diff --git a/.claude/agents/reviewer.md b/.claude/agents/reviewer.md
index b75a1c45..c8f890ef 100644
--- a/.claude/agents/reviewer.md
+++ b/.claude/agents/reviewer.md
@@ -43,7 +43,7 @@ hunks.
 Apply each focus area to the diff:
 
 1. **Conventions compliance** — does the code follow `docs/CONVENTIONS.md`? Check type colocation,
-   naming, comment discipline, error handling via `tryCatch`, env-var access via `Bun.env.*`,
+   naming, comment discipline, error handling via `tryCatch`, env-var access via `process.env.*`,
    function organization, and code complexity.
 2. **TypeScript correctness** — strict flags are on (`noImplicitReturns`,
    `noUncheckedIndexedAccess`). Flag `any`, unsafe casts, missing return types on exported
@@ -57,9 +57,10 @@ Apply each focus area to the diff:
    `suggestion` if a close match could be adapted. If the new code is general-purpose and not
    tied to a specific bot's domain, suggest hoisting it into the appropriate shared package
    (`@repo/utils` for pure utilities, `@repo/abis` for ABI-adjacent helpers).
-5. **Testing quality** — new behavior has a `{module}.test.ts` under the workspace's `test/` tree mirroring `src/`. Tests use `bun test`.
-   Tests are non-vacuous (they actually fail if the implementation breaks). No mocking of
-   on-chain behavior where a viem test client / anvil would give real evidence.
+5. **Testing quality** — new TypeScript behavior has a `{module}.test.ts` under the workspace's
+   `test/` tree mirroring `src/` and uses Vitest. The playground's JavaScript harness uses Node
+   `*.test.mjs` suites. Tests are non-vacuous (they actually fail if the implementation breaks). No
+   mocking of on-chain behavior where a viem test client / anvil would give real evidence.
 6. **Agent infrastructure** — if the diff touches `CLAUDE.md`, `.claude/`, `.mcp.json`, editor
    configs, or agent definitions, mirror the change across any documented counterpart
    (`AGENTS.md`, `.cursorrules`) and flag inconsistencies.
diff --git a/.claude/commands/babysit-pr.md b/.claude/commands/babysit-pr.md
index 82239eaa..9605dd27 100644
--- a/.claude/commands/babysit-pr.md
+++ b/.claude/commands/babysit-pr.md
@@ -440,7 +440,7 @@ After all comments are addressed, run validation on affected packages:
 ```bash
 pnpm --filter <affected-package> run typecheck
 pnpm lint
-bun test
+pnpm test
 pnpm format
 ```
 
diff --git a/.claude/commands/review.md b/.claude/commands/review.md
index 8761e668..17bc14ef 100644
--- a/.claude/commands/review.md
+++ b/.claude/commands/review.md
@@ -58,7 +58,7 @@ Review the provided PR thoroughly and interactively guide the user through each
      destructured object; omit inferable type annotations; helper-before-main ordering.
    - **Error Handling**: explicit handling, typed errors, structured logs with bot/operation/inputs
      context, `tryCatch` from `@repo/utils` for promise throws.
-   - **Environment Variables**: direct `Bun.env.VARIABLE_NAME` access; fail loudly at startup if a
+   - **Environment Variables**: direct `process.env.VARIABLE_NAME` access; fail loudly at startup if a
      required var is missing; never commit secrets.
    - **Performance Considerations**: batch on-chain reads (`readDeploylessBatchLens` for Lens-shaped
      data, `multicall` for heterogeneous reads); use explicit block tags for deterministic
@@ -116,7 +116,7 @@ Review the provided PR thoroughly and interactively guide the user through each
 5. **Use Context7 MCP**: When reviewing implementation details, use the Context7 MCP tools to verify
    against official documentation for:
    - viem (contract interactions, encoding, decoding, transports)
-   - pnpm (workspaces, catalog, lockfile semantics) and bun (test runner, runtime)
+   - pnpm (workspaces, catalog, lockfile semantics), vitest, esbuild bundles on Node
 
 6. **TIB Consideration**: Check if the PR introduces changes that warrant a Technical Intent Brief
    (TIB) (see `docs/GUIDANCE.md`). Flag as "Minor" severity if the PR:
@@ -194,7 +194,7 @@ Review the provided PR thoroughly and interactively guide the user through each
      `--sandbox danger-full-access`, `git push --force`)? Flag any escalation of tool access or
      sandbox permissions.
    - **Evaluation completeness**: For review-type commands or checklists, are there gaps in
-     coverage given the codebase's stack (viem, multi-chain, pnpm, bun, oxlint)?
+     coverage given the codebase's stack (viem, multi-chain, pnpm, vitest, esbuild, Node, oxlint)?
    - **Cross-reference accuracy**: If the file references other files (TIBs, CONVENTIONS.md
      sections, other commands), verify those references are valid and up to date.
 
diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index a94c9966..865908de 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -1,5 +1,5 @@
 name: 'Setup'
-description: 'Sets up the repository (pnpm + Node + Bun) and builds dist-emitting workspace packages'
+description: 'Sets up the repository (pnpm + Node) and builds dist-emitting workspace packages'
 inputs:
   install:
     description: 'Whether to install dependencies'
@@ -34,12 +34,6 @@ runs:
       with:
         node-version-file: .nvmrc
 
-    # bun remains the runtime and the test runner; pnpm only manages dependencies and tasks.
-    - name: Set up Bun
-      uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
-      with:
-        bun-version: 1.3.12
-
     - name: Install dependencies
       if: ${{ inputs.install == 'true' }}
       shell: bash
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 7434207e..80444f50 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -52,14 +52,14 @@ jobs:
         run: forge test --root packages/contracts -vv
 
       - name: Run unit tests
-        run: bun test
+        run: pnpm test
         env:
           # Base (chain 8453) archive RPC for the midnight-liquidation fork suite, which forks at a
           # pinned block and fails loud if this is unset. See test/fork/harness.ts.
           RPC_URL_8453: ${{ secrets.RPC_URL_8453 }}
 
       - name: Run browser smoke tests
-        run: bun test:browser
+        run: pnpm --filter @morpho-org/market-making-bot run playground:smoke:test
 
   Dead-Code:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/deploy-market-making-playground.yml b/.github/workflows/deploy-market-making-playground.yml
index b552966e..a900517e 100644
--- a/.github/workflows/deploy-market-making-playground.yml
+++ b/.github/workflows/deploy-market-making-playground.yml
@@ -13,9 +13,11 @@ on:
       - packages/utils/**
       - packages/typescript-config/**
       - package.json
-      - bun.lock
-      - bunfig.toml
+      - pnpm-lock.yaml
+      - pnpm-workspace.yaml
       - .npmrc
+      - .nvmrc
+      - .github/actions/setup/action.yml
       - .github/workflows/deploy-market-making-playground.yml
   workflow_dispatch:
 
@@ -39,19 +41,16 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Set up Bun
-        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
+      - name: Setup
+        uses: ./.github/actions/setup
         with:
-          bun-version: 1.3.12
-
-      - name: Install dependencies
-        run: bun install --frozen-lockfile
+          build-contracts: 'false'
 
       - name: Test playground at the GitHub Pages subpath
-        run: PLAYGROUND_SMOKE_BASE_PATH=/morpho-bots/ bun run --filter @morpho-org/market-making-bot playground:smoke:test
+        run: PLAYGROUND_SMOKE_BASE_PATH=/morpho-bots/ pnpm --filter @morpho-org/market-making-bot run playground:smoke:test
 
       - name: Build playground
-        run: bun run --filter @morpho-org/market-making-bot playground:build
+        run: pnpm --filter @morpho-org/market-making-bot run playground:build
 
       - name: Upload GitHub Pages artifact
         uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
diff --git a/.github/workflows/deploy-market-making-production.yml b/.github/workflows/deploy-market-making-production.yml
index 2224891e..61fe4438 100644
--- a/.github/workflows/deploy-market-making-production.yml
+++ b/.github/workflows/deploy-market-making-production.yml
@@ -42,4 +42,4 @@ jobs:
           RAILWAY_ENVIRONMENT: production
           RAILWAY_PROJECT_ID: ${{ vars.RAILWAY_PROJECT_ID }}
           RAILWAY_TOKEN: ${{ secrets.RAILWAY_TOKEN }}
-        run: bun run --filter @morpho-org/market-making-bot deploy:railway
+        run: pnpm --filter @morpho-org/market-making-bot run deploy:railway
diff --git a/.gitignore b/.gitignore
index 76200c10..fa326487 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 
 # Dependencies
 node_modules
+.pnpm-store
 
 # Local env files
 .env
diff --git a/CLAUDE.md b/CLAUDE.md
index baea86c0..3826ff22 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -88,7 +88,7 @@ commit/push):
 2. **Lint**: Run `pnpm lint` from the repo root — zero warnings policy. Lint is a workspace-level
    concern; oxlint walks the whole tree and per-package `lint` scripts are deliberately omitted.
 3. **Format**: Run `pnpm format` — auto-fixes formatting in place.
-4. **Existing tests**: Run `bun test` — all must pass.
+4. **Existing tests**: Run `pnpm test` — all must pass.
 
 **Escalation rule**: After 3 failed fix attempts for the same issue, STOP. Tell the user what you
 tried, what failed, and ask for guidance. Bad work is worse than no work — do not keep iterating
@@ -118,7 +118,7 @@ addressing PR feedback, etc.).
 - During multi-step work, if you're iterating on earlier changes (bug fixes, feedback), existing
   verification tests catch if the fix broke earlier changes.
 - Follow existing test conventions: place tests under `test/` mirroring `src/` as
-  `{module}.test.ts`, use `bun test`, follow patterns from the nearest existing test file.
+  `{module}.test.ts`, use `vitest`, follow patterns from the nearest existing test file.
 - If a test file already exists for the module, add to it rather than creating a new one.
 
 **When NOT to write tests:**
@@ -186,8 +186,9 @@ which supersedes the now-historical
 [TIB-2026-07-13-bot-architecture](./docs/decisions/TIB-2026-07-13-bot-architecture.md).
 
 **Key technologies**: pnpm 11.1.1 (package manager + workspace resolution + version catalog + task
-runner; lifecycle scripts are default-denied via `allowBuilds` in `pnpm-workspace.yaml`), bun 1.3.12
-(runtime + test runner), Node.js 24.14.1, TypeScript 6.0, viem for Web3, oxlint + oxfmt for
+runner; lifecycle scripts are default-denied via `allowBuilds` in `pnpm-workspace.yaml`), Node.js
+24.14.1 (the only runtime — bots ship as esbuild bundles and run `node dist/src/index.js`), vitest as
+the test runner, tsx for TypeScript scripts, TypeScript 6.0, viem for Web3, oxlint + oxfmt for
 lint/format, knip for dead-code detection.
 
 **Node.js requirement**: `24.14.1` (see `.nvmrc`).
diff --git a/README.md b/README.md
index b9d03420..2af687bc 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ pnpm run lint        # oxlint, repo-wide
 pnpm run lint:fix    # oxlint with --fix
 pnpm format          # oxfmt, repo-wide
 pnpm run knip        # dead-code detection
-bun test             # bun's built-in test runner
+pnpm test            # vitest projects plus Node playground suites
 ```
 
 ## Pointers
diff --git a/bots/blue-liquidation/Dockerfile b/bots/blue-liquidation/Dockerfile
index 6d969723..c496f9de 100644
--- a/bots/blue-liquidation/Dockerfile
+++ b/bots/blue-liquidation/Dockerfile
@@ -1,15 +1,9 @@
 # syntax=docker/dockerfile:1
-# pnpm-workspace image for the blue-liquidation bot. The build context MUST be the repo root so the
-# workspace packages (packages/*) resolve — docker-compose.yml sets `context: ../..` and the Railway
-# deploy runs `railway up` from the repo root. Borrower discovery polls the Morpho GraphQL API, so
-# there is no indexer/database sidecar to build.
-#
-# pnpm owns installs, but bun is still the runtime, so this image carries both. The base is Node
-# because pnpm is activated through corepack, which the oven/bun images do not provide; bun comes in
-# as a single copied binary. Both pnpm and bun must stay on PATH in the FINAL image: `start` fires
-# `prestart`, which shells out to `pnpm -r run build` to compile @repo/contracts' gitignored dist/.
+# Image for the blue-liquidation bot. The build context MUST be the repo root so the workspace packages
+# (packages/*) resolve — docker-compose.yml sets `context: ../..` and the Railway deploy runs
+# `railway up` from the repo root. Borrower discovery polls the Morpho GraphQL API, so there is no
+# indexer/database sidecar to build. Node only: pnpm installs, esbuild bundles, node runs.
 FROM node:24.14.1-slim
-COPY --from=oven/bun:1.3.12-slim /usr/local/bin/bun /usr/local/bin/bun
 ENV COREPACK_ENABLE_DOWNLOAD_PROMPT=0
 
 # The container's environment holds a funded liquidator EOA key, so nothing here may run as root —
@@ -22,8 +16,8 @@ WORKDIR /repo
 USER node
 
 # Manifests first, so the install layer is cached. `corepack install` pre-fetches the pnpm version
-# pinned in package.json#packageManager, so no download happens at container start.
-COPY --chown=node:node package.json pnpm-workspace.yaml pnpm-lock.yaml bunfig.toml ./
+# pinned in package.json#packageManager.
+COPY --chown=node:node package.json pnpm-workspace.yaml pnpm-lock.yaml ./
 RUN corepack install
 
 # All members' package.json are needed for pnpm to resolve the `workspace:*` links.
@@ -31,7 +25,9 @@ COPY --chown=node:node packages ./packages
 COPY --chown=node:node bots ./bots
 RUN pnpm install --frozen-lockfile
 
-# Run the bot from its package dir (`start` builds workspaces via `prestart`, then runs src/index.ts;
-# the bot's own bunfig.toml preload compiles its soltag `sol``` lens templates at startup).
+# Bundle at image-build time: workspace dists plus this bot's esbuild bundle (soltag `sol``` templates
+# compiled in where present), so the container starts a plain `node` with no runtime transform.
+RUN pnpm -r --if-present run build
+
 WORKDIR /repo/bots/blue-liquidation
-CMD ["bun", "run", "start"]
+CMD ["node", "dist/src/index.js"]
diff --git a/bots/blue-liquidation/README.md b/bots/blue-liquidation/README.md
index 9a0e788e..e9739cdc 100644
--- a/bots/blue-liquidation/README.md
+++ b/bots/blue-liquidation/README.md
@@ -19,7 +19,7 @@ position (none exist while the market is healthy), `RPC_URL_8453`, and
 
 ## Prerequisites
 
-- **pnpm** `11.1.1` (via corepack), **bun** `1.3.12`, **Node** `24.14.1` (`.nvmrc`).
+- **pnpm** `11.1.1` (via corepack) and **Node** `24.14.1` (`.nvmrc`).
 - A chain RPC that both reads and _relays_ transactions — **not** `rpc.morpho.dev/realtime`, which
   acknowledges sends but never broadcasts them.
 - A **funded EOA** (native gas) — the liquidator and the recipient of the end-of-exec token sweeps.
@@ -89,8 +89,9 @@ export ZEROX_API_KEY=…            # or ENABLE_LIFI=true, or ALLOW_DETECTION_ON
 pnpm --filter @morpho-org/blue-liquidation run start
 ```
 
-`prestart` builds the workspace packages (soltag-compiles `@repo/contracts` and materializes the ABI).
-Discovery hits the public Morpho GraphQL API — no indexer or database to run.
+`prestart` builds this bot and its workspace dependencies (soltag-compiles `@repo/contracts` and
+materializes the ABI, then esbuild-bundles `dist/`), so `start` runs a plain `node` against a
+freshly built bundle. Discovery hits the public Morpho GraphQL API — no indexer or database to run.
 
 ## Running With Docker Compose
 
@@ -255,7 +256,7 @@ the nonce from `getTransactionCount('pending')`.
 
 ## Testing
 
-- `bun test` — unit tests for the math, LIF, seize-exact planner (incl. the underflow-safety sweep),
+- `pnpm test` — unit tests for the math, LIF, seize-exact planner (incl. the underflow-safety sweep),
   the id derivation, GraphQL discovery (parsing, pagination, retry semantics), config (incl. venue
   inference and the zero-venue gate), eligibility, quoting, venues, the queue, and the exec encoder.
 - **Live read-path probe** — `pnpm --filter @morpho-org/blue-liquidation run probe:lens` (needs
diff --git a/bots/blue-liquidation/bunfig.toml b/bots/blue-liquidation/bunfig.toml
deleted file mode 100644
index 2a03c377..00000000
--- a/bots/blue-liquidation/bunfig.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-# Compile soltag `sol``` lens templates at runtime (`bun run start` in the Docker image) and for
-# `bun test` when run from this directory. See soltag.preload.ts for why the plugin is hand-rolled.
-preload = ["./soltag.preload.ts"]
-
-[test]
-preload = ["./soltag.preload.ts"]
diff --git a/bots/blue-liquidation/package.json b/bots/blue-liquidation/package.json
index a13fe1b1..b76fda2b 100644
--- a/bots/blue-liquidation/package.json
+++ b/bots/blue-liquidation/package.json
@@ -5,10 +5,11 @@
   "license": "Apache-2.0",
   "type": "module",
   "scripts": {
-    "deploy:railway": "bun run scripts/deploy-railway.ts",
-    "probe:lens": "bun run scripts/probe-live-lens.ts",
-    "prestart": "pnpm -r --parallel --if-present run build",
-    "start": "bun src/index.ts",
+    "build": "tsx scripts/build.ts",
+    "deploy:railway": "tsx scripts/deploy-railway.ts",
+    "prestart": "pnpm --filter \"{.}...\" --if-present run build",
+    "probe:lens": "pnpm --filter \"{.}...\" --if-present run build && node --env-file-if-exists=.env dist/scripts/probe-live-lens.js",
+    "start": "node --env-file-if-exists=.env dist/src/index.js",
     "typecheck": "soltag && tsc --noEmit"
   },
   "dependencies": {
@@ -23,7 +24,12 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "esbuild": "catalog:",
+    "execa": "catalog:",
+    "tsx": "catalog:",
+    "typescript": "catalog:",
+    "vite": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/bots/blue-liquidation/scripts/build.ts b/bots/blue-liquidation/scripts/build.ts
new file mode 100644
index 00000000..d78794d2
--- /dev/null
+++ b/bots/blue-liquidation/scripts/build.ts
@@ -0,0 +1,55 @@
+import type { Plugin } from 'esbuild'
+
+import { build as esbuild } from 'esbuild'
+import { rmSync } from 'node:fs'
+import { readFile } from 'node:fs/promises'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { transformSolTemplates } from 'soltag/unplugin'
+
+import { BundleFailedError } from './bundle-failed.error'
+
+// Bundles the bot entrypoint (and the soltag-dependent operator script) to `dist/` with the
+// `sol``` templates compiled to literal ABIs/bytecode, so production runs a plain `node` with no
+// runtime transform. This replaces the bunfig `preload` that used to compile them at startup.
+
+const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..')
+const DIST_DIR = join(ROOT, 'dist')
+rmSync(DIST_DIR, { recursive: true, force: true })
+
+const ESCAPED = ROOT.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
+// This bot's own TS sources only — bundled workspace deps ship prebuilt dist and hold no templates.
+const INCLUDE = new RegExp(`^${ESCAPED}/(?:src|scripts)/.*\\.tsx?$`)
+
+const soltagPlugin: Plugin = {
+  name: 'soltag',
+  setup(build) {
+    build.onLoad({ filter: INCLUDE }, async ({ path }) => {
+      const source = await readFile(path, 'utf8')
+      // Enable the optimizer — the lens's per-element computation has enough locals to hit
+      // "stack too deep" without it.
+      const transformed = transformSolTemplates(source, path, {
+        solc: { optimizer: { enabled: true, runs: 200 } }
+      })
+      return { contents: transformed?.code ?? source, loader: 'ts' as const }
+    })
+  }
+}
+
+try {
+  await esbuild({
+    entryPoints: [join(ROOT, 'src/index.ts'), join(ROOT, 'scripts/probe-live-lens.ts')],
+    outdir: DIST_DIR,
+    outbase: ROOT,
+    bundle: true,
+    platform: 'node',
+    format: 'esm',
+    // CJS deps reaching for require() inside an ESM bundle need a real require.
+    banner: {
+      js: "import { createRequire as __createRequire } from 'node:module'; const require = __createRequire(import.meta.url);"
+    },
+    plugins: [soltagPlugin]
+  })
+} catch (error) {
+  throw new BundleFailedError(error instanceof Error ? error.message : String(error))
+}
diff --git a/bots/blue-liquidation/scripts/bundle-failed.error.ts b/bots/blue-liquidation/scripts/bundle-failed.error.ts
new file mode 100644
index 00000000..85b07b64
--- /dev/null
+++ b/bots/blue-liquidation/scripts/bundle-failed.error.ts
@@ -0,0 +1,11 @@
+/** Signals that the production bundle could not be produced. */
+export class BundleFailedError extends Error {
+  /**
+   * Creates a tooling failure from the bundler's own message, without retaining source contents.
+   * @param detail - Bundler-reported reason for the failure.
+   */
+  constructor(readonly detail: string) {
+    super(`Bundle failed: ${detail}`)
+    this.name = 'BundleFailedError'
+  }
+}
diff --git a/bots/blue-liquidation/scripts/deploy-railway.ts b/bots/blue-liquidation/scripts/deploy-railway.ts
index ea488e64..028f1e4e 100644
--- a/bots/blue-liquidation/scripts/deploy-railway.ts
+++ b/bots/blue-liquidation/scripts/deploy-railway.ts
@@ -21,7 +21,7 @@
  *   RAILWAY_PROJECT_ID=… RPC_URL_8453=… RPC_URL_4663=… LIQUIDATOR_PRIVATE_KEY=0x… \
  *     ALLOW_DETECTION_ONLY_4663=true pnpm --filter @morpho-org/blue-liquidation run deploy:railway
  *
- * The build context MUST be the repo root so the bun workspace (packages/*) resolves — the script
+ * The build context MUST be the repo root so the pnpm workspace (packages/*) resolves — the script
  * runs `railway up` with cwd set to the repo root (mirrors the Dockerfile header + compose context).
  *
  * Idempotent: existing services / variables are reused; each run redeploys every bot. The venue
@@ -36,16 +36,17 @@
  * the variable key, never its value; variable values are never logged.
  */
 import { delay, tryCatch } from '@repo/utils'
-import { $ } from 'bun'
-import { resolve } from 'node:path'
+import { $ } from 'execa'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
 
 // The target project is env-driven so no project identifier is baked into this (open-source) file.
 // RAILWAY_PROJECT_ID is required; RAILWAY_ENVIRONMENT defaults to the conventional `production`.
-const PROJECT_ID = required(Bun.env, 'RAILWAY_PROJECT_ID')
-const ENVIRONMENT = Bun.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
+const PROJECT_ID = required(process.env, 'RAILWAY_PROJECT_ID')
+const ENVIRONMENT = process.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
 const DOCKERFILE_PATH = 'bots/blue-liquidation/Dockerfile'
 // Repo root is three levels up from this file (scripts → blue-liquidation → bots → repo root).
-const REPO_ROOT = resolve(import.meta.dir, '..', '..', '..')
+const REPO_ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..', '..', '..')
 
 type Env = Record<string, string | undefined>
 type RailwayService = { id: string; name: string }
@@ -75,8 +76,8 @@ function str(value: unknown): string {
 }
 
 // Surface a failed `railway` command's stderr so failures are actionable (the CLI writes the real
-// reason — plan limits, auth, selection prompts — to stderr). Bun's ShellError carries `.stderr` as
-// bytes; fall back to the generic message. Safe for non-secret commands; never used on setSecret.
+// reason — plan limits, auth, selection prompts — to stderr). execa's error carries `.stderr` as a
+// string; fall back to the generic message. Safe for non-secret commands; never used on setSecret.
 function stderrOf(error: unknown): string {
   if (isRecord(error) && 'stderr' in error) {
     const s = (error as { stderr: unknown }).stderr
@@ -120,7 +121,7 @@ function parseLatestStatus(raw: string): string {
 }
 
 async function assertCli(): Promise<void> {
-  const { error } = await tryCatch(Promise.resolve($`railway --version`.quiet()))
+  const { error } = await tryCatch($`railway --version`)
   if (error)
     throw new Error('Railway CLI not found. Install it: https://docs.railway.com/guides/cli')
 }
@@ -128,13 +129,11 @@ async function assertCli(): Promise<void> {
 // `railway add` has no --project/--environment flag, so it acts on the linked context. A project
 // token scopes every command implicitly; otherwise we link the project id once for this run.
 async function ensureContext(): Promise<void> {
-  if (Bun.env.RAILWAY_TOKEN) {
+  if (process.env.RAILWAY_TOKEN) {
     console.log('Using RAILWAY_TOKEN for project context.')
     return
   }
-  const { error } = await tryCatch(
-    Promise.resolve($`railway link -p ${PROJECT_ID} -e ${ENVIRONMENT}`.quiet())
-  )
+  const { error } = await tryCatch($`railway link -p ${PROJECT_ID} -e ${ENVIRONMENT}`)
   if (error) {
     throw new Error(
       `Failed to link ${PROJECT_ID} (${ENVIRONMENT}). Set RAILWAY_TOKEN or run \`railway login\`.`
@@ -144,9 +143,7 @@ async function ensureContext(): Promise<void> {
 }
 
 async function listServices(): Promise<RailwayService[]> {
-  const { data, error } = await tryCatch(
-    Promise.resolve($`railway service list --json`.quiet().text())
-  )
+  const { data, error } = await tryCatch($`railway service list --json`.then(r => r.stdout))
   return error || typeof data !== 'string' ? [] : parseServices(data)
 }
 
@@ -156,7 +153,7 @@ async function ensureService(name: string): Promise<void> {
     return
   }
   console.log(`Creating service ${name}…`)
-  const { error } = await tryCatch(Promise.resolve($`railway add --service ${name} --json`.quiet()))
+  const { error } = await tryCatch($`railway add --service ${name} --json`)
   if (error) throw new Error(`Failed to create service ${name}: ${stderrOf(error)}`)
 }
 
@@ -167,9 +164,7 @@ async function removeService(name: string): Promise<void> {
   if (!(await listServices()).some(service => service.name === name)) return
   console.log(`Removing legacy service ${name}…`)
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway service delete --service ${name} --environment ${ENVIRONMENT} --yes --json`.quiet()
-    )
+    $`railway service delete --service ${name} --environment ${ENVIRONMENT} --yes --json`
   )
   if (error)
     console.warn(
@@ -182,9 +177,7 @@ async function removeService(name: string): Promise<void> {
 // Non-secret variable. `kv` is a single "KEY=VALUE" arg; only the key is logged.
 async function setVar(service: string, kv: string): Promise<void> {
   const key = kv.split('=')[0]
-  const { error } = await tryCatch(
-    Promise.resolve($`railway variable set ${kv} -s ${service} --skip-deploys`.quiet())
-  )
+  const { error } = await tryCatch($`railway variable set ${kv} -s ${service} --skip-deploys`)
   if (error) throw new Error(`Failed to set ${key} on ${service}: ${stderrOf(error)}`)
   console.log(`Set ${key} on ${service}.`)
 }
@@ -193,10 +186,8 @@ async function setVar(service: string, kv: string): Promise<void> {
 // CLI's JSON includes raw values, so it is parsed in-memory and only key NAMES ever leave here.
 async function listVarKeys(service: string): Promise<Set<string>> {
   const { data, error } = await tryCatch(
-    Promise.resolve(
-      $`railway variable list -s ${service} -e ${ENVIRONMENT} -p ${PROJECT_ID} --json`
-        .quiet()
-        .text()
+    $`railway variable list -s ${service} -e ${ENVIRONMENT} -p ${PROJECT_ID} --json`.then(
+      r => r.stdout
     )
   )
   if (error || typeof data !== 'string') return new Set()
@@ -207,9 +198,7 @@ async function listVarKeys(service: string): Promise<Set<string>> {
 // Delete a variable (used to clear a stale venue secret). Fatal on failure: a stale key that
 // survives the delete silently keeps its venue enabled, which is exactly the drift this prevents.
 async function deleteVar(service: string, key: string): Promise<void> {
-  const { error } = await tryCatch(
-    Promise.resolve($`railway variable delete ${key} -s ${service} --skip-deploys`.quiet())
-  )
+  const { error } = await tryCatch($`railway variable delete ${key} -s ${service} --skip-deploys`)
   if (error) throw new Error(`Failed to delete ${key} on ${service}: ${stderrOf(error)}`)
   console.log(`Deleted ${key} on ${service} (stale).`)
 }
@@ -217,9 +206,7 @@ async function deleteVar(service: string, key: string): Promise<void> {
 // Secret variable: value piped via stdin (never argv), `--json` omitted (it echoes raw values).
 async function setSecret(service: string, key: string, value: string): Promise<void> {
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway variable set ${key} --stdin -s ${service} --skip-deploys < ${Buffer.from(value, 'utf8')}`.quiet()
-    )
+    $({ input: value })`railway variable set ${key} --stdin -s ${service} --skip-deploys`
   )
   if (error) throw new Error(`Failed to set ${key} on ${service}`)
   console.log(`Set ${key} on ${service} (secret).`)
@@ -230,9 +217,7 @@ async function deployService(service: string): Promise<void> {
   // Pass -p/-e explicitly: `railway link` doesn't reliably carry the environment into this non-TTY
   // subprocess, so `railway up` otherwise errors "No environment specified". Self-contained > ambient.
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway up -s ${service} -e ${ENVIRONMENT} -p ${PROJECT_ID} -d`.cwd(REPO_ROOT).quiet()
-    )
+    $({ cwd: REPO_ROOT })`railway up -s ${service} -e ${ENVIRONMENT} -p ${PROJECT_ID} -d`
   )
   if (error) throw new Error(`Failed to start deploy for ${service}: ${stderrOf(error)}`)
 }
@@ -253,7 +238,7 @@ async function latestStatus(service: string): Promise<string> {
     '1',
     '--json'
   ]
-  const { data, error } = await tryCatch(Promise.resolve($`${args}`.quiet().text()))
+  const { data, error } = await tryCatch($(args[0] ?? 'railway', args.slice(1)).then(r => r.stdout))
   return error || typeof data !== 'string' ? 'UNKNOWN' : parseLatestStatus(data)
 }
 
@@ -295,7 +280,7 @@ const LEGACY_BOT_SERVICE = 'bot'
 // GitHub Environment holds only RAILWAY_TOKEN + RAILWAY_PROJECT_ID, and the services/secrets were
 // provisioned once by a full (secret-bearing) run of this script. Skips the RPC/key requirements the
 // full path enforces, so it never needs those secrets in CI. Runs before `chainSecrets` is read.
-if (/^(1|true)$/i.test(Bun.env.DEPLOY_ONLY?.trim() ?? '')) {
+if (/^(1|true)$/i.test(process.env.DEPLOY_ONLY?.trim() ?? '')) {
   await ensureContext()
   const services = CHAINS.map(chain => chain.service)
   for (const service of services) await deployService(service)
@@ -310,7 +295,7 @@ if (/^(1|true)$/i.test(Bun.env.DEPLOY_ONLY?.trim() ?? '')) {
 // Read a chainId-suffixed env var (e.g. RPC_URL_8453). RPC endpoints differ per chain so these are
 // effectively required per chain; the private key may instead fall back to a shared unsuffixed key.
 function suffixed(name: string, chainId: number): string | undefined {
-  return Bun.env[`${name}_${chainId}`]?.trim() || undefined
+  return process.env[`${name}_${chainId}`]?.trim() || undefined
 }
 function requiredSuffixed(name: string, chainId: number): string {
   const value = suffixed(name, chainId)
@@ -319,7 +304,7 @@ function requiredSuffixed(name: string, chainId: number): string {
 }
 // A chainId-suffixed boolean flag with an unsuffixed fallback (e.g. ALLOW_DETECTION_ONLY_4663).
 function suffixedFlag(name: string, chainId: number): boolean {
-  const raw = suffixed(name, chainId) ?? Bun.env[name]?.trim()
+  const raw = suffixed(name, chainId) ?? process.env[name]?.trim()
   return /^(1|true)$/i.test(raw ?? '')
 }
 
@@ -331,17 +316,17 @@ const chainSecrets = CHAINS.map(chain => {
   const rpcUrl = requiredSuffixed('RPC_URL', chain.chainId)
   // A single funded key may be reused across chains (unsuffixed fallback), or set one per chain.
   const liquidatorPrivateKey =
-    suffixed('LIQUIDATOR_PRIVATE_KEY', chain.chainId) ?? Bun.env.LIQUIDATOR_PRIVATE_KEY?.trim()
+    suffixed('LIQUIDATOR_PRIVATE_KEY', chain.chainId) ?? process.env.LIQUIDATOR_PRIVATE_KEY?.trim()
   if (!liquidatorPrivateKey)
     throw new Error(
       `Missing required env var: LIQUIDATOR_PRIVATE_KEY_${chain.chainId} (or a shared LIQUIDATOR_PRIVATE_KEY)`
     )
   assertPrivateKey(liquidatorPrivateKey)
   // Venue keys enable their venue on this chain (no per-collateral routing file anymore).
-  const zeroxApiKey = suffixed('ZEROX_API_KEY', chain.chainId) ?? Bun.env.ZEROX_API_KEY?.trim()
+  const zeroxApiKey = suffixed('ZEROX_API_KEY', chain.chainId) ?? process.env.ZEROX_API_KEY?.trim()
   const oneInchApiKey =
-    suffixed('ONEINCH_API_KEY', chain.chainId) ?? Bun.env.ONEINCH_API_KEY?.trim()
-  const lifiApiKey = suffixed('LIFI_API_KEY', chain.chainId) ?? Bun.env.LIFI_API_KEY?.trim()
+    suffixed('ONEINCH_API_KEY', chain.chainId) ?? process.env.ONEINCH_API_KEY?.trim()
+  const lifiApiKey = suffixed('LIFI_API_KEY', chain.chainId) ?? process.env.LIFI_API_KEY?.trim()
   const enableLifi = suffixedFlag('ENABLE_LIFI', chain.chainId) || Boolean(lifiApiKey)
   const allowDetectionOnly = suffixedFlag('ALLOW_DETECTION_ONLY', chain.chainId)
   const hasVenue = Boolean(zeroxApiKey || oneInchApiKey || enableLifi)
@@ -371,8 +356,8 @@ await ensureContext()
 // Optional BetterStack log shipping, one source for blue-liq shared across its chains (told apart by
 // the bot/chainId fields the logger stamps). Host is a plain var; token is a secret. Off when unset —
 // the bot's in-process loglayer transport stays inert, so the container behaves exactly as before.
-const betterstackHost = Bun.env.BETTERSTACK_INGESTING_HOST?.trim()
-const betterstackToken = Bun.env.BETTERSTACK_SOURCE_TOKEN?.trim()
+const betterstackHost = process.env.BETTERSTACK_INGESTING_HOST?.trim()
+const betterstackToken = process.env.BETTERSTACK_SOURCE_TOKEN?.trim()
 
 // --- bot-<chainId>: one liquidation runner per chain. The in-container var names stay RPC_URL /
 // LIQUIDATOR_PRIVATE_KEY (the chainId suffix is only an operator-side convention). The whole venue
diff --git a/bots/blue-liquidation/scripts/probe-live-lens.ts b/bots/blue-liquidation/scripts/probe-live-lens.ts
index aecc8142..dbfb8ceb 100644
--- a/bots/blue-liquidation/scripts/probe-live-lens.ts
+++ b/bots/blue-liquidation/scripts/probe-live-lens.ts
@@ -9,7 +9,7 @@
  *      `ForkFixture` you can paste into `test/fork/liquidation.test.ts` to run the end-to-end suite.
  *
  * Usage (needs a Base RPC; no anvil required):
- *   RPC_URL=https://… bun run bots/blue-liquidation/scripts/probe-live-lens.ts
+ *   RPC_URL=https://… pnpm --filter @morpho-org/blue-liquidation run probe:lens
  */
 import type { Address, Hex } from 'viem'
 
@@ -34,7 +34,7 @@ const LOGS_MAX_CHUNKS = 12
 const TARGET_PAIRS = 256
 
 function required(name: string): string {
-  const value = Bun.env[name]
+  const value = process.env[name]
   if (!value?.trim()) throw new Error(`Missing required env var: ${name}`)
   return value.trim()
 }
diff --git a/bots/blue-liquidation/soltag.preload.ts b/bots/blue-liquidation/soltag.preload.ts
deleted file mode 100644
index cd982b58..00000000
--- a/bots/blue-liquidation/soltag.preload.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import { transformSolTemplates } from 'soltag/unplugin'
-
-// soltag is a build-time-only transform: its `sol``` tagged templates throw at runtime unless a
-// bundler/loader plugin compiles them (via solc). unplugin's own bun adapter (`unplugin.bun()`) is
-// unusable under bun — it returns `undefined` from `onLoad` for files it doesn't transform, which
-// bun rejects ("Expected module mock to return an object"). So we drive soltag's exported core
-// transform from a bun loader plugin: it matches every TS source under this bot (where soltag is a
-// dependency — other workspaces don't use it), and returns files unchanged when they hold no
-// template to compile. Wired via bunfig `preload` for both `bun test` and `bun run`.
-
-const BOT_DIR = import.meta.dir
-const ESCAPED = BOT_DIR.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-// Matches `<bot>/**/*.{ts,tsx,mts,cts}`, excluding any nested node_modules.
-const INCLUDE = new RegExp(`^${ESCAPED}/(?:(?!/node_modules/).)*\\.(?:m|c)?tsx?$`)
-
-Bun.plugin({
-  name: 'soltag',
-  setup(build) {
-    build.onLoad({ filter: INCLUDE }, async ({ path }) => {
-      const source = await Bun.file(path).text()
-      const loader = path.endsWith('.tsx') ? 'tsx' : 'ts'
-      // Enable the optimizer — the lens's per-element computation has enough locals to hit
-      // "stack too deep" without it.
-      const transformed = transformSolTemplates(source, path, {
-        solc: { optimizer: { enabled: true, runs: 200 } }
-      })
-      return { contents: transformed?.code ?? source, loader }
-    })
-  }
-})
diff --git a/bots/blue-liquidation/src/config.ts b/bots/blue-liquidation/src/config.ts
index d35b4239..3a93d6fa 100644
--- a/bots/blue-liquidation/src/config.ts
+++ b/bots/blue-liquidation/src/config.ts
@@ -282,7 +282,7 @@ function addressListEnv(env: Env, name: string): Address[] {
  * singleton hold code) are performed in `index.ts` once a public client exists.
  */
 export function loadConfig(
-  env: Env = Bun.env,
+  env: Env = process.env,
   deps: { chainMap?: Record<number, ChainConfig> } = {}
 ): Config {
   const chainMap = deps.chainMap ?? CHAIN_MAP
diff --git a/bots/blue-liquidation/src/index.ts b/bots/blue-liquidation/src/index.ts
index c4f98f24..422ece56 100644
--- a/bots/blue-liquidation/src/index.ts
+++ b/bots/blue-liquidation/src/index.ts
@@ -94,9 +94,9 @@ async function main() {
   // the no-key → detection-only opt-in). Keys are read HERE, at the point of use, and live only in
   // this closure — never on the (logged) Config object.
   const apiKeys: Partial<Record<Venue, string>> = {}
-  if (Bun.env.ZEROX_API_KEY) apiKeys['0x'] = Bun.env.ZEROX_API_KEY
-  if (Bun.env.ONEINCH_API_KEY) apiKeys['1inch'] = Bun.env.ONEINCH_API_KEY
-  if (Bun.env.LIFI_API_KEY) apiKeys.lifi = Bun.env.LIFI_API_KEY
+  if (process.env.ZEROX_API_KEY) apiKeys['0x'] = process.env.ZEROX_API_KEY
+  if (process.env.ONEINCH_API_KEY) apiKeys['1inch'] = process.env.ONEINCH_API_KEY
+  if (process.env.LIFI_API_KEY) apiKeys.lifi = process.env.LIFI_API_KEY
   const venues = config.venues.enabled
   if (venues.length === 0) {
     logger.warn('quoting.no_routes', {
@@ -250,7 +250,7 @@ async function main() {
     logger
   })
   const heartbeatMonitor = createHeartbeatMonitor({
-    url: Bun.env.BETTERSTACK_HEARTBEAT_URL,
+    url: process.env.BETTERSTACK_HEARTBEAT_URL,
     logger
   })
   void heartbeatMonitor.start()
diff --git a/bots/blue-liquidation/src/state/lens.sol.ts b/bots/blue-liquidation/src/state/lens.sol.ts
index 65759a5f..141ae6b2 100644
--- a/bots/blue-liquidation/src/state/lens.sol.ts
+++ b/bots/blue-liquidation/src/state/lens.sol.ts
@@ -24,8 +24,8 @@ import { marketId } from '../market'
 // re-derives the id from the supplied params on-chain, so mismatched params read an uncreated market
 // and return valid=false.
 //
-// Compiled to a deployless factory by the soltag bun preload (see ../../soltag.preload.ts); `sol```
-// throws if not active.
+// Compiled to a deployless factory by soltag's Vitest/esbuild integrations; `sol``` throws if the
+// transform is not active.
 export const BlueLiquidationLens = sol('BlueLiquidationLens')`
 // SPDX-License-Identifier: GPL-2.0-or-later
 pragma solidity ^0.8.19;
diff --git a/bots/blue-liquidation/test/config.test.ts b/bots/blue-liquidation/test/config.test.ts
index 65300a29..9b9a814b 100644
--- a/bots/blue-liquidation/test/config.test.ts
+++ b/bots/blue-liquidation/test/config.test.ts
@@ -1,6 +1,6 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
 import { base } from 'viem/chains'
+import { describe, expect, it } from 'vitest'
 
 import type { ChainConfig, Config, QuotingConfig } from '../src/config'
 
diff --git a/bots/blue-liquidation/test/discovery/borrowers.test.ts b/bots/blue-liquidation/test/discovery/borrowers.test.ts
index cd63696c..60380169 100644
--- a/bots/blue-liquidation/test/discovery/borrowers.test.ts
+++ b/bots/blue-liquidation/test/discovery/borrowers.test.ts
@@ -1,8 +1,8 @@
 import type { Logger } from '@repo/bot-kit'
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { FetchPositionPage } from '../../src/discovery/borrowers'
 import type { MarketParams } from '../../src/market'
diff --git a/bots/blue-liquidation/test/execution/encode-call.test.ts b/bots/blue-liquidation/test/execution/encode-call.test.ts
index 27397dc3..e3f5f5e5 100644
--- a/bots/blue-liquidation/test/execution/encode-call.test.ts
+++ b/bots/blue-liquidation/test/execution/encode-call.test.ts
@@ -1,8 +1,8 @@
 import type { SwapPlan, SwapStep } from '@repo/swaps'
 import type { Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { decodeAbiParameters, decodeFunctionData, getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { MarketParams } from '../../src/market'
 
diff --git a/bots/blue-liquidation/test/execution/swap-step.test.ts b/bots/blue-liquidation/test/execution/swap-step.test.ts
index 2d10e30f..72578565 100644
--- a/bots/blue-liquidation/test/execution/swap-step.test.ts
+++ b/bots/blue-liquidation/test/execution/swap-step.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import type { MarketParams } from '../../src/market'
 import type { LensOut } from '../../src/state/lens.sol'
diff --git a/bots/blue-liquidation/test/fork/harness.test.ts b/bots/blue-liquidation/test/fork/harness.test.ts
index c134d6f2..9a7a48e0 100644
--- a/bots/blue-liquidation/test/fork/harness.test.ts
+++ b/bots/blue-liquidation/test/fork/harness.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { loadForkFixtureFromEnv } from './harness'
 
diff --git a/bots/blue-liquidation/test/fork/harness.ts b/bots/blue-liquidation/test/fork/harness.ts
index 28a44a17..3f7eea8c 100644
--- a/bots/blue-liquidation/test/fork/harness.ts
+++ b/bots/blue-liquidation/test/fork/harness.ts
@@ -1,8 +1,10 @@
-import type { Subprocess } from 'bun'
+import type { ChildProcess } from 'node:child_process'
 import type { Address } from 'viem'
 
 import { Executor } from '@repo/contracts'
 import { ensureError } from '@repo/utils'
+import { spawn } from 'node:child_process'
+import { setTimeout as sleep } from 'node:timers/promises'
 import {
   createTestClient,
   createWalletClient,
@@ -119,7 +121,22 @@ const DEPLOYER_KEY = '0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b
 export const LIQUIDATOR = privateKeyToAccount(LIQUIDATOR_KEY).address
 
 export type TestClient = ReturnType<typeof testClient>
-export type ForkHandle = Subprocess
+export type ForkHandle = {
+  kill: (signal: NodeJS.Signals) => void
+  /** Resolves with the exit code once the child has actually gone (Node has no `.exited`). */
+  exited: Promise<number | null>
+}
+
+// Wraps a ChildProcess in the tiny surface the teardown needs. The `exited` promise is built here,
+// at spawn time, so its `exit` listener is attached before the child can possibly exit.
+const toForkHandle = (child: ChildProcess): ForkHandle => ({
+  kill: signal => {
+    child.kill(signal)
+  },
+  exited: new Promise(resolve => {
+    child.once('exit', code => resolve(code))
+  })
+})
 
 /** Polls the JSON-RPC endpoint until it answers `eth_blockNumber`, so callers see a ready node. */
 async function waitForRpc(url: string, timeoutMs = 30_000): Promise<void> {
@@ -139,15 +156,21 @@ async function waitForRpc(url: string, timeoutMs = 30_000): Promise<void> {
     } catch (error) {
       lastError = ensureError(error)
     }
-    await Bun.sleep(100)
+    await sleep(100)
   }
   const detail = lastError ? `: ${lastError.message}` : ''
   throw new Error(`anvil RPC at ${url} not ready within ${timeoutMs}ms${detail}`)
 }
 
+// Anvil port registry — vitest runs test FILES IN PARALLEL (bun's runner was serial, so fixed ports
+// used to be safe within a bot only). Every fork suite in the repo must claim a distinct port:
+//   8545 bots/blue-liquidation      fork/liquidation
+//   8546 bots/market-making         e2e/setup-check
+//   8547 bots/midnight-liquidation  fork/liquidation
+//   8548 bots/midnight-liquidation  fork/queue
 /**
  * Boots an anvil instance forking Base at `forkBlock` (chain id pinned to Base so signatures match).
- * `port` is explicit so multiple fork test files can run in one `bun test` process without colliding.
+ * `port` is explicit so parallel fork test files never collide — see the registry above.
  * Requires the `anvil` binary on PATH (Foundry locally; foundry-toolchain in CI) and `FORK_URL`.
  */
 export async function startFork(
@@ -155,19 +178,21 @@ export async function startFork(
   port = 8545
 ): Promise<{ anvil: ForkHandle; rpcUrl: string }> {
   if (!FORK_URL) throw new Error('RPC_URL_8453 is required to start the fork')
-  const anvil = Bun.spawn(
-    [
+  const anvil = toForkHandle(
+    spawn(
       'anvil',
-      '--fork-url',
-      FORK_URL,
-      '--fork-block-number',
-      String(forkBlock),
-      '--chain-id',
-      String(base.id),
-      '--port',
-      String(port)
-    ],
-    { stdout: 'ignore', stderr: 'ignore' }
+      [
+        '--fork-url',
+        FORK_URL,
+        '--fork-block-number',
+        String(forkBlock),
+        '--chain-id',
+        String(base.id),
+        '--port',
+        String(port)
+      ],
+      { stdio: 'ignore' }
+    )
   )
   const rpcUrl = `http://127.0.0.1:${port}`
   await waitForRpc(rpcUrl)
diff --git a/bots/blue-liquidation/test/fork/liquidation.test.ts b/bots/blue-liquidation/test/fork/liquidation.test.ts
index 7dfa3e81..da0e3adc 100644
--- a/bots/blue-liquidation/test/fork/liquidation.test.ts
+++ b/bots/blue-liquidation/test/fork/liquidation.test.ts
@@ -10,9 +10,9 @@ import {
 } from '@repo/bot-kit'
 import { quoteUniswapV3 } from '@repo/swaps'
 import { lensKey } from '@repo/utils'
-import { afterAll, beforeAll, describe, expect, it } from 'bun:test'
 import { erc20Abi, parseGwei } from 'viem'
 import { base } from 'viem/chains'
+import { afterAll, beforeAll, describe, expect, it } from 'vitest'
 
 import type { ForkFixture, ForkHandle, TestClient } from './harness'
 
diff --git a/bots/blue-liquidation/test/market.test.ts b/bots/blue-liquidation/test/market.test.ts
index 685bf4fb..d5fe860f 100644
--- a/bots/blue-liquidation/test/market.test.ts
+++ b/bots/blue-liquidation/test/market.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { encodeAbiParameters, keccak256 } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { MarketParams } from '../src/market'
 
diff --git a/bots/blue-liquidation/test/quotes.test.ts b/bots/blue-liquidation/test/quotes.test.ts
index 1d282f49..511fb497 100644
--- a/bots/blue-liquidation/test/quotes.test.ts
+++ b/bots/blue-liquidation/test/quotes.test.ts
@@ -1,8 +1,8 @@
 import type { Logger } from '@repo/bot-kit'
 import type { RateLimitedClient, VenuePair, VenueQuoteEstimate, VenueSelector } from '@repo/swaps'
 
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { MarketParams } from '../src/market'
 import type { LiquidationPlan } from '../src/sizing/plan'
diff --git a/bots/blue-liquidation/test/runner/eligibility.test.ts b/bots/blue-liquidation/test/runner/eligibility.test.ts
index b394ad2c..4d1dccd1 100644
--- a/bots/blue-liquidation/test/runner/eligibility.test.ts
+++ b/bots/blue-liquidation/test/runner/eligibility.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import type { MarketParams } from '../../src/market'
 import type { LensOut } from '../../src/state/lens.sol'
diff --git a/bots/blue-liquidation/test/runner/tick.test.ts b/bots/blue-liquidation/test/runner/tick.test.ts
index ae936ff8..b2f236e5 100644
--- a/bots/blue-liquidation/test/runner/tick.test.ts
+++ b/bots/blue-liquidation/test/runner/tick.test.ts
@@ -5,8 +5,8 @@ import type { Address } from 'viem'
 
 import { createBackoff, createCooldownStore } from '@repo/bot-kit'
 import { lensKey } from '@repo/utils'
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { BorrowerCandidate } from '../../src/discovery/borrowers'
 import type { MarketParams } from '../../src/market'
diff --git a/bots/blue-liquidation/test/sizing/lif.test.ts b/bots/blue-liquidation/test/sizing/lif.test.ts
index a652342e..c3488bba 100644
--- a/bots/blue-liquidation/test/sizing/lif.test.ts
+++ b/bots/blue-liquidation/test/sizing/lif.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { LIQUIDATION_CURSOR, MAX_LIQUIDATION_INCENTIVE_FACTOR, WAD } from '../../src/constants'
 import { lifFromLltv } from '../../src/sizing/lif'
diff --git a/bots/blue-liquidation/test/sizing/math.test.ts b/bots/blue-liquidation/test/sizing/math.test.ts
index 4c002889..fba9c652 100644
--- a/bots/blue-liquidation/test/sizing/math.test.ts
+++ b/bots/blue-liquidation/test/sizing/math.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { VIRTUAL_ASSETS, VIRTUAL_SHARES, WAD } from '../../src/constants'
 import {
diff --git a/bots/blue-liquidation/test/sizing/plan.test.ts b/bots/blue-liquidation/test/sizing/plan.test.ts
index a14b1669..50d797a4 100644
--- a/bots/blue-liquidation/test/sizing/plan.test.ts
+++ b/bots/blue-liquidation/test/sizing/plan.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import type { PlanInput } from '../../src/sizing/plan'
 
diff --git a/bots/blue-liquidation/test/state/lens.sol.test.ts b/bots/blue-liquidation/test/state/lens.sol.test.ts
index 8a23c595..32b8cc6f 100644
--- a/bots/blue-liquidation/test/state/lens.sol.test.ts
+++ b/bots/blue-liquidation/test/state/lens.sol.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { decodeFunctionResult, encodeFunctionResult, getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { BlueLiquidationLens } from '../../src/state/lens.sol'
 
@@ -7,7 +7,7 @@ const MORPHO = getAddress('0xBBBBBbbBBb9cC5e90e3b3Af64bdAF62C37EEFFCb')
 
 describe('BlueLiquidationLens', () => {
   it('compiles via soltag and binds the Morpho address into the factory call', () => {
-    // Proves the soltag bun preload compiled the inline Solidity (sol``` would otherwise throw)
+    // Proves the soltag/vite transform compiled the inline Solidity (sol``` would otherwise throw)
     // and that constructor binding produced a deployless factory call.
     const compiled = BlueLiquidationLens.with(MORPHO)
     expect(compiled.factoryData.length).toBeGreaterThan(2)
diff --git a/bots/blue-liquidation/test/state/market-params.test.ts b/bots/blue-liquidation/test/state/market-params.test.ts
index 3e45a00e..589b2f40 100644
--- a/bots/blue-liquidation/test/state/market-params.test.ts
+++ b/bots/blue-liquidation/test/state/market-params.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress, type Hex } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { MarketParams } from '../../src/market'
 import type { MarketParamsResolver } from '../../src/state/market-params'
diff --git a/bots/blue-liquidation/tsconfig.json b/bots/blue-liquidation/tsconfig.json
index 7ad64bb1..dccc6c59 100644
--- a/bots/blue-liquidation/tsconfig.json
+++ b/bots/blue-liquidation/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"],
+    "types": ["node"],
     "plugins": [{ "name": "soltag/plugin" }]
   },
   "include": ["src", "test", "scripts", ".soltag/types.d.ts"],
diff --git a/bots/blue-liquidation/vitest.config.ts b/bots/blue-liquidation/vitest.config.ts
new file mode 100644
index 00000000..827c62aa
--- /dev/null
+++ b/bots/blue-liquidation/vitest.config.ts
@@ -0,0 +1,23 @@
+import { fileURLToPath } from 'node:url'
+import soltag from 'soltag/vite'
+import { loadEnv } from 'vite'
+import { defineConfig } from 'vitest/config'
+
+const BOT_DIR = fileURLToPath(new URL('.', import.meta.url))
+
+// soltag is a build-time-only transform: its `sol``` tagged templates throw at runtime unless a
+// plugin compiles them (via solc). The vite plugin transforms this project's TS sources and leaves
+// files without templates unchanged — it replaces the hand-rolled bun loader plugin that used to be
+// wired through bunfig `preload`. Enable the optimizer: the lens's per-element computation has
+// enough locals to hit "stack too deep" without it.
+export default defineConfig({
+  plugins: [soltag({ solc: { optimizer: { enabled: true, runs: 200 } } })],
+  test: {
+    name: 'blue-liquidation',
+    // bun auto-loaded .env files; vitest does not. The fork suite reads RPC_URL_8453 from
+    // .env.test.local and skips when it is unset. `loadEnv` with an empty prefix passes an
+    // already-exported value straight through (so CI's secret survives) and omits the key entirely
+    // when no file supplies it — it never substitutes an empty string, so CI cannot silently skip.
+    env: loadEnv('test', BOT_DIR, '')
+  }
+})
diff --git a/bots/market-making/Dockerfile b/bots/market-making/Dockerfile
index ca5a3477..20ac61ec 100644
--- a/bots/market-making/Dockerfile
+++ b/bots/market-making/Dockerfile
@@ -1,12 +1,26 @@
 # syntax=docker/dockerfile:1
-# The build context is the repository root so every workspace dependency remains available.
-FROM oven/bun:1.3.12-slim
+# Image for the market-making bot. The build context MUST be the repository root so workspace
+# packages resolve. Node only: pnpm installs, esbuild bundles, node runs.
+FROM node:24.14.1-slim
+ENV COREPACK_ENABLE_DOWNLOAD_PROMPT=0
+
+# Runtime configuration may include a funded maker key, so the process must not run as root.
+# Corepack writes its pnpm shim to /usr/local/bin; enable it before dropping privileges.
+RUN corepack enable pnpm
+RUN mkdir -p /repo && chown node:node /repo
 WORKDIR /repo
+USER node
+
+# Manifests first keep the install layer cacheable. `corepack install` fetches the pnpm version pinned
+# in package.json#packageManager.
+COPY --chown=node:node package.json pnpm-workspace.yaml pnpm-lock.yaml ./
+RUN corepack install
 
-COPY package.json bun.lock bunfig.toml ./
-COPY packages ./packages
-COPY bots ./bots
-RUN bun install --frozen-lockfile
+# All workspace manifests and sources are needed to resolve links and build the bot bundle.
+COPY --chown=node:node packages ./packages
+COPY --chown=node:node bots ./bots
+RUN pnpm install --frozen-lockfile
+RUN pnpm -r --if-present run build
 
 WORKDIR /repo/bots/market-making
-CMD ["bun", "run", "start", "--", "start", "--verbose"]
+CMD ["node", "dist/src/index.js", "start", "--verbose"]
diff --git a/bots/market-making/README.md b/bots/market-making/README.md
index f876851e..d5005d1a 100644
--- a/bots/market-making/README.md
+++ b/bots/market-making/README.md
@@ -15,7 +15,7 @@ structure.
 Run the stateless parameter playground locally from the repository root:
 
 ```sh
-bun run market-making:playground
+pnpm run market-making:playground
 ```
 
 The launcher performs a frozen-lockfile dependency check before every build, then prints the local
@@ -23,7 +23,7 @@ server URL after building the browser artifact. For a production-equivalent
 build without starting a server, run:
 
 ```sh
-bun run --filter @morpho-org/market-making-bot playground:build
+pnpm --filter @morpho-org/market-making-bot run playground:build
 ```
 
 After this pull request is merged to `main`, relevant playground, browser-safe bot-kit, package, lock,
@@ -43,16 +43,16 @@ pnpm --filter @morpho-org/market-making-bot run start -- setup-check
 pnpm --filter @morpho-org/market-making-bot run start -- --readonly setup-check
 
 # Explicit signer sources (root options precede the command).
-bun run --filter @morpho-org/market-making-bot start -- --private-key '<key>' setup-check
-bun run --filter @morpho-org/market-making-bot start -- --keystore ./maker.json --interactive setup-check
-bun run --filter @morpho-org/market-making-bot start -- --aws setup-check
+pnpm --filter @morpho-org/market-making-bot run start -- --private-key '<key>' setup-check
+pnpm --filter @morpho-org/market-making-bot run start -- --keystore ./maker.json --interactive setup-check
+pnpm --filter @morpho-org/market-making-bot run start -- --aws setup-check
 ```
 
 For unattended keystore operation, provision `KEYSTORE_PASSWORD` separately through the deployment
 secret manager or process environment, then run the keystore command without an inline value:
 
 ```sh
-bun run --filter @morpho-org/market-making-bot start -- --keystore ./maker.json setup-check
+pnpm --filter @morpho-org/market-making-bot run start -- --keystore ./maker.json setup-check
 ```
 
 `--private-key <key>` and `--password <password>` remain available for explicit automation, but they
@@ -254,8 +254,8 @@ pnpm --filter @morpho-org/market-making-bot run start -- --version
 The package owns its production [Dockerfile](./Dockerfile), local
 [docker-compose.yml](./docker-compose.yml), and idempotent
 [`scripts/deploy-railway.ts`](./scripts/deploy-railway.ts) entrypoint. The Docker build context is the
-repository root so Bun can resolve every workspace dependency; the image starts the combined setup,
-bootstrap, and ladder monitor.
+repository root so pnpm can resolve every workspace dependency; the image builds the workspace and
+starts the combined setup, bootstrap, and ladder monitor as an unprivileged Node process.
 
 A full deployment creates the `market-making` Railway service, selects the package Dockerfile,
 provisions a persistent volume at `/state`, and writes the effective environment configuration
@@ -263,7 +263,7 @@ through stdin so values never appear in process arguments or logs:
 
 ```sh
 RAILWAY_PROJECT_ID=... \
-bun run --filter @morpho-org/market-making-bot deploy:railway
+pnpm --filter @morpho-org/market-making-bot run deploy:railway
 ```
 
 Provide the required values from [`.env.example`](./.env.example) in the invoking environment.
@@ -752,12 +752,12 @@ collections are rejected atomically. The four outputs are Bootstrap JSON, the co
 `BOOTSTRAP_MARKETS` value, Ladder JSON, and the compact exact `LADDER_MARKETS` value; each collection
 validates independently.
 
-From the repository root, one command runs `bun install --frozen-lockfile` (also on already-installed
+From the repository root, one command runs `pnpm install --frozen-lockfile` (also on already-installed
 workspaces, where it is fast), creates a fresh isolated build, and serves it on loopback. It does not
 run test assertions or require Chromium:
 
 ```sh
-bun run market-making:playground
+pnpm run market-making:playground
 ```
 
 Open the exact URL printed by the command (default `http://127.0.0.1:4173`). Override the listener
diff --git a/bots/market-making/docs/architecture.md b/bots/market-making/docs/architecture.md
index 4b0c8e95..4cee7300 100644
--- a/bots/market-making/docs/architecture.md
+++ b/bots/market-making/docs/architecture.md
@@ -149,7 +149,7 @@ historical block and requires `anvil` on `PATH` plus an archive-capable `RPC_URL
 Run package-focused checks with:
 
 ```sh
-bun test bots/market-making/test
+pnpm --filter @morpho-org/market-making-bot exec vitest run
 pnpm --filter @morpho-org/market-making-bot run test:e2e
 pnpm --filter @morpho-org/market-making-bot run typecheck
 pnpm --filter @morpho-org/market-making-bot run jsdoc:build
diff --git a/bots/market-making/package.json b/bots/market-making/package.json
index b2f9a03e..d1d41758 100644
--- a/bots/market-making/package.json
+++ b/bots/market-making/package.json
@@ -4,23 +4,25 @@
   "private": true,
   "license": "Apache-2.0",
   "bin": {
-    "mm": "./src/index.ts"
+    "mm": "./dist/src/index.js"
   },
   "type": "module",
   "scripts": {
-    "deploy:railway": "bun run scripts/deploy-railway.ts",
-    "start": "bun src/index.ts",
+    "build": "tsx scripts/build.ts",
+    "deploy:railway": "tsx scripts/deploy-railway.ts",
+    "jsdoc:build": "pnpm run jsdoc:check && typedoc --options typedoc.json",
+    "jsdoc:check": "tsx scripts/check-jsdoc.ts",
+    "prestart": "pnpm --filter \"{.}...\" --if-present run build",
     "playground:build": "node scripts/playground-build.mjs",
-    "playground:build:dev": "bun build playground/index.html --outdir playground/dist --target browser --watch",
     "playground:serve": "node scripts/playground-serve.mjs",
     "playground:serve:test": "node --test scripts/playground-atomic-publish.test.mjs scripts/playground-build.test.mjs scripts/playground-process.test.mjs scripts/playground-serve.test.mjs",
     "playground:smoke": "node scripts/playground-smoke.mjs",
-    "playground:smoke:test": "node --test scripts/playground-smoke.browser.mjs",
     "playground:smoke:output-probe": "node scripts/playground-smoke-output-probe.mjs",
-    "test:e2e": "bun test test/e2e",
-    "typecheck": "tsc --noEmit",
-    "jsdoc:check": "bun scripts/check-jsdoc.ts",
-    "jsdoc:build": "pnpm run jsdoc:check && typedoc --options typedoc.json"
+    "playground:smoke:test": "node --test scripts/playground-smoke.browser.mjs",
+    "playground:test": "node --test scripts/playground-atomic-publish.test.mjs scripts/playground-build.test.mjs scripts/playground-process.test.mjs scripts/playground-serve.test.mjs scripts/playground-smoke-suite.test.mjs scripts/playground-smoke.test.mjs",
+    "start": "node --env-file-if-exists=.env dist/src/index.js",
+    "test:e2e": "vitest run test/e2e",
+    "typecheck": "tsc --noEmit"
   },
   "dependencies": {
     "@aws-sdk/client-kms": "3.1101.0",
@@ -46,10 +48,15 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
+    "@types/node": "catalog:",
     "@types/react": "catalog:",
     "@types/react-dom": "catalog:",
+    "esbuild": "catalog:",
+    "execa": "catalog:",
+    "tsx": "catalog:",
     "typedoc": "0.28.20",
-    "typescript": "catalog:"
+    "typescript": "catalog:",
+    "vite": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/bots/market-making/playground/model.ts b/bots/market-making/playground/model.ts
index 60393f0e..76fec4e6 100644
--- a/bots/market-making/playground/model.ts
+++ b/bots/market-making/playground/model.ts
@@ -601,6 +601,12 @@ export const parseCollectionsImport = (text: string): CollectionsImport => {
 }
 
 export const COLLECTION_FRAGMENT_VERSION = 1
+type PlaygroundLocation = {
+  origin: string
+  pathname: string
+  search: string
+}
+
 export const encodePlaygroundFragment = (state: PlaygroundState) => {
   const validation = validatePlaygroundState(state)
   if (!validation.valid) throw new FragmentCodecError('Fragment state is invalid')
@@ -624,10 +630,8 @@ export const encodePlaygroundFragment = (state: PlaygroundState) => {
  * @returns A canonical absolute URL containing the exact encoded playground fragment.
  * @throws When either collection is runtime-invalid or the encoded fragment exceeds its size bound.
  */
-export const createPlaygroundShareUrl = (
-  state: PlaygroundState,
-  location: Pick<Location, 'origin' | 'pathname' | 'search'>
-) => `${location.origin}${location.pathname}${location.search}${encodePlaygroundFragment(state)}`
+export const createPlaygroundShareUrl = (state: PlaygroundState, location: PlaygroundLocation) =>
+  `${location.origin}${location.pathname}${location.search}${encodePlaygroundFragment(state)}`
 
 export const decodePlaygroundFragment = (fragment: string): PlaygroundState => {
   const encoded = fragment.startsWith('#') ? fragment.slice(1) : fragment
diff --git a/bots/market-making/scripts/build.ts b/bots/market-making/scripts/build.ts
new file mode 100644
index 00000000..5a44eee5
--- /dev/null
+++ b/bots/market-making/scripts/build.ts
@@ -0,0 +1,30 @@
+import { build as esbuild } from 'esbuild'
+import { rmSync } from 'node:fs'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+import { BundleFailedError } from './bundle-failed.error'
+
+// Bundles the bot entrypoint to `dist/` so production runs a plain `node` with no TypeScript
+// transform at startup. This bot holds no soltag `sol``` templates, so no transform plugin is wired.
+
+const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..')
+const DIST_DIR = join(ROOT, 'dist')
+rmSync(DIST_DIR, { recursive: true, force: true })
+
+try {
+  await esbuild({
+    entryPoints: [join(ROOT, 'src/index.ts')],
+    outdir: DIST_DIR,
+    outbase: ROOT,
+    bundle: true,
+    platform: 'node',
+    format: 'esm',
+    // CJS deps reaching for require() inside an ESM bundle need a real require.
+    banner: {
+      js: "import { createRequire as __createRequire } from 'node:module'; const require = __createRequire(import.meta.url);"
+    }
+  })
+} catch (error) {
+  throw new BundleFailedError(error instanceof Error ? error.message : String(error))
+}
diff --git a/bots/market-making/scripts/bundle-failed.error.ts b/bots/market-making/scripts/bundle-failed.error.ts
new file mode 100644
index 00000000..85b07b64
--- /dev/null
+++ b/bots/market-making/scripts/bundle-failed.error.ts
@@ -0,0 +1,11 @@
+/** Signals that the production bundle could not be produced. */
+export class BundleFailedError extends Error {
+  /**
+   * Creates a tooling failure from the bundler's own message, without retaining source contents.
+   * @param detail - Bundler-reported reason for the failure.
+   */
+  constructor(readonly detail: string) {
+    super(`Bundle failed: ${detail}`)
+    this.name = 'BundleFailedError'
+  }
+}
diff --git a/bots/market-making/scripts/check-jsdoc.test.ts b/bots/market-making/scripts/check-jsdoc.test.ts
index 045d6f91..77fa423c 100644
--- a/bots/market-making/scripts/check-jsdoc.test.ts
+++ b/bots/market-making/scripts/check-jsdoc.test.ts
@@ -1,9 +1,6 @@
-import { describe, expect, test } from 'bun:test'
-import { mkdir, mkdtemp, rm, writeFile } from 'node:fs/promises'
-import { tmpdir } from 'node:os'
-import { join, relative } from 'node:path'
+import { describe, expect, test } from 'vitest'
 
-import { discoverJSDocSourceFiles, inspectJSDocSource } from './check-jsdoc'
+import { inspectJSDocSource } from './check-jsdoc'
 import { JSDocValidationError } from './js-doc-validation.error'
 
 const inspect = (source: string) => inspectJSDocSource('fixture.ts', source)
@@ -22,39 +19,6 @@ export interface Reader {
 `
 
 describe('JSDoc contract checker', () => {
-  test('discovers relevant TypeScript files in deterministic order', async () => {
-    const packageRoot = await mkdtemp(join(tmpdir(), 'market-making-jsdoc-'))
-    try {
-      await Promise.all([
-        mkdir(join(packageRoot, 'src/nested'), { recursive: true }),
-        mkdir(join(packageRoot, 'scripts'), { recursive: true }),
-        mkdir(join(packageRoot, 'build/generated'), { recursive: true }),
-        mkdir(join(packageRoot, 'node_modules/dependency'), { recursive: true })
-      ])
-      await Promise.all([
-        writeFile(join(packageRoot, 'src/z.ts'), ''),
-        writeFile(join(packageRoot, 'src/nested/a.ts'), ''),
-        writeFile(join(packageRoot, 'src/index.ts'), ''),
-        writeFile(join(packageRoot, 'scripts/check-jsdoc.ts'), ''),
-        writeFile(join(packageRoot, 'scripts/js-doc-validation.error.ts'), ''),
-        writeFile(join(packageRoot, 'scripts/check-jsdoc.test.ts'), ''),
-        writeFile(join(packageRoot, 'build/generated/output.ts'), ''),
-        writeFile(join(packageRoot, 'node_modules/dependency/index.ts'), '')
-      ])
-
-      const files = await discoverJSDocSourceFiles(packageRoot)
-
-      expect(files.map(file => relative(packageRoot, file))).toEqual([
-        'scripts/check-jsdoc.ts',
-        'scripts/js-doc-validation.error.ts',
-        'src/nested/a.ts',
-        'src/z.ts'
-      ])
-    } finally {
-      await rm(packageRoot, { recursive: true, force: true })
-    }
-  })
-
   test('uses a stable typed tooling failure with a safe violation count', () => {
     const error = new JSDocValidationError(3)
 
diff --git a/bots/market-making/scripts/check-jsdoc.ts b/bots/market-making/scripts/check-jsdoc.ts
index fe8e3f6c..968ff5d4 100644
--- a/bots/market-making/scripts/check-jsdoc.ts
+++ b/bots/market-making/scripts/check-jsdoc.ts
@@ -1,4 +1,6 @@
-import { relative, resolve } from 'node:path'
+import { readFile } from 'node:fs/promises'
+import { dirname, relative, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import ts from 'typescript'
 
 import { JSDocValidationError } from './js-doc-validation.error'
@@ -295,7 +297,7 @@ export const inspectJSDocSource = (file: string, source: string): JSDocInspectio
   return { declarations, failures }
 }
 
-const packageRoot = resolve(import.meta.dir, '..')
+const packageRoot = resolve(dirname(fileURLToPath(import.meta.url)), '..')
 
 /**
  * Discovers the TypeScript files that define the documented market-making surface.
@@ -303,23 +305,21 @@ const packageRoot = resolve(import.meta.dir, '..')
  * @returns Relevant source and checker files in deterministic package-relative order.
  * @remarks The scan is read-only and excludes the executable entrypoint and test files.
  */
-export const discoverJSDocSourceFiles = async (root: string) => {
-  const glob = new Bun.Glob('{src,scripts}/**/*.ts')
-  const files: string[] = []
-  for await (const file of glob.scan({ cwd: root, absolute: true, onlyFiles: true })) {
-    const packagePath = relative(root, file)
-    if (packagePath === 'src/index.ts' || packagePath.endsWith('.test.ts')) continue
-    files.push(file)
-  }
-  return files.toSorted()
-}
+export const discoverJSDocSourceFiles = async (root: string) =>
+  ts.sys
+    .readDirectory(root, ['.ts'], ['node_modules'], ['src', 'scripts'])
+    .filter(file => {
+      const packagePath = relative(root, file)
+      return packagePath !== 'src/index.ts' && !packagePath.endsWith('.test.ts')
+    })
+    .toSorted()
 
 const run = async () => {
   const sourceFiles = await discoverJSDocSourceFiles(packageRoot)
   const failures: JSDocFailure[] = []
   const declarations: string[] = []
   for (const file of sourceFiles) {
-    const source = await Bun.file(file).text()
+    const source = await readFile(file, 'utf8')
     const inspection = inspectJSDocSource(relative(packageRoot, file), source)
     declarations.push(
       ...inspection.declarations.map(item => `${relative(packageRoot, file)} ${item}`)
@@ -340,4 +340,6 @@ const run = async () => {
   }
 }
 
-if (import.meta.main) await run()
+// bun's `import.meta.main`; under Node (and under an esbuild bundle, where it is unreliable) compare
+// the resolved entry path instead.
+if (process.argv[1] && resolve(process.argv[1]) === fileURLToPath(import.meta.url)) await run()
diff --git a/bots/market-making/scripts/deploy-railway.ts b/bots/market-making/scripts/deploy-railway.ts
index e7390765..fa04f9d3 100644
--- a/bots/market-making/scripts/deploy-railway.ts
+++ b/bots/market-making/scripts/deploy-railway.ts
@@ -7,8 +7,9 @@
  * reach a terminal state and succeed only on Railway `SUCCESS`.
  */
 import { delay, tryCatch } from '@repo/utils'
-import { $ } from 'bun'
-import { resolve } from 'node:path'
+import { $ } from 'execa'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
 
 import { RailwayDeploymentError } from './railway-deployment.error'
 import {
@@ -26,10 +27,10 @@ import {
 const SERVICE = 'market-making'
 const DOCKERFILE_PATH = 'bots/market-making/Dockerfile'
 const STATE_MOUNT_PATH = '/state'
-const REPO_ROOT = resolve(import.meta.dir, '..', '..', '..')
-const ENVIRONMENT = Bun.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
-const DEPLOY_ONLY = /^(1|true)$/i.test(Bun.env.DEPLOY_ONLY?.trim() || '')
-const PROJECT_ID = Bun.env.RAILWAY_PROJECT_ID?.trim()
+const REPO_ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..', '..', '..')
+const ENVIRONMENT = process.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
+const DEPLOY_ONLY = /^(1|true)$/i.test(process.env.DEPLOY_ONLY?.trim() || '')
+const PROJECT_ID = process.env.RAILWAY_PROJECT_ID?.trim()
 if (!PROJECT_ID) {
   throw new RailwayDeploymentError('Missing required environment variable: RAILWAY_PROJECT_ID')
 }
@@ -54,7 +55,7 @@ type RequiredRuntimeVariableName = (typeof requiredRuntimeVariableNames)[number]
 type RuntimeVariable = readonly [name: string, value: string]
 
 const required = (name: RequiredRuntimeVariableName) => {
-  const value = Bun.env[name]?.trim()
+  const value = process.env[name]?.trim()
   if (!value) throw new RailwayDeploymentError(`Missing required environment variable: ${name}`)
   if ((name === 'BOOTSTRAP_MARKETS' || name === 'LADDER_MARKETS') && !isNonEmptyJsonArray(value)) {
     throw new RailwayDeploymentError(`${name} must be a non-empty JSON array`)
@@ -67,9 +68,10 @@ const runtimeVariables = (): RuntimeVariable[] => {
   const requiredVariables = requiredRuntimeVariableNames.map(
     name => [name, required(name)] as const
   )
-  const optionalVariables = synchronizedOptionalRailwayVariables(Bun.env)
+  const optionalVariables = synchronizedOptionalRailwayVariables(process.env)
   const method =
-    Bun.env.KEY_STORAGE_METHOD?.trim() || (Bun.env.MAKER_PRIVATE_KEY?.trim() ? 'private-key' : '')
+    process.env.KEY_STORAGE_METHOD?.trim() ||
+    (process.env.MAKER_PRIVATE_KEY?.trim() ? 'private-key' : '')
   if (!['private-key', 'keystore', 'aws'].includes(method)) {
     throw new RailwayDeploymentError('KEY_STORAGE_METHOD must select exactly one signer')
   }
@@ -90,7 +92,7 @@ const runtimeVariables = (): RuntimeVariable[] => {
         ? ['KEYSTORE_PATH', 'KEYSTORE_PASSWORD']
         : ['AWS_KMS_KEY_ID', 'AWS_REGION']
   for (const name of signerRequired) {
-    const value = Bun.env[name]?.trim()
+    const value = process.env[name]?.trim()
     if (!value) throw new RailwayDeploymentError(`Missing required environment variable: ${name}`)
     signerValues[name] = value
   }
@@ -100,25 +102,23 @@ const runtimeVariables = (): RuntimeVariable[] => {
 }
 
 const assertCli = async () => {
-  const { error } = await tryCatch(Promise.resolve($`railway --version`.quiet()))
+  const { error } = await tryCatch($`railway --version`)
   if (error) throw new RailwayDeploymentError('Railway CLI is unavailable')
 }
 
 const ensureContext = async () => {
-  if (Bun.env.RAILWAY_TOKEN) return
+  if (process.env.RAILWAY_TOKEN) return
 
   const { error } = await tryCatch(
-    Promise.resolve($`railway link --project ${PROJECT_ID} --environment ${ENVIRONMENT}`.quiet())
+    $`railway link --project ${PROJECT_ID} --environment ${ENVIRONMENT}`
   )
   if (error) throw new RailwayDeploymentError('Failed to select the Railway project environment')
 }
 
 const listServices = async () => {
   const { data, error } = await tryCatch(
-    Promise.resolve(
-      $`railway service list --project ${PROJECT_ID} --environment ${ENVIRONMENT} --json`
-        .quiet()
-        .text()
+    $`railway service list --project ${PROJECT_ID} --environment ${ENVIRONMENT} --json`.then(
+      result => result.stdout
     )
   )
   if (error || typeof data !== 'string') {
@@ -133,9 +133,9 @@ const ensureService = async () => {
   const existingService = services.find(service => service.name === SERVICE)
   if (existingService) return { service: existingService, isFreshService: false }
 
-  assertFreshRailwayReferenceProvisioning(Bun.env, true)
+  assertFreshRailwayReferenceProvisioning(process.env, true)
   const { data, error } = await tryCatch(
-    Promise.resolve($`railway add --service ${SERVICE} --json`.quiet().text())
+    $`railway add --service ${SERVICE} --json`.then(result => result.stdout)
   )
   if (error || typeof data !== 'string') {
     throw new RailwayDeploymentError('Failed to create the Railway service')
@@ -151,10 +151,8 @@ const ensureService = async () => {
 
 const listVolumes = async () => {
   const { data, error } = await tryCatch(
-    Promise.resolve(
-      $`railway volume list --service ${SERVICE} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --json`
-        .quiet()
-        .text()
+    $`railway volume list --service ${SERVICE} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --json`.then(
+      result => result.stdout
     )
   )
   if (error || typeof data !== 'string') {
@@ -189,9 +187,7 @@ const ensureStateVolume = async (serviceId: string | undefined) => {
   }
 
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway volume add --service ${serviceId} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --mount-path ${STATE_MOUNT_PATH} --json`.quiet()
-    )
+    $`railway volume add --service ${serviceId} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --mount-path ${STATE_MOUNT_PATH} --json`
   )
   if (error) throw new RailwayDeploymentError('Failed to create the Railway state volume')
 
@@ -205,9 +201,9 @@ const ensureStateVolume = async (serviceId: string | undefined) => {
 
 const setRuntimeVariable = async ([name, value]: RuntimeVariable) => {
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway variable set ${name} --stdin --service ${SERVICE} --environment ${ENVIRONMENT} --skip-deploys < ${Buffer.from(value, 'utf8')}`.quiet()
-    )
+    $({
+      input: value
+    })`railway variable set ${name} --stdin --service ${SERVICE} --environment ${ENVIRONMENT} --skip-deploys`
   )
   if (error) throw new RailwayDeploymentError(`Failed to set Railway variable: ${name}`)
 
@@ -216,10 +212,8 @@ const setRuntimeVariable = async ([name, value]: RuntimeVariable) => {
 
 const latestDeploymentJson = async () => {
   const { data, error } = await tryCatch(
-    Promise.resolve(
-      $`railway deployment list --service ${SERVICE} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --limit 1 --json`
-        .quiet()
-        .text()
+    $`railway deployment list --service ${SERVICE} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --limit 1 --json`.then(
+      result => result.stdout
     )
   )
   if (error || typeof data !== 'string') {
@@ -232,11 +226,9 @@ const latestDeploymentJson = async () => {
 const startDeployment = async () => {
   const message = `deploy market-making ${ENVIRONMENT}`
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway up --service ${SERVICE} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --detach --message ${message}`
-        .cwd(REPO_ROOT)
-        .quiet()
-    )
+    $({
+      cwd: REPO_ROOT
+    })`railway up --service ${SERVICE} --project ${PROJECT_ID} --environment ${ENVIRONMENT} --detach --message ${message}`
   )
   if (error) throw new RailwayDeploymentError('Failed to start the Railway deployment')
 }
diff --git a/bots/market-making/scripts/playground-build-arguments.mjs b/bots/market-making/scripts/playground-build-arguments.mjs
index 25b071fa..8d3e0266 100644
--- a/bots/market-making/scripts/playground-build-arguments.mjs
+++ b/bots/market-making/scripts/playground-build-arguments.mjs
@@ -1,17 +1,16 @@
 export const productionPlaygroundBuildArguments = outdir => [
   'build',
-  'playground/index.html',
-  '--outdir',
+  'playground',
+  '--outDir',
   outdir,
   '--target',
-  'browser',
-  '--production',
-  '--entry-naming',
-  '[name].[ext]',
-  '--asset-naming',
-  '[name].[ext]',
-  '--define',
-  'process.env.NODE_ENV="production"',
-  '--sourcemap=none',
-  '--env=disable'
+  'es2022',
+  '--minify',
+  'esbuild',
+  '--assetsDir',
+  '.',
+  '--base',
+  './',
+  '--sourcemap',
+  'false'
 ]
diff --git a/bots/market-making/scripts/playground-build.mjs b/bots/market-making/scripts/playground-build.mjs
index 436f5536..5f4a2dd1 100644
--- a/bots/market-making/scripts/playground-build.mjs
+++ b/bots/market-making/scripts/playground-build.mjs
@@ -103,8 +103,8 @@ const buildIdentity = { dev: Number(created.dev), ino: Number(created.ino) }
 let keepTemporary = false
 
 try {
-  const bun = process.env.BUN_EXE || 'bun'
-  const child = spawn(bun, productionPlaygroundBuildArguments(buildOutdir), {
+  const vite = process.env.VITE_EXE || 'vite'
+  const child = spawn(vite, productionPlaygroundBuildArguments(buildOutdir), {
     cwd: packageRoot,
     env: { ...process.env, NODE_ENV: 'production' },
     shell: false,
diff --git a/bots/market-making/scripts/playground-build.test.mjs b/bots/market-making/scripts/playground-build.test.mjs
index df366453..207b0ec0 100644
--- a/bots/market-making/scripts/playground-build.test.mjs
+++ b/bots/market-making/scripts/playground-build.test.mjs
@@ -14,7 +14,7 @@ import {
 } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { basename, dirname, join } from 'node:path'
-import { afterEach, test } from 'node:test'
+import { afterEach, beforeEach, test } from 'node:test'
 import { fileURLToPath } from 'node:url'
 
 import { CANONICAL_PUBLISH_TEMP_MARKER } from './playground-atomic-publish.mjs'
@@ -28,6 +28,11 @@ const buildScript = join(packageRoot, 'scripts/playground-build.mjs')
 const canonical = join(packageRoot, 'playground', 'dist')
 const staleCanonicalAsset = join(canonical, 'offline-clean-only.stale')
 const owned = new Set()
+
+beforeEach(t => {
+  if (process.platform !== 'linux') t.skip('requires Linux canonical-path semantics')
+})
+
 const makeCanonicalChain = async () => {
   const container = await mkdtemp(join(tmpdir(), 'playground-path-chain-'))
   owned.add(container)
@@ -37,10 +42,10 @@ const makeCanonicalChain = async () => {
   await mkdir(playground, { recursive: true })
   return { container, packageRoot, playground, repoRoot }
 }
-const makeFakeBun = async source => {
-  const root = await mkdtemp(join(tmpdir(), 'market-making-fake-bun-'))
+const makeFakeVite = async source => {
+  const root = await mkdtemp(join(tmpdir(), 'market-making-fake-vite-'))
   owned.add(root)
-  const executable = join(root, 'bun')
+  const executable = join(root, 'vite')
   await writeFile(executable, `#!/usr/bin/env node\n${source}`)
   await chmod(executable, 0o755)
   return executable
@@ -103,17 +108,17 @@ test('CLI exposes only canonical default and --temporary; arbitrary output flags
 })
 
 test('--temporary creates a private owned OS-temp directory, reports its exact path, and leaves cleanup to caller', async () => {
-  const fakeBun = await makeFakeBun(`
+  const fakeVite = await makeFakeVite(`
 const { writeFileSync } = require('node:fs')
 const { tmpdir } = require('node:os')
 const { basename, dirname } = require('node:path')
-const outdir = process.argv[process.argv.indexOf('--outdir') + 1]
+const outdir = process.argv[process.argv.indexOf('--outDir') + 1]
 if (dirname(outdir) !== tmpdir()) throw new Error('not under OS temp')
 if (!basename(outdir).startsWith('market-making-playground-dist-')) throw new Error('wrong prefix')
 writeFileSync(outdir + '/index.html', '<script src="./index.js"></script>')
 writeFileSync(outdir + '/index.js', 'globalThis.temporary = true')
 `)
-  const result = await runBuild(['--temporary'], { BUN_EXE: fakeBun })
+  const result = await runBuild(['--temporary'], { VITE_EXE: fakeVite })
   assert.equal(result.code, 0, result.stderr)
   const record = outputRecord(result.stdout)
   assert.deepEqual(Object.keys(record).sort(), ['kind', 'mode', 'path'])
@@ -131,13 +136,13 @@ test('failed temporary build removes its internally-created partial output', asy
   const before = new Set(
     (await readdir(tmpdir())).filter(name => name.startsWith('market-making-playground-dist-'))
   )
-  const fakeBun = await makeFakeBun(`
+  const fakeVite = await makeFakeVite(`
 const { writeFileSync } = require('node:fs')
-const outdir = process.argv[process.argv.indexOf('--outdir') + 1]
+const outdir = process.argv[process.argv.indexOf('--outDir') + 1]
 writeFileSync(outdir + '/partial.bin', 'partial')
 process.exit(23)
 `)
-  const result = await runBuild(['--temporary'], { BUN_EXE: fakeBun })
+  const result = await runBuild(['--temporary'], { VITE_EXE: fakeVite })
   assert.notEqual(result.code, 0)
   assert.match(result.stderr, /Production playground build failed with exit code 23/)
   const after = (await readdir(tmpdir())).filter(
@@ -149,18 +154,18 @@ process.exit(23)
 test('canonical build stages in owned OS temp, publishes finalized files, and retains old assets', async () => {
   await mkdir(canonical, { recursive: true })
   await writeFile(staleCanonicalAsset, 'retained until an explicit offline clean')
-  const fakeBun = await makeFakeBun(`
+  const fakeVite = await makeFakeVite(`
 const { writeFileSync } = require('node:fs')
 const { tmpdir } = require('node:os')
 const { basename, dirname } = require('node:path')
-const outdir = process.argv[process.argv.indexOf('--outdir') + 1]
+const outdir = process.argv[process.argv.indexOf('--outDir') + 1]
 if (dirname(outdir) !== tmpdir()) throw new Error('canonical staging not in OS temp')
 if (!basename(outdir).startsWith('market-making-playground-staging-')) throw new Error('wrong staging prefix')
 writeFileSync(outdir + '/index.html', '<link rel="stylesheet" href="./index.css"><script src="./index.js"></script>')
 writeFileSync(outdir + '/index.css', 'body { color: red }')
 writeFileSync(outdir + '/index.js', 'globalThis.built = true')
 `)
-  const result = await runBuild([], { BUN_EXE: fakeBun })
+  const result = await runBuild([], { VITE_EXE: fakeVite })
   assert.equal(result.code, 0, result.stderr)
   assert.equal(result.stdout, '')
   const html = await readFile(join(canonical, 'index.html'), 'utf8')
@@ -180,13 +185,13 @@ test('failed canonical build preserves the prior index and removes OS-temp stagi
   const beforeTemp = new Set(
     (await readdir(tmpdir())).filter(name => name.startsWith('market-making-playground-staging-'))
   )
-  const fakeBun = await makeFakeBun(`
+  const fakeVite = await makeFakeVite(`
 const { writeFileSync } = require('node:fs')
-const outdir = process.argv[process.argv.indexOf('--outdir') + 1]
+const outdir = process.argv[process.argv.indexOf('--outDir') + 1]
 writeFileSync(outdir + '/partial', 'never publish me')
 process.exit(29)
 `)
-  const result = await runBuild([], { BUN_EXE: fakeBun })
+  const result = await runBuild([], { VITE_EXE: fakeVite })
   assert.notEqual(result.code, 0)
   assert.match(result.stderr, /exit code 29/)
   assert.deepEqual(await readFile(join(canonical, 'index.html')), beforeIndex)
diff --git a/bots/market-making/scripts/playground-process.test.mjs b/bots/market-making/scripts/playground-process.test.mjs
index 13698d9e..3803c5f4 100644
--- a/bots/market-making/scripts/playground-process.test.mjs
+++ b/bots/market-making/scripts/playground-process.test.mjs
@@ -26,7 +26,7 @@ test('pre-aborted commands never spawn', async () => {
     }
   })
   await assert.rejects(
-    run({ executable: 'bun', args: [], signal: controller.signal }),
+    run({ executable: 'tool', args: [], signal: controller.signal }),
     /already stopped/
   )
   assert.equal(spawns, 0)
@@ -49,7 +49,7 @@ test('an abort raised synchronously inside spawn is caught by the registered lis
     }
   })
   await assert.rejects(
-    run({ executable: 'bun', args: [], signal: controller.signal }),
+    run({ executable: 'tool', args: [], signal: controller.signal }),
     /spawn-window abort/
   )
   assert.deepEqual(kills, [
@@ -77,7 +77,7 @@ for (const platform of ['linux', 'darwin']) {
       }
     })
     const controller = new AbortController()
-    const result = run({ executable: 'bun', args: ['install'], signal: controller.signal })
+    const result = run({ executable: 'tool', args: ['install'], signal: controller.signal })
     controller.abort(new Error('cancelled'))
     await assert.rejects(result, /cancelled/)
     assert.equal(spawnOptions.detached, true)
@@ -97,7 +97,7 @@ test('Windows runner terminates a task tree with argument arrays and no shell',
     terminationGraceMs: 1,
     forceKillGraceMs: 10,
     spawnProcess(executable, args, options) {
-      if (executable === 'bun.exe') return child
+      if (executable === 'tool.exe') return child
       commands.push({ executable, args, options })
       const taskkill = fakeChild(999)
       queueMicrotask(() => taskkill.emit('close', 0, null))
@@ -106,7 +106,7 @@ test('Windows runner terminates a task tree with argument arrays and no shell',
     }
   })
   const controller = new AbortController()
-  const result = run({ executable: 'bun.exe', args: ['build'], signal: controller.signal })
+  const result = run({ executable: 'tool.exe', args: ['build'], signal: controller.signal })
   controller.abort(new Error('cancelled'))
   await assert.rejects(result, /cancelled/)
   assert.deepEqual(
diff --git a/bots/market-making/scripts/playground-serve-support.mjs b/bots/market-making/scripts/playground-serve-support.mjs
index 6629c875..a71671c8 100644
--- a/bots/market-making/scripts/playground-serve-support.mjs
+++ b/bots/market-making/scripts/playground-serve-support.mjs
@@ -174,7 +174,7 @@ const unresolvedDependencies = packageRoot => {
 export const ensureFrozenDependencies = async ({
   repoRoot,
   packageRoot,
-  executable = 'bun',
+  executable = 'pnpm',
   env = process.env,
   chmodFile = chmod,
   platform = process.platform,
@@ -185,7 +185,7 @@ export const ensureFrozenDependencies = async ({
   const snapshots = await snapshotWorkspaceBinModes(repoRoot, { packageRoot, platform })
   let installError
   try {
-    console.log('Checking workspace dependencies with bun install --frozen-lockfile...')
+    console.log(`Checking workspace dependencies with ${executable} install --frozen-lockfile...`)
     const result = await processRunner({
       executable,
       args: ['install', '--frozen-lockfile'],
diff --git a/bots/market-making/scripts/playground-serve.test.mjs b/bots/market-making/scripts/playground-serve.test.mjs
index 2ba075fc..e872d80c 100644
--- a/bots/market-making/scripts/playground-serve.test.mjs
+++ b/bots/market-making/scripts/playground-serve.test.mjs
@@ -30,6 +30,10 @@ import {
 } from './playground-serve-support.mjs'
 import { prepareFreshDist, startStaticServer } from './playground-smoke-support.mjs'
 
+test.beforeEach(t => {
+  if (process.platform !== 'linux') t.skip('requires Linux process and socket semantics')
+})
+
 const root = fileURLToPath(new URL('..', import.meta.url))
 const launcher = fileURLToPath(new URL('./playground-serve.mjs', import.meta.url))
 const temporaryDirectories = []
@@ -68,13 +72,17 @@ const waitFor = async operation => {
   throw lastError
 }
 
-const assertProcessNotLive = async pid => {
-  let state = 'missing'
+const readProcessState = async (pid, readProcessStat = readFile) => {
   try {
-    state = (await readFile(`/proc/${pid}/stat`, 'utf8')).split(' ')[2]
+    return (await readProcessStat(`/proc/${pid}/stat`, 'utf8')).split(' ')[2]
   } catch (error) {
-    if (error.code !== 'ENOENT') throw error
+    if (error.code === 'ENOENT' || error.code === 'ESRCH') return 'missing'
+    throw error
   }
+}
+
+const assertProcessNotLive = async pid => {
+  const state = await readProcessState(pid)
   assert.ok(state === 'missing' || state === 'Z', `process ${pid} remains live in state ${state}`)
 }
 
@@ -93,8 +101,8 @@ const rawHttpRequest = (server, method, path = '/malformed%') =>
     })
   })
 
-const writeBlockingBun = async root => {
-  const executable = join(root, 'blocking-bun')
+const writeBlockingPnpm = async root => {
+  const executable = join(root, 'blocking-pnpm')
   await writeFile(
     executable,
     `#!/bin/sh\ntrap '' TERM\nsh -c 'trap "" TERM; echo $$ > "$PID_FILE"; while :; do sleep 1; done' &\nwait\n`,
@@ -132,7 +140,7 @@ test('a frozen install runs unconditionally and resolves partial workspace depen
   await writeResolvableDependencies(packageRoot, ['viem'])
   await mkdir(bin)
   await writeFile(
-    join(bin, 'bun'),
+    join(bin, 'pnpm'),
     `#!/usr/bin/env node\nconst { mkdirSync, writeFileSync } = require('node:fs')\nconst { join } = require('node:path')\nwriteFileSync(process.env.INSTALL_LOG, JSON.stringify(process.argv.slice(2)))\nfor (const name of ['viem', '@repo/bot-kit']) { const root = join(process.env.PACKAGE_ROOT, 'node_modules', name); mkdirSync(root, { recursive: true }); writeFileSync(join(root, 'package.json'), JSON.stringify({ name, main: 'index.js' })); writeFileSync(join(root, 'index.js'), '') }\n`,
     { mode: 0o755 }
   )
@@ -140,7 +148,7 @@ test('a frozen install runs unconditionally and resolves partial workspace depen
   await ensureFrozenDependencies({
     repoRoot,
     packageRoot,
-    executable: join(bin, 'bun'),
+    executable: join(bin, 'pnpm'),
     env: { ...process.env, INSTALL_LOG: log, PACKAGE_ROOT: packageRoot }
   })
 
@@ -162,8 +170,8 @@ test('installed package dependencies still run the fast frozen lockfile check',
     }
   })
   assert.deepEqual(
-    calls.map(call => call.args),
-    [['install', '--frozen-lockfile']]
+    calls.map(call => [call.executable, call.args]),
+    [['pnpm', ['install', '--frozen-lockfile']]]
   )
 })
 
@@ -182,7 +190,7 @@ for (const [platform, originalMode] of [
     const repoRoot = await temporaryDirectory(`playground-clean-install-${platform}-`)
     const packageRoot = join(repoRoot, 'bots/market-making')
     const entrypoint = join(packageRoot, 'src/index.ts')
-    const executable = join(repoRoot, 'fake-bun')
+    const executable = join(repoRoot, 'fake-pnpm')
     const source = 'console.log("package bin content must stay unchanged")\n'
     await writeResolvableDependencies(packageRoot)
     await mkdir(join(packageRoot, 'src'), { recursive: true })
@@ -348,12 +356,12 @@ test('workspace bin discovery skips escaping and symlink targets', async () => {
 test('frozen install failures report the exact command and exit code', async () => {
   const repoRoot = await temporaryDirectory('playground-install-failure-')
   const packageRoot = join(repoRoot, 'bots/market-making')
-  const executable = join(repoRoot, 'bun-failure')
+  const executable = join(repoRoot, 'pnpm-failure')
   await writeResolvableDependencies(packageRoot, [])
   await writeFile(executable, '#!/usr/bin/env node\nprocess.exit(23)\n', { mode: 0o755 })
 
   await assert.rejects(ensureFrozenDependencies({ repoRoot, packageRoot, executable }), error => {
-    assert.match(error.message, /bun-failure install --frozen-lockfile failed with exit code 23/)
+    assert.match(error.message, /pnpm-failure install --frozen-lockfile failed with exit code 23/)
     return true
   })
 })
@@ -361,7 +369,7 @@ test('frozen install failures report the exact command and exit code', async ()
 test('successful install clearly lists dependencies that remain unresolved', async () => {
   const repoRoot = await temporaryDirectory('playground-unresolved-')
   const packageRoot = join(repoRoot, 'bots/market-making')
-  const executable = join(repoRoot, 'bun-noop')
+  const executable = join(repoRoot, 'pnpm-noop')
   await writeResolvableDependencies(packageRoot, [])
   await writeFile(executable, '#!/usr/bin/env node\n', { mode: 0o755 })
 
@@ -399,7 +407,7 @@ test('signal during frozen install kills its descendant tree', { timeout: 10_000
   const packageRoot = join(repoRoot, 'bots/market-making')
   const pidFile = join(repoRoot, 'descendant.pid')
   await writeResolvableDependencies(packageRoot)
-  const executable = await writeBlockingBun(repoRoot)
+  const executable = await writeBlockingPnpm(repoRoot)
   const controller = new AbortController()
   const pending = ensureFrozenDependencies({
     repoRoot,
@@ -415,6 +423,11 @@ test('signal during frozen install kills its descendant tree', { timeout: 10_000
   await assertProcessNotLive(descendantPid)
 })
 
+test('process liveness treats an already-reaped child as missing', async () => {
+  const error = Object.assign(new Error('no such process'), { code: 'ESRCH' })
+  assert.equal(await readProcessState(42, async () => Promise.reject(error)), 'missing')
+})
+
 test('fresh build preserves canonical dist, uses only temporary output, and validates index', async () => {
   const packageRoot = await temporaryDirectory('playground-fresh-injected-')
   const stale = join(packageRoot, 'playground/dist')
@@ -455,7 +468,7 @@ test(
   async () => {
     const packageRoot = await temporaryDirectory('playground-build-signal-')
     const pidFile = join(packageRoot, 'descendant.pid')
-    const executable = await writeBlockingBun(packageRoot)
+    const executable = await writeBlockingPnpm(packageRoot)
     const controller = new AbortController()
     let reported = false
     const runner = createPortableProcessRunner({ terminationGraceMs: 25, forceKillGraceMs: 250 })
diff --git a/bots/market-making/scripts/playground-smoke-suite.test.mjs b/bots/market-making/scripts/playground-smoke-suite.test.mjs
index 613cde4b..c4052a0c 100644
--- a/bots/market-making/scripts/playground-smoke-suite.test.mjs
+++ b/bots/market-making/scripts/playground-smoke-suite.test.mjs
@@ -11,7 +11,7 @@ const scriptsDirectory = fileURLToPath(new URL('.', import.meta.url))
 
 const readJson = async path => JSON.parse(await readFile(path, 'utf8'))
 
-test('CI keeps real-browser tests out of Bun discovery and runs them explicitly after Bun', async () => {
+test('CI runs every Node playground suite after the Vitest unit suite', async () => {
   const [rootPackage, marketMakingPackage, workflow, scriptNames] = await Promise.all([
     readJson(join(root, 'package.json')),
     readJson(join(root, 'bots/market-making/package.json')),
@@ -19,30 +19,35 @@ test('CI keeps real-browser tests out of Bun discovery and runs them explicitly
     readdir(scriptsDirectory)
   ])
 
-  assert.equal(rootPackage.scripts.test, 'bun test')
   assert.equal(
-    rootPackage.scripts['test:browser'],
-    'bun run --filter @morpho-org/market-making-bot playground:smoke:test'
+    rootPackage.scripts.test,
+    'vitest run && pnpm --filter @morpho-org/market-making-bot run playground:test'
+  )
+  assert.equal(
+    marketMakingPackage.scripts['playground:test'],
+    'node --test scripts/playground-atomic-publish.test.mjs scripts/playground-build.test.mjs scripts/playground-process.test.mjs scripts/playground-serve.test.mjs scripts/playground-smoke-suite.test.mjs scripts/playground-smoke.test.mjs'
   )
   assert.equal(
     marketMakingPackage.scripts['playground:smoke:test'],
     'node --test scripts/playground-smoke.browser.mjs'
   )
 
-  const unitStep = workflow.indexOf('- name: Run unit tests\n        run: bun test')
+  const unitStep = workflow.indexOf('- name: Run unit tests\n        run: pnpm test')
   const browserStep = workflow.indexOf(
-    '- name: Run browser smoke tests\n        run: bun test:browser'
+    '- name: Run browser smoke tests\n        run: pnpm --filter @morpho-org/market-making-bot run playground:smoke:test'
   )
-  assert.notEqual(unitStep, -1)
-  assert.ok(browserStep > unitStep, 'browser smoke command must run after the Bun suite')
+  assert.ok(unitStep >= 0)
+  assert.ok(browserStep > unitStep, 'browser smoke command must run after the unit suite')
 
-  const bunDiscoveredTests = scriptNames.filter(
-    name => /\.test\.[cm]?[jt]s$/.test(name) && name !== 'playground-smoke-suite.test.mjs'
+  const nodeTests = scriptNames.filter(
+    name => /\.test\.mjs$/.test(name) && name !== 'playground-smoke-suite.test.mjs'
   )
-  const bunSources = await Promise.all(
-    bunDiscoveredTests.map(name => readFile(join(scriptsDirectory, name), 'utf8'))
+  for (const name of nodeTests)
+    assert.ok(marketMakingPackage.scripts['playground:test'].includes(name))
+  const nodeSources = await Promise.all(
+    nodeTests.map(name => readFile(join(scriptsDirectory, name), 'utf8'))
   )
-  for (const source of bunSources) {
+  for (const source of nodeSources) {
     assert.doesNotMatch(source, /after Chromium readiness/)
     assert.doesNotMatch(source, /two complete smoke runs/)
     assert.doesNotMatch(source, /test\.skip/)
@@ -115,7 +120,7 @@ test('browser lifecycle uses separate bounded build, startup, body, UI, CDP, and
   assert.match(smokeSource, /panel: 'panel-ladder-string'/)
 })
 
-test('the declared root lint path effectively checks only the playground smoke mjs files', async () => {
+test('the root lint command explicitly checks the playground smoke mjs files', async () => {
   const [rootPackage, workflow] = await Promise.all([
     readJson(join(root, 'package.json')),
     readFile(join(root, '.github/workflows/checks.yml'), 'utf8')
@@ -125,7 +130,7 @@ test('the declared root lint path effectively checks only the playground smoke m
     rootPackage.scripts['lint:playground-smoke'],
     'oxlint --config bots/market-making/scripts/playground-smoke.oxlintrc.json bots/market-making/scripts/playground-smoke*.mjs'
   )
-  assert.match(rootPackage.scripts.lint, /bun run lint:playground-smoke/)
+  assert.match(rootPackage.scripts.lint, /pnpm run lint:playground-smoke/)
   assert.match(workflow, /- name: Run lint\n        run: pnpm lint/)
 })
 
diff --git a/bots/market-making/scripts/playground-smoke.browser.mjs b/bots/market-making/scripts/playground-smoke.browser.mjs
index 33af5bd1..920968f8 100644
--- a/bots/market-making/scripts/playground-smoke.browser.mjs
+++ b/bots/market-making/scripts/playground-smoke.browser.mjs
@@ -1,11 +1,14 @@
 import assert from 'node:assert/strict'
+import { execFile } from 'node:child_process'
 import { chmod, mkdtemp, mkdir, readFile, readdir, rm, symlink, writeFile } from 'node:fs/promises'
 import { connect } from 'node:net'
 import { tmpdir } from 'node:os'
 import { delimiter, join } from 'node:path'
 import test from 'node:test'
 import { fileURLToPath } from 'node:url'
+import { promisify } from 'node:util'
 
+import { productionPlaygroundBuildArguments } from './playground-build-arguments.mjs'
 import {
   closeOwnedProcessTreeGracefully,
   discoverChromium,
@@ -19,6 +22,7 @@ import {
 
 const temporaryDirectories = []
 const harnessRuns = new Set()
+const execFileAsync = promisify(execFile)
 const smokeScript = fileURLToPath(new URL('./playground-smoke.mjs', import.meta.url))
 const chromiumPath = await discoverChromium()
 const { cleanupTimeout, outerReadinessTimeout, browserTestTimeout } = smokeBudgets(process.env)
@@ -27,6 +31,19 @@ const temporaryDirectory = async prefix => {
   temporaryDirectories.push(directory)
   return directory
 }
+const writeFakeVite = async (path, html) => {
+  await writeFile(
+    path,
+    `#!/usr/bin/env node
+const { mkdirSync, writeFileSync } = require('node:fs')
+const outdir = process.argv[process.argv.indexOf('--outDir') + 1]
+if (!outdir) throw new Error('missing --outDir')
+mkdirSync(outdir, { recursive: true })
+writeFileSync(outdir + '/index.html', ${JSON.stringify(html)})
+`
+  )
+  await chmod(path, 0o755)
+}
 
 test.after(async () => {
   await Promise.allSettled([...harnessRuns].map(run => cleanupHarnessRun(run)))
@@ -35,6 +52,17 @@ test.after(async () => {
   )
 })
 
+test('fake Vite lifecycle builder follows the production --outDir contract', async () => {
+  const directory = await temporaryDirectory('playground-fake-vite-contract-')
+  const executable = join(directory, 'vite')
+  const outdir = join(directory, 'dist')
+  await writeFakeVite(executable, '<title>contract</title>')
+
+  await execFileAsync(executable, productionPlaygroundBuildArguments(outdir))
+
+  assert.equal(await readFile(join(outdir, 'index.html'), 'utf8'), '<title>contract</title>')
+})
+
 const processIdentity = async pid => {
   try {
     const stat = await readFile(`/proc/${pid}/stat`, 'utf8')
@@ -95,7 +123,7 @@ const assertPortClosed = port =>
 
 const spawnSmoke = ({ env = process.env } = {}) => {
   const child = spawnOwnedProcess(process.execPath, [smokeScript], {
-    env,
+    env: { ...env, NODE_DISABLE_COMPILE_CACHE: '1' },
     stdio: ['ignore', 'pipe', 'pipe']
   })
   child.stdout.setEncoding('utf8')
@@ -184,7 +212,7 @@ for (const signal of ['SIGTERM', 'SIGINT']) {
   test(testName, { timeout: browserTestTimeout }, async () => {
     const isolatedTmp = await temporaryDirectory(`playground-browser-${signal.toLowerCase()}-`)
     const bin = join(isolatedTmp, 'bin')
-    const fakeBun = join(bin, 'bun')
+    const fakeVite = join(bin, 'vite')
     const chromiumLink = join(bin, 'chromium')
     const wrapper = join(isolatedTmp, 'chromium-wrapper')
     const wrapperPidFile = join(isolatedTmp, 'chromium-wrapper-pid')
@@ -196,17 +224,7 @@ for (const signal of ['SIGTERM', 'SIGINT']) {
       /<div id="root" data-react-mounted="true"><div>[^<]+<\/div><\/div><script>document\.documentElement\.dataset\.playgroundReady = 'true'<\/script>/,
       'fake build must mount a non-empty React root before declaring playground readiness'
     )
-    await writeFile(
-      fakeBun,
-      `#!/usr/bin/env node
-const { mkdirSync, writeFileSync } = require('node:fs')
-const outdir = process.argv[process.argv.indexOf('--outdir') + 1]
-if (!outdir) throw new Error('missing --outdir')
-mkdirSync(outdir, { recursive: true })
-writeFileSync(outdir + '/index.html', ${JSON.stringify(fakeBuiltHtml)})
-`
-    )
-    await chmod(fakeBun, 0o755)
+    await writeFakeVite(fakeVite, fakeBuiltHtml)
     await writeFile(
       wrapper,
       `#!/usr/bin/env python3
@@ -286,20 +304,11 @@ test(
   async () => {
     const isolatedTmp = await temporaryDirectory('playground-browser-timeout-before-marker-')
     const bin = join(isolatedTmp, 'bin')
-    const fakeBun = join(bin, 'bun')
+    const fakeVite = join(bin, 'vite')
     const wrapper = join(isolatedTmp, 'chromium-no-devtools')
     const chromePidFile = join(isolatedTmp, 'chrome-pid')
     await mkdir(bin)
-    await writeFile(
-      fakeBun,
-      `#!/usr/bin/env node
-const { mkdirSync, writeFileSync } = require('node:fs')
-const outdir = process.argv[process.argv.indexOf('--outdir') + 1]
-mkdirSync(outdir, { recursive: true })
-writeFileSync(outdir + '/index.html', '<!doctype html><title>timeout cleanup</title>')
-`
-    )
-    await chmod(fakeBun, 0o755)
+    await writeFakeVite(fakeVite, '<!doctype html><title>timeout cleanup</title>')
     await writeFile(
       wrapper,
       `#!/usr/bin/env node
@@ -413,14 +422,14 @@ test(
 const runBuildTimeoutCase = async ({ publishFixture, timeoutMs, waitForFixture }) => {
   const isolatedTmp = await temporaryDirectory('playground-browser-build-timeout-')
   const bin = join(isolatedTmp, 'bin')
-  const fakeBun = join(bin, 'bun')
+  const fakeVite = join(bin, 'vite')
   const buildPidFile = join(isolatedTmp, 'build-pid')
   const descendantPidFile = join(isolatedTmp, 'build-descendant-pid')
   const captureBarrierFile = join(isolatedTmp, 'build-capture-ready')
   const captureFile = join(isolatedTmp, 'build-capture.json')
   await mkdir(bin)
   await writeFile(
-    fakeBun,
+    fakeVite,
     `#!/usr/bin/env node
 const { spawn } = require('node:child_process')
 const { writeFileSync } = require('node:fs')
@@ -438,12 +447,14 @@ child.on('close', () => process.exit(0))
 setInterval(() => {}, 1000)
 `
   )
-  await chmod(fakeBun, 0o755)
+  await chmod(fakeVite, 0o755)
   const run = spawnSmoke({
     env: {
       ...process.env,
       CHROMIUM_PATH: chromiumPath,
       PATH: `${bin}${delimiter}${process.env.PATH ?? ''}`,
+      VITE_EXE: fakeVite,
+      NODE_DISABLE_COMPILE_CACHE: '1',
       PLAYGROUND_SMOKE_BUILD_CAPTURE_BARRIER_FILE: captureBarrierFile,
       PLAYGROUND_SMOKE_BUILD_CAPTURE_FILE: captureFile,
       PLAYGROUND_SMOKE_BUILD_TIMEOUT_MS: String(timeoutMs),
@@ -477,7 +488,7 @@ setInterval(() => {}, 1000)
   assert.equal(recordedBuildTree.rootPid, recordedBuildTree.processes[0]?.pid)
   assert.ok(
     recordedBuildTree.processes.length >= 4,
-    `expected the build subreaper, build runner, fake Bun, and descendant; got ${JSON.stringify(recordedBuildTree)}`
+    `expected the build subreaper, build runner, fake Vite, and descendant; got ${JSON.stringify(recordedBuildTree)}`
   )
   captured = [
     ...captured,
diff --git a/bots/market-making/scripts/playground-smoke.test.mjs b/bots/market-making/scripts/playground-smoke.test.mjs
index d8615c5c..69935a4b 100644
--- a/bots/market-making/scripts/playground-smoke.test.mjs
+++ b/bots/market-making/scripts/playground-smoke.test.mjs
@@ -35,6 +35,10 @@ import {
   waitForReadiness
 } from './playground-smoke-support.mjs'
 
+test.beforeEach(t => {
+  if (process.platform !== 'linux') t.skip('requires Linux /proc process inspection')
+})
+
 const temporaryDirectories = []
 const smokeScript = fileURLToPath(new URL('./playground-smoke.mjs', import.meta.url))
 const temporaryDirectory = async prefix => {
@@ -276,12 +280,10 @@ test('static server abort closes a held connection and lets bounded close settle
       ]),
       /Timed out after 20ms during held static server close/
     )
-    if (!process.versions.bun) {
-      await waitFor(() => {
-        assert.equal(request.socket?.destroyed, true)
-        assert.equal(heldStream.destroyed, true)
-      }, 25)
-    }
+    await waitFor(() => {
+      assert.equal(request.socket?.destroyed, true)
+      assert.equal(heldStream.destroyed, true)
+    }, 25)
   } finally {
     request.destroy()
     await staticServer.close().catch(() => {})
@@ -937,9 +939,9 @@ for (const signal of ['SIGTERM', 'SIGINT']) {
     const forwardingFile = join(isolatedTmp, 'build-forwarding')
     const prematureSignalFile = join(isolatedTmp, 'build-descendant-signalled-before-parent')
     await mkdir(bin)
-    const fakeBun = join(bin, 'bun')
+    const fakeVite = join(bin, 'vite')
     await writeFile(
-      fakeBun,
+      fakeVite,
       `#!/usr/bin/env node
 const { spawn } = require('node:child_process')
 const { writeFileSync } = require('node:fs')
@@ -963,7 +965,7 @@ process.on('SIGTERM', () => {
 child.on('close', () => process.exit(0))
 `
     )
-    await chmod(fakeBun, 0o755)
+    await chmod(fakeVite, 0o755)
 
     const smoke = spawn(process.execPath, [smokeScript], {
       env: {
diff --git a/bots/market-making/src/bootstrap.ts b/bots/market-making/src/bootstrap.ts
index df705adf..1c3f2a66 100644
--- a/bots/market-making/src/bootstrap.ts
+++ b/bots/market-making/src/bootstrap.ts
@@ -153,7 +153,7 @@ const defaultState = async (config: ConfigService) => {
  * cannot race signer nonces.
  */
 export const createApplication = (
-  environment: Environment = Bun.env,
+  environment: Environment = process.env,
   dependencies: Dependencies = {}
 ): {
   /**
diff --git a/bots/market-making/src/config/config.service.ts b/bots/market-making/src/config/config.service.ts
index 200ba944..27c9fcbd 100644
--- a/bots/market-making/src/config/config.service.ts
+++ b/bots/market-making/src/config/config.service.ts
@@ -31,14 +31,14 @@ export type { MakerIdentity } from './signer-identity.utils'
 export class ConfigService {
   /**
    * Parses the existing environment-only representation through the shared validation path.
-   * @param environment - Environment map; defaults to `Bun.env` at the runtime boundary.
+   * @param environment - Environment map; defaults to `process.env` at the runtime boundary.
    * @param options - Runtime mode; read-only operation accepts only the configured maker address.
    * @returns An immutable configuration with checksummed addresses and narrowed IDs.
    * @throws `ConfigValidationError` on missing, malformed, duplicated, unsupported, or out-of-range
    * values; rejected values and secrets are not retained by the error.
    */
   static from(
-    environment: Environment = Bun.env,
+    environment: Environment = process.env,
     options: Pick<ConfigurationLoadOptions, 'readOnly'> = {}
   ) {
     return ConfigService.fromSource(
@@ -58,7 +58,10 @@ export class ConfigService {
    * permits fallback; unsafe entries fail closed. No file means env-only loading. Read-only mode
    * omits YAML and environment private-key values before typed validation.
    */
-  static async load(environment: Environment = Bun.env, options: ConfigurationLoadOptions = {}) {
+  static async load(
+    environment: Environment = process.env,
+    options: ConfigurationLoadOptions = {}
+  ) {
     const source = await loadConfigurationSources(environment, options)
     const declaredMethod = source.values.KEY_STORAGE_METHOD?.toString().trim()
     const keystorePath = source.values.KEYSTORE_PATH?.toString().trim()
diff --git a/bots/market-making/src/index.ts b/bots/market-making/src/index.ts
index 82ebbded..21b7d900 100644
--- a/bots/market-making/src/index.ts
+++ b/bots/market-making/src/index.ts
@@ -36,9 +36,9 @@ await observability.start()
 try {
   process.exitCode = await runMarketMakingEntrypoint(
     createApplication(),
-    enhanceVerboseArgv(Bun.argv.slice(2), {
+    enhanceVerboseArgv(process.argv.slice(2), {
       commands: MARKET_MAKING_VERBOSE_COMMANDS,
-      env: Bun.env
+      env: process.env
     }),
     {
       writeOut: value => console.log(value),
diff --git a/bots/market-making/src/infrastructure/setup-state/http-json.utils.ts b/bots/market-making/src/infrastructure/setup-state/http-json.utils.ts
index 48bc864a..73d9770d 100644
--- a/bots/market-making/src/infrastructure/setup-state/http-json.utils.ts
+++ b/bots/market-making/src/infrastructure/setup-state/http-json.utils.ts
@@ -61,5 +61,7 @@ export const booksJsonRequestFetch = (request: JsonRequest, timeoutMs: number):
     const value = await request(inputUrl, 'morpho-api', timeoutMs)
     return Response.json(value)
   }
-  return Object.assign(adapter, { preconnect: fetch.preconnect })
+  // bun's `fetch` carried a `preconnect` property that had to be copied to satisfy `typeof fetch`;
+  // Node's `fetch` type has no such member, so the adapter alone is assignable.
+  return adapter
 }
diff --git a/bots/market-making/test/application/bootstrap/position-bootstrap.service.test.ts b/bots/market-making/test/application/bootstrap/position-bootstrap.service.test.ts
index b99c98f1..14fabcdc 100644
--- a/bots/market-making/test/application/bootstrap/position-bootstrap.service.test.ts
+++ b/bots/market-making/test/application/bootstrap/position-bootstrap.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import type {
   BootstrapMakeService,
@@ -40,7 +40,7 @@ const setup = ({
   configs?: BootstrapConfig[]
   credit?: bigint
 } = {}) => {
-  const readPosition = mock(async () => ({
+  const readPosition = vi.fn(async () => ({
     credit,
     debt: 0n,
     cashBalance: 2_000n,
@@ -48,14 +48,14 @@ const setup = ({
     totalExposure: 0n,
     activeOffer: undefined
   }))
-  const readRate = mock(async () => ({
+  const readRate = vi.fn(async () => ({
     mode: 'static' as const,
     rateBps: 500n,
     observationId: 'static:500'
   }))
-  const reconcile = mock(async () => undefined)
-  const hardHalt = mock(async () => undefined)
-  const cleanup = mock(async () => undefined)
+  const reconcile = vi.fn(async () => undefined)
+  const hardHalt = vi.fn(async () => undefined)
+  const cleanup = vi.fn(async () => undefined)
   const positions: BootstrapPositionService = { readPosition }
   const rates: BootstrapReferenceRateService = { readRate }
   const make: BootstrapMakeService = { reconcile, hardHalt, cleanup }
@@ -79,10 +79,10 @@ describe('PositionBootstrapService', () => {
     const events: string[] = []
     const controller = new AbortController()
     const { service, make } = setup()
-    make.reconcile = mock(async () => {
+    make.reconcile = vi.fn(async () => {
       events.push('reconcile')
     })
-    const cleanup = mock(async () => {
+    const cleanup = vi.fn(async () => {
       events.push('cleanup')
     })
     make.cleanup = cleanup
@@ -150,10 +150,10 @@ describe('PositionBootstrapService', () => {
   test('stops monitoring on a handled failed cycle and still cleans owned groups', async () => {
     const controller = new AbortController()
     const { service, make } = setup()
-    make.reconcile = mock(async () => {
+    make.reconcile = vi.fn(async () => {
       throw new Error('publication unavailable')
     })
-    const cleanup = mock(async () => 'logged' as const)
+    const cleanup = vi.fn(async () => 'logged' as const)
     make.cleanup = cleanup
 
     const report = await service.runContinuously({
@@ -174,7 +174,7 @@ describe('PositionBootstrapService', () => {
   test('reports a sanitized cleanup failure after a stop signal', async () => {
     const controller = new AbortController()
     const { service, make } = setup()
-    make.cleanup = mock(async () => {
+    make.cleanup = vi.fn(async () => {
       const error = new Error('provider https://rpc.example/?key=secret')
       error.name = 'https://rpc.example/?key=secret'
       throw error
@@ -279,7 +279,7 @@ describe('PositionBootstrapService', () => {
     const { service, make, readPosition, readRate, reconcile } = setup({
       configs: [{ ...config(), maximumTotalExposure: 0n }]
     })
-    const hardHalt = mock(async () => {
+    const hardHalt = vi.fn(async () => {
       throw new RangeError('cleanup reverted')
     })
     make.hardHalt = hardHalt
@@ -331,7 +331,7 @@ describe('PositionBootstrapService', () => {
     const submittedEvents: unknown[] = []
     const transactionOrder: string[] = []
     let read = 0
-    const readPosition = mock(async () => {
+    const readPosition = vi.fn(async () => {
       read += 1
       return {
         credit: read === 1 ? 0n : 100n,
@@ -352,7 +352,7 @@ describe('PositionBootstrapService', () => {
       }
     })
     positions.readPosition = readPosition
-    make.reconcile = mock(async parameters => {
+    make.reconcile = vi.fn(async parameters => {
       await parameters.onTransactionSubmitted?.({
         operation: 'publish',
         txHash: publicationHash
@@ -456,7 +456,7 @@ describe('PositionBootstrapService', () => {
 
   test('retains a confirmed ratification hash when publication later fails', async () => {
     const { service, make } = setup()
-    make.reconcile = mock(async () => {
+    make.reconcile = vi.fn(async () => {
       throw new BootstrapAdapterError(
         'publication-transaction-reverted-after-ratification'
       ).recordConfirmedTransactions([{ operation: 'ratify', txHash: ratificationHash }])
@@ -482,7 +482,7 @@ describe('PositionBootstrapService', () => {
 
   test('reports canonical protocol no-ops as observed resting offers', async () => {
     const { service, make } = setup()
-    make.reconcile = mock(async () => 'unchanged' as const)
+    make.reconcile = vi.fn(async () => 'unchanged' as const)
 
     const result = await service.runOnce()
 
@@ -492,7 +492,7 @@ describe('PositionBootstrapService', () => {
   test('keeps an applied result when only its verbose after-state read fails', async () => {
     const { service, positions } = setup()
     let read = 0
-    positions.readPosition = mock(async () => {
+    positions.readPosition = vi.fn(async () => {
       read += 1
       if (read === 2) throw new TypeError('after-state provider unavailable')
       return {
@@ -521,7 +521,7 @@ describe('PositionBootstrapService', () => {
   test('reports verbose monitor cycles and confirmed shutdown cancellation hashes', async () => {
     const controller = new AbortController()
     const { service, make } = setup({ credit: 900n })
-    make.cleanup = mock(async parameters => {
+    make.cleanup = vi.fn(async parameters => {
       await parameters?.onTransactionSubmitted?.({
         operation: 'cancel',
         txHash: cancellationHash
@@ -625,7 +625,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, reconcile } = setup({
       configs: [capped, { ...capped, marketId: secondMarketId }]
     })
-    positions.readPosition = mock(async id => ({
+    positions.readPosition = vi.fn(async id => ({
       credit: 0n,
       debt: 0n,
       cashBalance: id === marketId ? 1_000n : 500n,
@@ -667,7 +667,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, reconcile } = setup({
       configs: [capped, { ...capped, marketId: secondMarketId }]
     })
-    positions.readPosition = mock(async id => ({
+    positions.readPosition = vi.fn(async id => ({
       credit: id === marketId ? 900n : 0n,
       debt: 0n,
       cashBalance: id === marketId ? 1_000n : 500n,
@@ -703,7 +703,7 @@ describe('PositionBootstrapService', () => {
   test('invalidates at target and stays observational after completion when auto-refill is off', async () => {
     const { service, positions, reconcile } = setup()
     let cycle = 0
-    positions.readPosition = mock(async () => {
+    positions.readPosition = vi.fn(async () => {
       cycle += 1
       return {
         credit: cycle === 1 ? 900n : 500n,
@@ -761,7 +761,7 @@ describe('PositionBootstrapService', () => {
         configs: [config(), config(secondMarketId, true)]
       })
       let preparingCompletion = warmup
-      positions.readPosition = mock(async id => {
+      positions.readPosition = vi.fn(async id => {
         if (preparingCompletion) {
           return {
             credit: 900n,
@@ -795,7 +795,7 @@ describe('PositionBootstrapService', () => {
         reconcile.mockClear()
         hardHalt.mockClear()
       }
-      const failedReconcile = mock(async request => {
+      const failedReconcile = vi.fn(async request => {
         if (request.marketId === marketId && request.desiredOffer === undefined) {
           throw new RangeError('market invalidation reverted')
         }
@@ -823,7 +823,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, make } = setup({
       configs: [config(), config(secondMarketId)]
     })
-    positions.readPosition = mock(async id => ({
+    positions.readPosition = vi.fn(async id => ({
       credit: id === marketId ? 900n : 0n,
       debt: 0n,
       cashBalance: 2_000n,
@@ -839,7 +839,7 @@ describe('PositionBootstrapService', () => {
             }
           : undefined
     }))
-    const failedReconcile = mock(async request => {
+    const failedReconcile = vi.fn(async request => {
       if (request.marketId === marketId) {
         const hostileInvalidation = new Error('market invalidation reverted')
         hostileInvalidation.name = 'https://invalidator.example/?token=secret-invalidation'
@@ -847,7 +847,7 @@ describe('PositionBootstrapService', () => {
       }
     })
     make.reconcile = failedReconcile
-    const hardHalt = mock(async () => {
+    const hardHalt = vi.fn(async () => {
       const hostileCleanup = new Error('hard halt reverted')
       hostileCleanup.name = 'https://cleanup.example/?token=secret-cleanup'
       throw hostileCleanup
@@ -878,7 +878,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, reconcile, hardHalt } = setup({
       configs: [config(), config(secondMarketId)]
     })
-    positions.readPosition = mock(async id => ({
+    positions.readPosition = vi.fn(async id => ({
       credit: id === marketId ? 900n : 0n,
       debt: 0n,
       cashBalance: 2_000n,
@@ -907,7 +907,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, reconcile } = setup({
       configs: [config(), config(secondMarketId)]
     })
-    positions.readPosition = mock(async id => {
+    positions.readPosition = vi.fn(async id => {
       if (id === marketId) throw new Error('provider unavailable')
       return {
         credit: 0n,
@@ -950,10 +950,10 @@ describe('PositionBootstrapService', () => {
 
   test('halts after market invalidation fails while preserving the read failure', async () => {
     const { service, positions, make, hardHalt } = setup()
-    positions.readPosition = mock(async () => {
+    positions.readPosition = vi.fn(async () => {
       throw new TypeError('position unavailable')
     })
-    make.reconcile = mock(async () => {
+    make.reconcile = vi.fn(async () => {
       throw new RangeError('invalidation reverted')
     })
 
@@ -974,7 +974,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, make } = setup({
       configs: [config(), config(secondMarketId)]
     })
-    positions.readPosition = mock(async id => {
+    positions.readPosition = vi.fn(async id => {
       if (id === marketId) throw new TypeError('position unavailable')
       return {
         credit: 0n,
@@ -985,7 +985,7 @@ describe('PositionBootstrapService', () => {
         activeOffer: undefined
       }
     })
-    const failedReconcile = mock(async request => {
+    const failedReconcile = vi.fn(async request => {
       if (request.marketId === marketId) throw new RangeError('invalidation reverted')
     })
     make.reconcile = failedReconcile
@@ -1005,13 +1005,13 @@ describe('PositionBootstrapService', () => {
 
   test('preserves market invalidation and hard-halt failure classifications', async () => {
     const { service, positions, make } = setup()
-    positions.readPosition = mock(async () => {
+    positions.readPosition = vi.fn(async () => {
       throw new TypeError('position unavailable')
     })
-    make.reconcile = mock(async () => {
+    make.reconcile = vi.fn(async () => {
       throw new RangeError('invalidation reverted')
     })
-    make.hardHalt = mock(async () => {
+    make.hardHalt = vi.fn(async () => {
       throw new URIError('hard halt reverted')
     })
 
@@ -1032,7 +1032,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions } = setup()
     const hostile = new Error('provider failed')
     hostile.name = 'https://rpc.example/?token=secret-token'
-    positions.readPosition = mock(async () => {
+    positions.readPosition = vi.fn(async () => {
       throw hostile
     })
 
@@ -1053,7 +1053,7 @@ describe('PositionBootstrapService', () => {
     'hard-halts an out-of-bounds rate with zero capacity (%s BPS)',
     async rateBps => {
       const { service, positions, rates, reconcile, hardHalt } = setup()
-      positions.readPosition = mock(async () => ({
+      positions.readPosition = vi.fn(async () => ({
         credit: 0n,
         debt: 0n,
         cashBalance: 0n,
@@ -1061,7 +1061,7 @@ describe('PositionBootstrapService', () => {
         totalExposure: 0n,
         activeOffer: undefined
       }))
-      rates.readRate = mock(async () => ({
+      rates.readRate = vi.fn(async () => ({
         mode: 'static' as const,
         rateBps,
         observationId: `static:${rateBps}`
@@ -1085,7 +1085,7 @@ describe('PositionBootstrapService', () => {
     const { service, rates, reconcile, hardHalt } = setup({
       configs: [config(), config(secondMarketId)]
     })
-    rates.readRate = mock(async () => {
+    rates.readRate = vi.fn(async () => {
       throw new TypeError('stale reference')
     })
 
@@ -1110,7 +1110,7 @@ describe('PositionBootstrapService', () => {
     const { service, rates, reconcile, hardHalt } = setup({
       configs: [config(), config(secondMarketId)]
     })
-    rates.readRate = mock(async id => {
+    rates.readRate = vi.fn(async id => {
       if (id === secondMarketId) throw new TypeError('stale reference')
       return { mode: 'static' as const, rateBps: 500n, observationId: 'static:500' }
     })
@@ -1130,10 +1130,10 @@ describe('PositionBootstrapService', () => {
 
   test('preserves the reference failure classification when strategy cleanup also fails', async () => {
     const { service, rates, make } = setup()
-    rates.readRate = mock(async () => {
+    rates.readRate = vi.fn(async () => {
       throw new TypeError('stale reference')
     })
-    make.hardHalt = mock(async () => {
+    make.hardHalt = vi.fn(async () => {
       throw new RangeError('cleanup reverted')
     })
 
@@ -1151,7 +1151,7 @@ describe('PositionBootstrapService', () => {
 
   test('halts and invalidates the strategy when the bootstrap decision rejects active offers', async () => {
     const { service, positions, rates, hardHalt } = setup()
-    positions.readPosition = mock(async () => ({
+    positions.readPosition = vi.fn(async () => ({
       credit: 0n,
       debt: 0n,
       cashBalance: 2_000n,
@@ -1164,7 +1164,7 @@ describe('PositionBootstrapService', () => {
         referenceObservationId: 'static:500'
       }
     }))
-    rates.readRate = mock(async () => ({
+    rates.readRate = vi.fn(async () => ({
       mode: 'static' as const,
       rateBps: 100n,
       observationId: 'static:100'
@@ -1186,7 +1186,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, readRate, reconcile, hardHalt } = setup({
       configs: [{ ...config(), acceptanceAssets: -1n }, config(secondMarketId)]
     })
-    const readPosition = mock(async (id: Hex) => ({
+    const readPosition = vi.fn(async (id: Hex) => ({
       credit: 0n,
       debt: 0n,
       cashBalance: 2_000n,
@@ -1221,7 +1221,7 @@ describe('PositionBootstrapService', () => {
     const { service, positions, make, readRate, reconcile } = setup({
       configs: [{ ...config(), acceptanceAssets: 1_001n }, config(secondMarketId)]
     })
-    const readPosition = mock(async (id: Hex) => ({
+    const readPosition = vi.fn(async (id: Hex) => ({
       credit: 0n,
       debt: 0n,
       cashBalance: 2_000n,
@@ -1235,7 +1235,7 @@ describe('PositionBootstrapService', () => {
       }
     }))
     positions.readPosition = readPosition
-    const hardHalt = mock(async () => {
+    const hardHalt = vi.fn(async () => {
       throw new RangeError('cleanup reverted')
     })
     make.hardHalt = hardHalt
@@ -1260,7 +1260,7 @@ describe('PositionBootstrapService', () => {
   test('completes before a failed reference read and stays stopped with auto-refill disabled', async () => {
     const { service, positions, rates, reconcile } = setup()
     let cycle = 0
-    positions.readPosition = mock(async () => {
+    positions.readPosition = vi.fn(async () => {
       cycle += 1
       return {
         credit: cycle === 1 ? 900n : 500n,
@@ -1279,7 +1279,7 @@ describe('PositionBootstrapService', () => {
             : undefined
       }
     })
-    const failedReadRate = mock(async () => {
+    const failedReadRate = vi.fn(async () => {
       throw new TypeError('reference unavailable')
     })
     rates.readRate = failedReadRate
@@ -1306,7 +1306,7 @@ describe('PositionBootstrapService', () => {
 
   test('stops dependent plans after a make failure', async () => {
     const { service, make } = setup({ configs: [config(), config(secondMarketId)] })
-    const failedReconcile = mock(async request => {
+    const failedReconcile = vi.fn(async request => {
       if (request.marketId === marketId) throw new RangeError('publish rejected')
     })
     make.reconcile = failedReconcile
@@ -1327,7 +1327,7 @@ describe('PositionBootstrapService', () => {
 
   test('reports a sanitized Mempool asset floor after publication validation fails', async () => {
     const { service, make } = setup()
-    make.reconcile = mock(async () => {
+    make.reconcile = vi.fn(async () => {
       throw new BootstrapMempoolValidationError([
         { rule: 'min_offer_assets_usd', minimumAssets: 100_000_000n }
       ])
@@ -1348,7 +1348,7 @@ describe('PositionBootstrapService', () => {
   test('resumes after initial completion when auto-refill is enabled', async () => {
     const { service, positions, reconcile } = setup({ configs: [config(marketId, true)] })
     let cycle = 0
-    positions.readPosition = mock(async () => {
+    positions.readPosition = vi.fn(async () => {
       cycle += 1
       return {
         credit: cycle === 1 ? 900n : 500n,
diff --git a/bots/market-making/test/application/invalidation/offer-invalidation.service.test.ts b/bots/market-making/test/application/invalidation/offer-invalidation.service.test.ts
index a13290de..d7afac13 100644
--- a/bots/market-making/test/application/invalidation/offer-invalidation.service.test.ts
+++ b/bots/market-making/test/application/invalidation/offer-invalidation.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import type { OfferInvalidationPort } from '../../../src/application/invalidation/offer-invalidation.service'
 
@@ -49,8 +49,8 @@ const subject = (
 
 describe('OfferInvalidationService', () => {
   test('uses the mandatory batch capability once for maker-wide read-only rendering', async () => {
-    const invalidateBatch = mock(async () => undefined)
-    const invalidate = mock(async () => txB)
+    const invalidateBatch = vi.fn(async () => undefined)
+    const invalidate = vi.fn(async () => txB)
     const { service } = subject({ invalidateBatch, invalidate }, 'readonly')
 
     const report = await service.run()
@@ -67,15 +67,15 @@ describe('OfferInvalidationService', () => {
   })
 
   test('reports one confirmed batch hash for every selected group and forgets them together', async () => {
-    const invalidateBatch = mock(
+    const invalidateBatch = vi.fn(
       async (groupIds: readonly Hex[], observer?: (hash: Hex) => unknown) => {
         expect(groupIds).toEqual([groupA, groupB])
         await observer?.(txA)
         return txA
       }
     )
-    const invalidate = mock(async () => txB)
-    const forgetGroups = mock(async () => undefined)
+    const invalidate = vi.fn(async () => txB)
+    const forgetGroups = vi.fn(async () => undefined)
     const { service } = subject({ invalidateBatch, invalidate, forgetGroups })
     const submitted: unknown[] = []
 
@@ -98,7 +98,7 @@ describe('OfferInvalidationService', () => {
   })
 
   test('does not fall back after a submitted batch transaction fails', async () => {
-    const invalidate = mock(async () => txB)
+    const invalidate = vi.fn(async () => txB)
     const { service } = subject({
       invalidateBatch: async (_groupIds, observer) => {
         await observer?.(txA)
@@ -122,7 +122,7 @@ describe('OfferInvalidationService', () => {
   })
 
   test('retains the shared batch hash for every group when ownership cleanup fails', async () => {
-    const forgetGroups = mock(async () => {
+    const forgetGroups = vi.fn(async () => {
       throw new OfferInvalidationAdapterError('ownership-cleanup')
     })
     const { service } = subject({
@@ -165,8 +165,8 @@ describe('OfferInvalidationService', () => {
   })
 
   test('directly invalidates an explicit group without consulting the active-group API', async () => {
-    const listActiveGroupIds = mock(async () => [groupB])
-    const invalidateBatch = mock(async () => txB)
+    const listActiveGroupIds = vi.fn(async () => [groupB])
+    const invalidateBatch = vi.fn(async () => txB)
     const { service } = subject({ listActiveGroupIds, invalidateBatch })
 
     const report = await service.run({ groupId: groupA })
@@ -256,8 +256,8 @@ describe('OfferInvalidationService', () => {
   })
 
   test('reports preflight failure without enumerating or invalidating groups', async () => {
-    const listActiveGroupIds = mock(async () => [groupA])
-    const invalidate = mock(async () => txA)
+    const listActiveGroupIds = vi.fn(async () => [groupA])
+    const invalidate = vi.fn(async () => txA)
     const { service } = subject({
       preflight: async () => {
         throw new OfferInvalidationAdapterError('preflight')
diff --git a/bots/market-making/test/application/ladder/ladder-market-maker.service.test.ts b/bots/market-making/test/application/ladder/ladder-market-maker.service.test.ts
index db7a38dd..4b203b6a 100644
--- a/bots/market-making/test/application/ladder/ladder-market-maker.service.test.ts
+++ b/bots/market-making/test/application/ladder/ladder-market-maker.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import type {
   LadderMakeService,
@@ -75,7 +75,7 @@ const harness = (configs: readonly LadderConfig[] = [config()]) => {
       return { rateBps: rate, observationId }
     }
   }
-  const cleanup = mock(async () => {
+  const cleanup = vi.fn(async () => {
     liveDesired.clear()
   })
   const make: LadderMakeService = {
@@ -197,7 +197,7 @@ describe('LadderMarketMakerService', () => {
     const cancellationHash: Hex = `0x${'bb'.repeat(32)}`
     const desired = new Map<Hex, LadderQuoteSet>()
     const controller = new AbortController()
-    const readMarket = mock(async () => state())
+    const readMarket = vi.fn(async () => state())
     const make: LadderMakeService = {
       readActive: async id => desired.get(id),
       reconcile: async parameters => {
@@ -371,7 +371,7 @@ describe('LadderMarketMakerService', () => {
 
   test('retains a confirmed ratification hash when publication later fails', async () => {
     const subject = harness()
-    subject.make.reconcile = mock(async () => {
+    subject.make.reconcile = vi.fn(async () => {
       throw new LadderAdapterError(
         'publication-transaction-reverted-after-ratification'
       ).recordConfirmedTransactions([{ operation: 'ratify', txHash: ratificationHash }])
diff --git a/bots/market-making/test/application/market-making/market-making-mutation.utils.test.ts b/bots/market-making/test/application/market-making/market-making-mutation.utils.test.ts
index d409e51a..323cbaff 100644
--- a/bots/market-making/test/application/market-making/market-making-mutation.utils.test.ts
+++ b/bots/market-making/test/application/market-making/market-making-mutation.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import type { BootstrapMakeService } from '../../../src/application/bootstrap/position-bootstrap.service'
 import type { LadderMakeService } from '../../../src/application/ladder/ladder-market-maker.service'
@@ -9,28 +9,28 @@ const marketId = `0x${'11'.repeat(32)}` as const
 
 const createServices = (events: string[]) => {
   const bootstrap: BootstrapMakeService = {
-    reconcile: mock(async () => {
+    reconcile: vi.fn(async () => {
       events.push('bootstrap:reconcile')
     }),
-    hardHalt: mock(async () => {
+    hardHalt: vi.fn(async () => {
       events.push('bootstrap:halt')
     }),
-    cleanup: mock(async () => {
+    cleanup: vi.fn(async () => {
       events.push('bootstrap:cleanup')
     })
   }
   const ladder: LadderMakeService = {
-    readActive: mock(async () => {
+    readActive: vi.fn(async () => {
       events.push('ladder:read')
       return undefined
     }),
-    reconcile: mock(async () => {
+    reconcile: vi.fn(async () => {
       events.push('ladder:reconcile')
     }),
-    hardHalt: mock(async () => {
+    hardHalt: vi.fn(async () => {
       events.push('ladder:halt')
     }),
-    cleanup: mock(async () => {
+    cleanup: vi.fn(async () => {
       events.push('ladder:cleanup')
     })
   }
@@ -42,7 +42,7 @@ describe('serializeMarketMakingWrites', () => {
     const events: string[] = []
     let releaseBootstrap: (() => void) | undefined
     const services = createServices(events)
-    services.bootstrap.reconcile = mock(
+    services.bootstrap.reconcile = vi.fn(
       () =>
         new Promise<void>(resolve => {
           events.push('bootstrap:start')
@@ -64,7 +64,7 @@ describe('serializeMarketMakingWrites', () => {
   test('continues draining mutations after a preceding operation rejects', async () => {
     const events: string[] = []
     const services = createServices(events)
-    services.bootstrap.cleanup = mock(async () => {
+    services.bootstrap.cleanup = vi.fn(async () => {
       events.push('bootstrap:failed')
       throw new TypeError('publication failed')
     })
@@ -82,7 +82,7 @@ describe('serializeMarketMakingWrites', () => {
     const events: string[] = []
     let releaseBootstrap: (() => void) | undefined
     const services = createServices(events)
-    services.bootstrap.hardHalt = mock(
+    services.bootstrap.hardHalt = vi.fn(
       () =>
         new Promise<void>(resolve => {
           events.push('bootstrap:start')
diff --git a/bots/market-making/test/application/market-making/market-making.service.test.ts b/bots/market-making/test/application/market-making/market-making.service.test.ts
index 0cfc76a3..8df49f3c 100644
--- a/bots/market-making/test/application/market-making/market-making.service.test.ts
+++ b/bots/market-making/test/application/market-making/market-making.service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type {
   MarketMakingBootstrapMonitor,
diff --git a/bots/market-making/test/application/operator-error-name.utils.test.ts b/bots/market-making/test/application/operator-error-name.utils.test.ts
index 74b0f34e..16723c70 100644
--- a/bots/market-making/test/application/operator-error-name.utils.test.ts
+++ b/bots/market-making/test/application/operator-error-name.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { MarketMakingMonitorHaltedError } from '../../src/application/market-making/market-making-monitor-halted.error'
 import {
diff --git a/bots/market-making/test/application/setup/setup-check.service.test.ts b/bots/market-making/test/application/setup/setup-check.service.test.ts
index 630c55e3..e104841f 100644
--- a/bots/market-making/test/application/setup/setup-check.service.test.ts
+++ b/bots/market-making/test/application/setup/setup-check.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import {
   SetupCheckService,
@@ -323,8 +323,8 @@ describe('SetupCheckService', () => {
 
     const readiness = new SetupCheckService(state, config).assertReady()
 
-    expect(readiness).rejects.toBeInstanceOf(SetupFailedError)
-    expect(readiness).rejects.toMatchObject({
+    await expect(readiness).rejects.toBeInstanceOf(SetupFailedError)
+    await expect(readiness).rejects.toMatchObject({
       report: {
         ready: false,
         checks: expect.arrayContaining([
diff --git a/bots/market-making/test/application/version.service.test.ts b/bots/market-making/test/application/version.service.test.ts
index a9cfb1d6..f2352dc7 100644
--- a/bots/market-making/test/application/version.service.test.ts
+++ b/bots/market-making/test/application/version.service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { VersionService } from '../../src/application/version.service'
 
diff --git a/bots/market-making/test/bootstrap.test.ts b/bots/market-making/test/bootstrap.test.ts
index dc4a72bb..35b3817c 100644
--- a/bots/market-making/test/bootstrap.test.ts
+++ b/bots/market-making/test/bootstrap.test.ts
@@ -1,9 +1,10 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, mock, spyOn, test } from 'bun:test'
 import { mkdtemp, rm, writeFile } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
+import { setTimeout as sleep } from 'node:timers/promises'
+import { describe, expect, test, vi } from 'vitest'
 
 import type {
   SetupCheckReport,
@@ -333,7 +334,7 @@ describe('createApplication', () => {
 
   test('starts a hardcoded-only bootstrap workflow without Blue reference readiness', async () => {
     const state = readyState()
-    const checkReference = mock(async () => {
+    const checkReference = vi.fn(async () => {
       throw new Error('Blue archive unavailable')
     })
     state.checkReference = checkReference
@@ -386,7 +387,7 @@ describe('createApplication', () => {
 
   test('keeps Blue reference readiness fail-closed for variable-rate bootstrap workflows', async () => {
     const state = readyState()
-    const checkReference = mock(async () => {
+    const checkReference = vi.fn(async () => {
       throw new Error('Blue archive unavailable')
     })
     state.checkReference = checkReference
@@ -409,10 +410,10 @@ describe('createApplication', () => {
 
   test('keeps Blue reference readiness fail-closed for variable-rate ladder workflows', async () => {
     const state = readyState()
-    const checkReference = mock(async () => {
+    const checkReference = vi.fn(async () => {
       throw new Error('Blue archive unavailable')
     })
-    const createLadderAdapters = mock(() => {
+    const createLadderAdapters = vi.fn(() => {
       throw new Error('ladder adapters must not start')
     })
     state.checkReference = checkReference
@@ -437,7 +438,7 @@ describe('createApplication', () => {
 
   test('starts a hardcoded-only ladder workflow without Blue reference readiness', async () => {
     const state = readyState()
-    const checkReference = mock(async () => {
+    const checkReference = vi.fn(async () => {
       throw new Error('Blue archive unavailable')
     })
     state.checkReference = checkReference
@@ -481,7 +482,7 @@ describe('createApplication', () => {
 
   test('setup-check composes hardcoded bootstrap and ladder strategies without Blue reference readiness', async () => {
     const state = readyState()
-    const checkReference = mock(async () => {
+    const checkReference = vi.fn(async () => {
       throw new Error('Blue archive unavailable')
     })
     state.checkReference = checkReference
@@ -643,8 +644,8 @@ describe('createApplication', () => {
   })
 
   test('routes --readonly bootstrap make operations to terminal output', async () => {
-    const reconcile = mock(async () => {})
-    const hardHalt = mock(async () => {})
+    const reconcile = vi.fn(async () => {})
+    const hardHalt = vi.fn(async () => {})
     const events: unknown[] = []
     const bootstrapEnvironment = {
       ...environment,
@@ -751,7 +752,7 @@ describe('createApplication', () => {
     await writeStarted.promise
     const state = await Promise.race([
       run.then(() => 'completed' as const),
-      Bun.sleep(20).then(() => 'pending' as const)
+      sleep(20).then(() => 'pending' as const)
     ])
     releaseWrite.resolve()
 
@@ -760,9 +761,9 @@ describe('createApplication', () => {
   })
 
   test('routes --readonly ladder make operations to terminal output', async () => {
-    const reconcile = mock(async () => {})
-    const hardHalt = mock(async () => {})
-    const validateReconcile = mock(async () => {})
+    const reconcile = vi.fn(async () => {})
+    const hardHalt = vi.fn(async () => {})
+    const validateReconcile = vi.fn(async () => {})
     const events: unknown[] = []
     const application = createApplication(
       {
@@ -826,7 +827,7 @@ describe('createApplication', () => {
       }
     )
 
-    expect(
+    await expect(
       application.run(['--readonly', 'ladder'], {
         writeEvent: async () => {
           throw writeError
@@ -839,10 +840,10 @@ describe('createApplication', () => {
   })
 
   test('runs the exact read-only ladder monitor surface without loading or invoking a signer', async () => {
-    const reconcile = mock(async () => {})
-    const hardHalt = mock(async () => {})
-    const cleanup = mock(async () => {})
-    const terminal = spyOn(console, 'log').mockImplementation(() => {})
+    const reconcile = vi.fn(async () => {})
+    const hardHalt = vi.fn(async () => {})
+    const cleanup = vi.fn(async () => {})
+    const terminal = vi.spyOn(console, 'log').mockImplementation(() => {})
     const controller = new AbortController()
     controller.abort()
     const application = createApplication(
@@ -889,8 +890,8 @@ describe('createApplication', () => {
   })
 
   test('composes the combined start lifecycle and drains both writer cleanups', async () => {
-    const bootstrapCleanup = mock(async () => {})
-    const ladderCleanup = mock(async () => {})
+    const bootstrapCleanup = vi.fn(async () => {})
+    const ladderCleanup = vi.fn(async () => {})
     const controller = new AbortController()
     controller.abort()
     const application = createApplication(
@@ -970,7 +971,7 @@ describe('createApplication', () => {
   })
 
   test('combined start composes hardcoded bootstrap and ladder workflows without Blue reference readiness', async () => {
-    const checkReference = mock(async () => {
+    const checkReference = vi.fn(async () => {
       throw new Error('Blue archive unavailable')
     })
     const state = readyState()
@@ -1146,6 +1147,6 @@ setup:
     state.getChainId = async () => 1
     const application = createApplication(environment, { createState: () => state })
 
-    expect(application.run(['setup-check'])).rejects.toBeInstanceOf(SetupFailedError)
+    await expect(application.run(['setup-check'])).rejects.toBeInstanceOf(SetupFailedError)
   })
 })
diff --git a/bots/market-making/test/config/config-loading.test.ts b/bots/market-making/test/config/config-loading.test.ts
index aa8d108c..27cc9220 100644
--- a/bots/market-making/test/config/config-loading.test.ts
+++ b/bots/market-making/test/config/config-loading.test.ts
@@ -1,9 +1,10 @@
 import type { Hex } from 'viem'
 
-import { afterEach, describe, expect, test } from 'bun:test'
+import { $ } from 'execa'
 import { mkdir, mkdtemp, rm, symlink, writeFile } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
+import { afterEach, describe, expect, test } from 'vitest'
 
 import { ConfigFileError } from '../../src/config/config-file.error'
 import {
@@ -41,9 +42,8 @@ const temporaryDirectory = async () => {
 }
 
 const createFifo = async (path: string) => {
-  const process = Bun.spawn(['mkfifo', path], { stderr: 'pipe' })
-  const exitCode = await process.exited
-  if (exitCode !== 0) throw new Error('Unable to create FIFO test fixture')
+  const { failed } = await $({ reject: false })`mkfifo ${path}`
+  if (failed) throw new Error('Unable to create FIFO test fixture')
 }
 
 const loadInBoundedSubprocess = async (options: { configPath?: string; cwd: string }) => {
@@ -57,21 +57,21 @@ const loadInBoundedSubprocess = async (options: { configPath?: string; cwd: stri
       console.log(JSON.stringify({ reason: error?.reason ?? 'unexpected' }))
     }
   `
-  const process = Bun.spawn([Bun.which('bun') ?? 'bun', '-e', script], {
-    stdout: 'pipe',
-    stderr: 'pipe'
-  })
-  let timedOut = false
-  const timeout = setTimeout(() => {
-    timedOut = true
-    process.kill()
-  }, 1_000)
-  const exitCode = await process.exited
-  clearTimeout(timeout)
+  // `node -e` cannot import TypeScript, so tsx is registered as a loader for the inline module. That
+  // specifier resolves from the workspace root, which is why `tsx` stays a root devDependency (knip
+  // cannot see a usage inside `--import`, so the root workspace ignores it explicitly). execa's own
+  // timeout enforces the bound instead of a manual kill. The bound is what this suite is
+  // really asserting: reading a FIFO would block forever, so any finite completion proves the loader
+  // fails closed. It is 10s rather than the 1s bun used because a tsx cold start alone costs ~1.3s —
+  // well under the bound, but not under one sized for bun's interpreter startup.
+  const result = await $({
+    reject: false,
+    timeout: 10_000
+  })`node --import tsx --input-type=module -e ${script}`
   return {
-    exitCode,
-    timedOut,
-    stdout: await new Response(process.stdout).text()
+    exitCode: result.exitCode ?? null,
+    timedOut: result.timedOut,
+    stdout: result.stdout
   }
 }
 
diff --git a/bots/market-making/test/config/config-private-key.test.ts b/bots/market-making/test/config/config-private-key.test.ts
index da1e8789..6655ef54 100644
--- a/bots/market-making/test/config/config-private-key.test.ts
+++ b/bots/market-making/test/config/config-private-key.test.ts
@@ -1,6 +1,6 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { ConfigValidationError } from '../../src/config/config-validation.error'
 import { ConfigService } from '../../src/config/config.service'
diff --git a/bots/market-making/test/config/config.service.test.ts b/bots/market-making/test/config/config.service.test.ts
index cf38a184..4bf7fdde 100644
--- a/bots/market-making/test/config/config.service.test.ts
+++ b/bots/market-making/test/config/config.service.test.ts
@@ -1,7 +1,7 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
 import { bytesToHex, hexToBytes } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import { ConfigValidationError } from '../../src/config/config-validation.error'
 import { ConfigService } from '../../src/config/config.service'
diff --git a/bots/market-making/test/config/config.utils.test.ts b/bots/market-making/test/config/config.utils.test.ts
index b0eafe5b..b61fb5c1 100644
--- a/bots/market-making/test/config/config.utils.test.ts
+++ b/bots/market-making/test/config/config.utils.test.ts
@@ -1,7 +1,7 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
 import { bytesToHex, getAddress, hexToBytes } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import { parseAddress, parseBytes32 } from '../../src/config/config.utils'
 
diff --git a/bots/market-making/test/config/key-storage.test.ts b/bots/market-making/test/config/key-storage.test.ts
index 50aab460..f3f32647 100644
--- a/bots/market-making/test/config/key-storage.test.ts
+++ b/bots/market-making/test/config/key-storage.test.ts
@@ -1,7 +1,8 @@
-import { afterEach, describe, expect, mock, test } from 'bun:test'
 import { mkdtemp, rm, writeFile } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
+import { inspect } from 'node:util'
+import { afterEach, describe, expect, test, vi } from 'vitest'
 
 import { ConfigValidationError } from '../../src/config/config-validation.error'
 import { ConfigService } from '../../src/config/config.service'
@@ -28,7 +29,7 @@ const configurationYaml = (identity: string) =>
   `chain:\n  id: 8453\n  rpcUrl: https://yaml-rpc.example\n  archiveRpcUrl: https://archive.example\nidentity:\n${identity}\ncontracts:\n  midnightAddress: 0x2222222222222222222222222222222222222222\n  loanAssetAddress: 0x3333333333333333333333333333333333333333\n  ratifierAddress: 0x4444444444444444444444444444444444444444\napis:\n  morphoBaseUrl: https://api.example\n  routerBaseUrl: https://router.example\nmarkets:\n  allowlist: [0x${'55'.repeat(32)}]\n  referenceMarketId: 0x${'77'.repeat(32)}\nsetup:\n  nativeReserveWei: 10\n  maximumLendExposureAssets: 100\n`
 
 afterEach(async () => {
-  mock.restore()
+  vi.restoreAllMocks()
   await Promise.all(directories.splice(0).map(path => rm(path, { recursive: true })))
 })
 
@@ -38,7 +39,7 @@ describe('maker key storage configuration', () => {
     expect(config.keyStorageMethod).toBe('private-key')
     expect(config.identity).toMatchObject({ method: 'private-key', privateKey })
     expect(JSON.stringify(config.identity)).not.toContain(privateKey)
-    expect(Bun.inspect(config.identity)).not.toContain(privateKey)
+    expect(inspect(config.identity)).not.toContain(privateKey)
   })
 
   test('loads a keystore with a direct password without exposing the password through serialization', () => {
@@ -56,9 +57,9 @@ describe('maker key storage configuration', () => {
       password
     })
     expect(JSON.stringify(config)).not.toContain(password)
-    expect(Bun.inspect(config)).not.toContain(password)
+    expect(inspect(config)).not.toContain(password)
     expect(JSON.stringify(config.identity)).not.toContain(password)
-    expect(Bun.inspect(config.identity)).not.toContain(password)
+    expect(inspect(config.identity)).not.toContain(password)
   })
 
   test('rejects only a truly empty keystore password while preserving whitespace byte-for-byte', () => {
@@ -82,7 +83,7 @@ describe('maker key storage configuration', () => {
   })
 
   test('loads a keystore password from the interactive reader', async () => {
-    const readPassword = mock(async () => '  prompted-秘密🔐  ')
+    const readPassword = vi.fn(async () => '  prompted-秘密🔐  ')
     const config = await ConfigService.load(
       {
         ...baseEnvironment,
@@ -97,7 +98,7 @@ describe('maker key storage configuration', () => {
   })
 
   test('normalizes keystore selectors before resolving an empty interactive password', async () => {
-    const readPassword = mock(async () => 'prompted-password')
+    const readPassword = vi.fn(async () => 'prompted-password')
     const config = await ConfigService.load(
       {
         ...baseEnvironment,
diff --git a/bots/market-making/test/config/ladder-config.test.ts b/bots/market-making/test/config/ladder-config.test.ts
index 02d6a961..1ba7373d 100644
--- a/bots/market-making/test/config/ladder-config.test.ts
+++ b/bots/market-making/test/config/ladder-config.test.ts
@@ -1,9 +1,9 @@
 import type { Hex } from 'viem'
 
-import { afterEach, describe, expect, test } from 'bun:test'
 import { mkdtemp, rm, writeFile } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
+import { afterEach, describe, expect, test } from 'vitest'
 
 import { ConfigValidationError } from '../../src/config/config-validation.error'
 import { ConfigService } from '../../src/config/config.service'
diff --git a/bots/market-making/test/domain/bootstrap/position-bootstrap.test.ts b/bots/market-making/test/domain/bootstrap/position-bootstrap.test.ts
index 4c02bcc8..8fcc2e76 100644
--- a/bots/market-making/test/domain/bootstrap/position-bootstrap.test.ts
+++ b/bots/market-making/test/domain/bootstrap/position-bootstrap.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { BootstrapConfigurationError } from '../../../src/domain/bootstrap/bootstrap-configuration.error'
 import {
@@ -39,7 +39,7 @@ const parameters = {
 }
 
 describe('validateBootstrapConfig', () => {
-  test.each(['0x12', `0x${'gg'.repeat(32)}`, `0x${'11'.repeat(31)}`])(
+  test.each<`0x${string}`>(['0x12', `0x${'gg'.repeat(32)}`, `0x${'11'.repeat(31)}`])(
     'rejects malformed market id %s',
     malformedMarketId => {
       expect(() =>
diff --git a/bots/market-making/test/domain/ladder/ladder.test.ts b/bots/market-making/test/domain/ladder/ladder.test.ts
index 27e25679..89dea49d 100644
--- a/bots/market-making/test/domain/ladder/ladder.test.ts
+++ b/bots/market-making/test/domain/ladder/ladder.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import {
   generateLadder,
diff --git a/bots/market-making/test/e2e/anvil.ts b/bots/market-making/test/e2e/anvil.ts
index d9f28316..ebc724c3 100644
--- a/bots/market-making/test/e2e/anvil.ts
+++ b/bots/market-making/test/e2e/anvil.ts
@@ -1,11 +1,15 @@
-import type { Subprocess } from 'bun'
+import type { ChildProcess } from 'node:child_process'
 
+import { spawn } from 'node:child_process'
+import { setTimeout as sleep } from 'node:timers/promises'
 import { createTestClient, http, publicActions } from 'viem'
 import { base } from 'viem/chains'
 
 import { AnvilStartupError } from './anvil-startup.error'
 
 const BASE_FORK_BLOCK = 48_900_000n
+// 8546 is this suite's slot in the repo-wide anvil port registry (see the liquidation bots'
+// fork harnesses); vitest runs test files in parallel, so the ports must not overlap.
 const DEFAULT_ANVIL_PORT = 8546
 const STARTUP_POLL_INTERVAL_MS = 100
 const STARTUP_TIMEOUT_MS = 10_000
@@ -29,8 +33,10 @@ const requireForkUrl = () => {
 
 export type AnvilHandle = {
   client: ReturnType<typeof createAnvilClient>
-  process: Subprocess
+  process: ChildProcess
   rpcUrl: string
+  /** Resolves once the child has actually exited. Node has no `.exited`, so it is built at spawn. */
+  exited: Promise<void>
 }
 
 const waitForAnvil = async (handle: AnvilHandle) => {
@@ -51,7 +57,7 @@ const waitForAnvil = async (handle: AnvilHandle) => {
       cause = error
     }
 
-    await Bun.sleep(STARTUP_POLL_INTERVAL_MS)
+    await sleep(STARTUP_POLL_INTERVAL_MS)
   }
 
   throw new AnvilStartupError(`Anvil was not ready within ${STARTUP_TIMEOUT_MS}ms`, { cause })
@@ -68,7 +74,7 @@ export const stopAnvil = async (handle: AnvilHandle | undefined) => {
   if (!handle) return
 
   if (handle.process.exitCode === null) handle.process.kill('SIGKILL')
-  await handle.process.exited
+  await handle.exited
 }
 
 /**
@@ -83,9 +89,9 @@ export const stopAnvil = async (handle: AnvilHandle | undefined) => {
  */
 export const startAnvil = async (port = DEFAULT_ANVIL_PORT): Promise<AnvilHandle> => {
   const forkUrl = requireForkUrl()
-  const process = Bun.spawn(
+  const child = spawn(
+    'anvil',
     [
-      Bun.which('anvil') ?? 'anvil',
       '--fork-url',
       forkUrl,
       '--fork-block-number',
@@ -99,10 +105,14 @@ export const startAnvil = async (port = DEFAULT_ANVIL_PORT): Promise<AnvilHandle
       '--hardfork',
       'osaka'
     ],
-    { stdout: 'ignore', stderr: 'ignore' }
+    { stdio: 'ignore' }
   )
   const rpcUrl = `http://127.0.0.1:${port}`
-  const handle = { client: createAnvilClient(rpcUrl), process, rpcUrl }
+  // Attach the exit listener before anything can await it, so a fast failure is never missed.
+  const exited = new Promise<void>(resolve => {
+    child.once('exit', () => resolve())
+  })
+  const handle = { client: createAnvilClient(rpcUrl), process: child, rpcUrl, exited }
 
   try {
     await waitForAnvil(handle)
diff --git a/bots/market-making/test/e2e/setup-api.ts b/bots/market-making/test/e2e/setup-api.ts
index 943afc3d..4730e511 100644
--- a/bots/market-making/test/e2e/setup-api.ts
+++ b/bots/market-making/test/e2e/setup-api.ts
@@ -1,4 +1,7 @@
-import type { Server } from 'bun'
+import type { IncomingMessage, Server, ServerResponse } from 'node:http'
+import type { AddressInfo } from 'node:net'
+
+import { createServer } from 'node:http'
 
 import { ECRECOVER_RATIFIER, MARKET, MARKET_ID } from './constants'
 
@@ -58,19 +61,63 @@ const route = (request: Request) => {
 
 export type SetupApiHandle = {
   baseUrl: string
-  server: Server<undefined>
+  server: Server
 }
 
+// bun's `Bun.serve` took a Web-standard `(Request) => Response` handler directly. Node's http server
+// speaks IncomingMessage/ServerResponse, so this adapts between the two and leaves `route` untouched.
+// Node's request listener is void-returning, so the async work is wrapped: the promise is consumed
+// here and a handler failure answers 500 rather than surfacing as an unhandled rejection.
+const toNodeListener =
+  (handle: (incoming: IncomingMessage, outgoing: ServerResponse) => Promise<void>) =>
+  (incoming: IncomingMessage, outgoing: ServerResponse): void => {
+    void handle(incoming, outgoing).catch(() => {
+      if (!outgoing.headersSent) outgoing.writeHead(500)
+      outgoing.end()
+    })
+  }
+
+const toNodeHandler =
+  (handler: (request: Request) => Response) =>
+  async (
+    incoming: import('node:http').IncomingMessage,
+    outgoing: import('node:http').ServerResponse
+  ) => {
+    const url = `http://${incoming.headers.host ?? '127.0.0.1'}${incoming.url ?? '/'}`
+    const headers = new Headers()
+    for (const [key, value] of Object.entries(incoming.headers)) {
+      if (typeof value === 'string') headers.set(key, value)
+      else if (Array.isArray(value)) for (const v of value) headers.append(key, v)
+    }
+    const method = incoming.method ?? 'GET'
+    const body =
+      method === 'GET' || method === 'HEAD'
+        ? undefined
+        : await new Promise<Buffer>(resolve => {
+            const chunks: Buffer[] = []
+            incoming.on('data', chunk => chunks.push(chunk as Buffer))
+            incoming.on('end', () => resolve(Buffer.concat(chunks)))
+          })
+    const response = handler(
+      new Request(url, { method, headers, body: body ? new Uint8Array(body) : undefined })
+    )
+    outgoing.writeHead(response.status, Object.fromEntries(response.headers))
+    outgoing.end(Buffer.from(await response.arrayBuffer()))
+  }
+
 /**
  * Starts deterministic Morpho and Router API fixtures for setup-check provider reads.
  *
- * @returns A loopback API origin and the running Bun server.
+ * @returns A loopback API origin and the running Node http server.
  * @remarks The responses mirror the pinned market's immutable Base state and intentionally contain
- * no maker offers. The caller must pass the result to {@link stopSetupApi}.
+ * no maker offers. Binds port 0 so parallel suites cannot collide. The caller must pass the result to
+ * {@link stopSetupApi}.
  */
-export const startSetupApi = (): SetupApiHandle => {
-  const server = Bun.serve({ hostname: '127.0.0.1', port: 0, fetch: route })
-  return { baseUrl: server.url.origin, server }
+export const startSetupApi = async (): Promise<SetupApiHandle> => {
+  const server = createServer(toNodeListener(toNodeHandler(route)))
+  await new Promise<void>(resolve => server.listen(0, '127.0.0.1', resolve))
+  const { port } = server.address() as AddressInfo
+  return { baseUrl: `http://127.0.0.1:${port}`, server }
 }
 
 /**
@@ -80,5 +127,9 @@ export const startSetupApi = (): SetupApiHandle => {
  * @returns A promise that resolves after active connections close.
  */
 export const stopSetupApi = async (handle: SetupApiHandle | undefined) => {
-  if (handle) await handle.server.stop(true)
+  if (!handle) return
+  handle.server.closeAllConnections()
+  await new Promise<void>((resolve, reject) => {
+    handle.server.close(error => (error ? reject(error) : resolve()))
+  })
 }
diff --git a/bots/market-making/test/e2e/setup-check.e2e.test.ts b/bots/market-making/test/e2e/setup-check.e2e.test.ts
index 75634349..d8f00673 100644
--- a/bots/market-making/test/e2e/setup-check.e2e.test.ts
+++ b/bots/market-making/test/e2e/setup-check.e2e.test.ts
@@ -1,4 +1,4 @@
-import { afterAll, beforeAll, describe, expect, test } from 'bun:test'
+import { afterAll, beforeAll, describe, expect, test } from 'vitest'
 
 import type { SetupCheckReport } from '../../src/application/setup/setup-check.service'
 import type { AnvilHandle } from './anvil'
@@ -35,7 +35,7 @@ describe('market-making setup check on a pinned Base fork', () => {
 
   beforeAll(async () => {
     anvil = await startAnvil()
-    api = startSetupApi()
+    api = await startSetupApi()
 
     const setup = await setupMaker(anvil)
     expect(setup.balance).toBe(MAKER_USDC_BALANCE)
diff --git a/bots/market-making/test/error-convention.test.ts b/bots/market-making/test/error-convention.test.ts
index 5bb0adbc..8e7649ac 100644
--- a/bots/market-making/test/error-convention.test.ts
+++ b/bots/market-making/test/error-convention.test.ts
@@ -1,23 +1,16 @@
-import { describe, expect, test } from 'bun:test'
 import { readdirSync, readFileSync } from 'node:fs'
-import { basename, extname, join, relative } from 'node:path'
+import { basename, dirname, extname, join, relative } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import ts from 'typescript'
+import { describe, expect, test } from 'vitest'
 
-const packageRoot = join(import.meta.dir, '..')
-const roots = [
-  join(packageRoot, 'src'),
-  join(packageRoot, 'scripts'),
-  join(packageRoot, 'playground')
-]
+const packageRoot = join(dirname(fileURLToPath(import.meta.url)), '..')
+const roots = [join(packageRoot, 'src'), join(packageRoot, 'scripts')]
 const sourceFiles = roots.flatMap(root => {
   const walk = (directory: string): string[] =>
     readdirSync(directory, { withFileTypes: true }).flatMap(entry => {
       const path = join(directory, entry.name)
-      return entry.isDirectory()
-        ? walk(path)
-        : ['.ts', '.tsx'].includes(extname(path))
-          ? [path]
-          : []
+      return entry.isDirectory() ? walk(path) : extname(path) === '.ts' ? [path] : []
     })
   return walk(root)
 })
diff --git a/bots/market-making/test/infrastructure/bootstrap/bootstrap-make.service.test.ts b/bots/market-making/test/infrastructure/bootstrap/bootstrap-make.service.test.ts
index aeb240a1..4c255c6b 100644
--- a/bots/market-making/test/infrastructure/bootstrap/bootstrap-make.service.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/bootstrap-make.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { BootstrapSubmittedTransaction } from '../../../src/application/bootstrap/position-bootstrap-verbose'
 
@@ -76,204 +76,6 @@ describe('MidnightBootstrapMakeService', () => {
     expect(events).toEqual(['book', 'publish'])
   })
 
-  test('retains an active group when raw rates resolve to the same protocol tick', async () => {
-    const metadataUpdates: string[] = []
-    const preparePublication = mock(async () => ({
-      groupId: publishedGroupId,
-      publish: async () => publicationHash
-    }))
-    const invalidate = mock(async () => cancellationHash)
-    const service = new MidnightBootstrapMakeService({
-      listActiveGroups: async () => [
-        {
-          id: groupId,
-          marketId,
-          assets: 100n,
-          maximumAssets: 140n,
-          rateBps: 499n,
-          tick: 100n,
-          offerCount: 1,
-          continuousFeeCap: 17n
-        }
-      ],
-      listBookOffers: async () => [],
-      toProspectiveBookOffer: async () => ({
-        marketId,
-        buy: true,
-        tick: 100n,
-        continuousFeeCap: 17n
-      }),
-      preparePublication,
-      reserveGroup: async (id, offer) => {
-        metadataUpdates.push(
-          `reserve:${id}:${offer.assets}:${offer.rateBps}:${offer.tick}:${offer.continuousFeeCap}`
-        )
-      },
-      confirmPublishedGroup: async id => {
-        metadataUpdates.push(`confirm:${id}`)
-      },
-      releaseGroupReservation: async () => {},
-      invalidate
-    })
-
-    const result = await service.reconcile({ marketId, desiredOffer, reason: 'replace' })
-
-    expect(result).toBe('unchanged')
-    expect(preparePublication).not.toHaveBeenCalled()
-    expect(invalidate).not.toHaveBeenCalled()
-    expect(metadataUpdates).toEqual([`reserve:${groupId}:140:500:100:17`, `confirm:${groupId}`])
-  })
-
-  test('replaces a matching offer after the market continuous fee changes', async () => {
-    const events: string[] = []
-    const service = new MidnightBootstrapMakeService({
-      listActiveGroups: async () => [
-        {
-          id: groupId,
-          marketId,
-          assets: 100n,
-          maximumAssets: 100n,
-          rateBps: 500n,
-          tick: 100n,
-          offerCount: 1,
-          continuousFeeCap: 16n
-        }
-      ],
-      listBookOffers: async () => [],
-      toProspectiveBookOffer: async () => ({
-        marketId,
-        buy: true,
-        tick: 100n,
-        continuousFeeCap: 17n
-      }),
-      preparePublication: async () => ({
-        groupId: publishedGroupId,
-        tick: 100n,
-        publish: async () => {
-          events.push('publish')
-        }
-      }),
-      reserveGroup: async (id, offer) => {
-        events.push(`reserve:${id}:${offer.continuousFeeCap}`)
-      },
-      confirmPublishedGroup: async id => {
-        events.push(`confirm:${id}`)
-      },
-      releaseGroupReservation: async () => {},
-      invalidate: async id => {
-        events.push(`invalidate:${id}`)
-      }
-    })
-
-    await service.reconcile({ marketId, desiredOffer, reason: 'replace' })
-
-    expect(events).toEqual([
-      `reserve:${publishedGroupId}:17`,
-      `invalidate:${groupId}`,
-      'publish',
-      `confirm:${publishedGroupId}`
-    ])
-  })
-
-  test('replaces a matching projection when its group contains multiple offers', async () => {
-    const events: string[] = []
-    const service = new MidnightBootstrapMakeService({
-      listActiveGroups: async () => [
-        {
-          id: groupId,
-          marketId,
-          assets: 100n,
-          maximumAssets: 100n,
-          rateBps: 500n,
-          tick: 100n,
-          offerCount: 2
-        }
-      ],
-      listBookOffers: async () => [],
-      toProspectiveBookOffer: async () => ({ marketId, buy: true, tick: 100n }),
-      preparePublication: async () => ({
-        groupId: publishedGroupId,
-        tick: 100n,
-        publish: async () => {
-          events.push('publish')
-        }
-      }),
-      reserveGroup: async id => {
-        events.push(`reserve:${id}`)
-      },
-      confirmPublishedGroup: async id => {
-        events.push(`confirm:${id}`)
-      },
-      releaseGroupReservation: async () => {},
-      invalidate: async id => {
-        events.push(`invalidate:${id}`)
-      }
-    })
-
-    await service.reconcile({ marketId, desiredOffer, reason: 'replace' })
-
-    expect(events).toEqual([
-      `reserve:${publishedGroupId}`,
-      `invalidate:${groupId}`,
-      'publish',
-      `confirm:${publishedGroupId}`
-    ])
-  })
-
-  test('preserves duplicate cancellation evidence when retained metadata refresh fails', async () => {
-    const service = new MidnightBootstrapMakeService({
-      listActiveGroups: async () => [
-        {
-          id: groupId,
-          marketId,
-          assets: 100n,
-          maximumAssets: 100n,
-          rateBps: 500n,
-          tick: 100n,
-          offerCount: 1,
-          continuousFeeCap: 17n
-        },
-        {
-          id: publishedGroupId,
-          marketId,
-          assets: 100n,
-          rateBps: 500n,
-          tick: 100n,
-          offerCount: 1,
-          continuousFeeCap: 17n
-        }
-      ],
-      listBookOffers: async () => [],
-      toProspectiveBookOffer: async () => ({
-        marketId,
-        buy: true,
-        tick: 100n,
-        continuousFeeCap: 17n
-      }),
-      preparePublication: async () => ({
-        groupId: publishedGroupId,
-        publish: async () => publicationHash
-      }),
-      reserveGroup: async () => {
-        throw new BootstrapAdapterError('group-ownership-state')
-      },
-      confirmPublishedGroup: async () => {},
-      releaseGroupReservation: async () => {},
-      forgetGroups: async () => {},
-      invalidate: async () => cancellationHash
-    })
-
-    const error = await service
-      .reconcile({ marketId, desiredOffer, reason: 'replace' })
-      .catch(value => value)
-
-    expect(error).toBeInstanceOf(BootstrapAdapterError)
-    expect(error).toMatchObject({
-      operation: 'group-ownership-state',
-      confirmedTransactions: [{ operation: 'cancel', txHash: cancellationHash }]
-    })
-  })
-
   test('returns confirmed cancellation and publication hashes in submission order', async () => {
     const submitted: BootstrapSubmittedTransaction[] = []
     const service = new MidnightBootstrapMakeService({
diff --git a/bots/market-making/test/infrastructure/bootstrap/bootstrap-mempool-validation.utils.test.ts b/bots/market-making/test/infrastructure/bootstrap/bootstrap-mempool-validation.utils.test.ts
index 6d5ce85d..9f4ce2cc 100644
--- a/bots/market-making/test/infrastructure/bootstrap/bootstrap-mempool-validation.utils.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/bootstrap-mempool-validation.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { BootstrapAdapterError } from '../../../src/infrastructure/bootstrap/bootstrap-adapter.error'
 import { BootstrapMempoolValidationError } from '../../../src/infrastructure/bootstrap/bootstrap-mempool-validation.error'
diff --git a/bots/market-making/test/infrastructure/bootstrap/bootstrap-pending-offer.utils.test.ts b/bots/market-making/test/infrastructure/bootstrap/bootstrap-pending-offer.utils.test.ts
index 36944f77..7cc972a6 100644
--- a/bots/market-making/test/infrastructure/bootstrap/bootstrap-pending-offer.utils.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/bootstrap-pending-offer.utils.test.ts
@@ -1,26 +1,20 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { BootstrapRawGroup } from '../../../src/infrastructure/bootstrap/bootstrap-groups.utils'
 
-import {
-  pendingBootstrapOffers,
-  readLivePendingBootstrapOffers
-} from '../../../src/infrastructure/bootstrap/bootstrap-pending-offer.utils'
+import { pendingBootstrapOffers } from '../../../src/infrastructure/bootstrap/bootstrap-pending-offer.utils'
 
 const marketId: Hex = `0x${'11'.repeat(32)}`
 const groupId: Hex = `0x${'22'.repeat(32)}`
-const pendingGroupId: Hex = `0x${'44'.repeat(32)}`
 const maker: Address = '0x3333333333333333333333333333333333333333'
 const offer = {
   groupId,
   marketId,
   assets: 100n,
   rateBps: 450n,
-  referenceObservationId: 'blocks:100-200',
-  tick: 123n,
-  continuousFeeCap: 17n
+  referenceObservationId: 'blocks:100-200'
 }
 
 const indexedGroup = (consumed: bigint): BootstrapRawGroup => ({
@@ -34,7 +28,7 @@ const indexedGroup = (consumed: bigint): BootstrapRawGroup => ({
 })
 
 describe('pendingBootstrapOffers', () => {
-  test('selects persisted publication intent while API indexing is pending', () => {
+  test('projects persisted publication intent while API indexing is pending', () => {
     expect(pendingBootstrapOffers([], [offer])).toEqual([offer])
   })
 
@@ -46,78 +40,3 @@ describe('pendingBootstrapOffers', () => {
     }
   )
 })
-
-describe('readLivePendingBootstrapOffers', () => {
-  test('resolves an indexed owned group without persisted intent when offers are empty', async () => {
-    const readGroupConsumed = mock(async () => 0n)
-
-    const resolution = readLivePendingBootstrapOffers({
-      groups: [indexedGroup(0n)],
-      ownedGroupIds: [groupId],
-      offers: [],
-      readGroupConsumed
-    })
-
-    // Indexed groups are provider-projected, so they are absent from pending reconstruction output.
-    await expect(resolution).resolves.toEqual([])
-    expect(readGroupConsumed).not.toHaveBeenCalled()
-  })
-
-  test('accepts a provider-indexed owned group without persisted intent while resolving pending offers', async () => {
-    const readGroupConsumed = mock(async () => 40n)
-    const pendingOffer = { ...offer, groupId: pendingGroupId }
-
-    const result = await readLivePendingBootstrapOffers({
-      groups: [indexedGroup(0n)],
-      ownedGroupIds: [groupId, pendingGroupId],
-      offers: [pendingOffer],
-      readGroupConsumed
-    })
-
-    expect(result).toEqual([{ ...pendingOffer, maximumAssets: 100n, assets: 60n }])
-    expect(readGroupConsumed).toHaveBeenCalledTimes(1)
-    expect(readGroupConsumed).toHaveBeenCalledWith(pendingGroupId)
-  })
-
-  test('fails closed when an owned group is API-missing without persisted offer intent', async () => {
-    const readGroupConsumed = mock(async () => 0n)
-
-    await expect(
-      readLivePendingBootstrapOffers({
-        groups: [],
-        ownedGroupIds: [groupId],
-        offers: [],
-        readGroupConsumed
-      })
-    ).rejects.toMatchObject({ operation: 'missing-owned-group-intent' })
-    expect(readGroupConsumed).not.toHaveBeenCalled()
-  })
-
-  test('retains the remaining capacity of an API-missing partially consumed offer', async () => {
-    const readGroupConsumed = mock(async () => 40n)
-
-    const result = await readLivePendingBootstrapOffers({
-      groups: [],
-      ownedGroupIds: [groupId],
-      offers: [offer],
-      readGroupConsumed
-    })
-
-    expect(result).toEqual([{ ...offer, maximumAssets: 100n, assets: 60n }])
-    expect(readGroupConsumed).toHaveBeenCalledWith(groupId)
-  })
-
-  test('omits an API-missing offer that is fully consumed on-chain', async () => {
-    const readGroupConsumed = mock(async () => 100n)
-
-    const result = await readLivePendingBootstrapOffers({
-      groups: [],
-      ownedGroupIds: [groupId],
-      offers: [offer],
-      readGroupConsumed
-    })
-
-    expect(result).toEqual([])
-    expect(readGroupConsumed).toHaveBeenCalledWith(groupId)
-  })
-})
diff --git a/bots/market-making/test/infrastructure/bootstrap/bootstrap-position.service.test.ts b/bots/market-making/test/infrastructure/bootstrap/bootstrap-position.service.test.ts
index dab2b9b6..22b1effe 100644
--- a/bots/market-making/test/infrastructure/bootstrap/bootstrap-position.service.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/bootstrap-position.service.test.ts
@@ -1,6 +1,6 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { MidnightBootstrapPositionService } from '../../../src/infrastructure/bootstrap/bootstrap-position.service'
 
diff --git a/bots/market-making/test/infrastructure/bootstrap/bootstrap-reference-rate.service.test.ts b/bots/market-making/test/infrastructure/bootstrap/bootstrap-reference-rate.service.test.ts
index 7c67e3b6..0e25f497 100644
--- a/bots/market-making/test/infrastructure/bootstrap/bootstrap-reference-rate.service.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/bootstrap-reference-rate.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { afterEach, describe, expect, setSystemTime, test } from 'bun:test'
+import { afterEach, describe, expect, test, vi } from 'vitest'
 
 import { BootstrapAdapterError } from '../../../src/infrastructure/bootstrap/bootstrap-adapter.error'
 import {
@@ -11,7 +11,7 @@ import {
 const marketId = `0x${'11'.repeat(32)}` as const
 const secondMarketId = `0x${'22'.repeat(32)}` as const
 
-afterEach(() => setSystemTime())
+afterEach(() => vi.useRealTimers())
 
 describe('StrategyBootstrapReferenceRateService', () => {
   test('uses a configured hardcoded target without reading the Blue variable-rate average', async () => {
@@ -68,9 +68,9 @@ describe('StrategyBootstrapReferenceRateService', () => {
       { readRate: async () => ({ mode: 'variable', rateBps: 500n, observationId: 'hour:1' }) }
     )
 
-    setSystemTime(new Date(3_599_000))
+    vi.setSystemTime(new Date(3_599_000))
     const first = await service.readRate(marketId)
-    setSystemTime(new Date(3_600_000))
+    vi.setSystemTime(new Date(3_600_000))
     const second = await service.readRate(marketId)
 
     expect(first.observationId).toBe('static:400:hour:0')
diff --git a/bots/market-making/test/infrastructure/bootstrap/bootstrap-requirement-client.utils.test.ts b/bots/market-making/test/infrastructure/bootstrap/bootstrap-requirement-client.utils.test.ts
index 66fa4dab..85381394 100644
--- a/bots/market-making/test/infrastructure/bootstrap/bootstrap-requirement-client.utils.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/bootstrap-requirement-client.utils.test.ts
@@ -1,10 +1,10 @@
 import type { Address } from 'viem'
 
 import { EcrecoverRatifierUtils, Offer, Tree } from '@morpho-org/midnight-sdk'
-import { describe, expect, test } from 'bun:test'
 import { isHex, zeroAddress } from 'viem'
 import { privateKeyToAccount } from 'viem/accounts'
 import { base } from 'viem/chains'
+import { describe, expect, test } from 'vitest'
 
 import { createBootstrapRequirementClient } from '../../../src/infrastructure/bootstrap/bootstrap-requirement-client.utils'
 
diff --git a/bots/market-making/test/infrastructure/bootstrap/bootstrap-spread.utils.test.ts b/bots/market-making/test/infrastructure/bootstrap/bootstrap-spread.utils.test.ts
index e924ad4b..a7b62dc4 100644
--- a/bots/market-making/test/infrastructure/bootstrap/bootstrap-spread.utils.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/bootstrap-spread.utils.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { BootstrapAdapterError } from '../../../src/infrastructure/bootstrap/bootstrap-adapter.error'
 import {
diff --git a/bots/market-making/test/infrastructure/bootstrap/production-bootstrap.test.ts b/bots/market-making/test/infrastructure/bootstrap/production-bootstrap.test.ts
index 9431c82b..b545130f 100644
--- a/bots/market-making/test/infrastructure/bootstrap/production-bootstrap.test.ts
+++ b/bots/market-making/test/infrastructure/bootstrap/production-bootstrap.test.ts
@@ -10,11 +10,11 @@ import {
   type IMarketParams,
   setterRatifierAbi
 } from '@morpho-org/midnight-sdk'
-import { describe, expect, test } from 'bun:test'
 import { mkdtemp, rm } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { encodeFunctionData } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import { ConfigService } from '../../../src/config/config.service'
 import { BootstrapAdapterError } from '../../../src/infrastructure/bootstrap/bootstrap-adapter.error'
diff --git a/bots/market-making/test/infrastructure/cli/cli.test.ts b/bots/market-making/test/infrastructure/cli/cli.test.ts
index ebaa97ac..1d6fb2bc 100644
--- a/bots/market-making/test/infrastructure/cli/cli.test.ts
+++ b/bots/market-making/test/infrastructure/cli/cli.test.ts
@@ -1,4 +1,7 @@
-import { describe, expect, mock, test } from 'bun:test'
+import { $ } from 'execa'
+import { dirname } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { describe, expect, test, vi } from 'vitest'
 
 import type { LadderTransactionSubmittedEvent } from '../../../src/application/ladder/ladder-verbose'
 
@@ -37,21 +40,26 @@ const cli = (assertReady = async () => readyReport) => {
   )
 }
 
+const REPO_ROOT = `${dirname(fileURLToPath(import.meta.url))}/../../../../..`
+
+// The entrypoint is TypeScript, so the subprocess runs it through tsx rather than a bare node. `reject:
+// false` keeps a non-zero exit as a value (these tests assert on exit codes), and the env is passed
+// explicitly so no ambient config leaks in — only PATH plus whatever the case sets.
+const runEntrypointWith = async (
+  argv: readonly string[],
+  env: Record<string, string | undefined> = {}
+) => {
+  const { exitCode, stdout, stderr } = await $({
+    cwd: REPO_ROOT,
+    env: { PATH: process.env.PATH, ...env },
+    extendEnv: false,
+    reject: false
+  })`tsx bots/market-making/src/index.ts ${argv}`
+  return { exitCode: exitCode ?? 0, stdout, stderr }
+}
+
 const runEntrypoint = async (argv: readonly string[]) => {
-  const process = Bun.spawn(
-    [Bun.which('bun') ?? 'bun', 'bots/market-making/src/index.ts', ...argv],
-    {
-      cwd: `${import.meta.dir}/../../../../..`,
-      env: { PATH: Bun.env.PATH },
-      stdout: 'pipe',
-      stderr: 'pipe'
-    }
-  )
-  const [exitCode, stdout, stderr] = await Promise.all([
-    process.exited,
-    new Response(process.stdout).text(),
-    new Response(process.stderr).text()
-  ])
+  const { exitCode, stdout, stderr } = await runEntrypointWith(argv)
   return { exitCode, output: stdout + stderr }
 }
 
@@ -68,20 +76,7 @@ describe('Cli', () => {
   })
 
   test('entrypoint --version succeeds without loading runtime setup environment', async () => {
-    const process = Bun.spawn(
-      [Bun.which('bun') ?? 'bun', 'bots/market-making/src/index.ts', '--version'],
-      {
-        cwd: `${import.meta.dir}/../../../../..`,
-        env: { PATH: Bun.env.PATH },
-        stdout: 'pipe',
-        stderr: 'pipe'
-      }
-    )
-    const [exitCode, stdout, stderr] = await Promise.all([
-      process.exited,
-      new Response(process.stdout).text(),
-      new Response(process.stderr).text()
-    ])
+    const { exitCode, stdout, stderr } = await runEntrypointWith(['--version'])
 
     expect(exitCode).toBe(0)
     expect(stdout.trim()).toBe('0.0.0')
@@ -89,20 +84,7 @@ describe('Cli', () => {
   })
 
   test('entrypoint --json --version emits a valid JSON string', async () => {
-    const process = Bun.spawn(
-      [Bun.which('bun') ?? 'bun', 'bots/market-making/src/index.ts', '--json', '--version'],
-      {
-        cwd: `${import.meta.dir}/../../../../..`,
-        env: { PATH: Bun.env.PATH },
-        stdout: 'pipe',
-        stderr: 'pipe'
-      }
-    )
-    const [exitCode, stdout, stderr] = await Promise.all([
-      process.exited,
-      new Response(process.stdout).text(),
-      new Response(process.stderr).text()
-    ])
+    const { exitCode, stdout, stderr } = await runEntrypointWith(['--json', '--version'])
 
     expect(exitCode).toBe(0)
     expect(JSON.parse(stdout)).toBe('0.0.0')
@@ -127,37 +109,23 @@ describe('Cli', () => {
       'fragment',
       '"origin"'
     ]
-    const process = Bun.spawn(
-      [Bun.which('bun') ?? 'bun', 'bots/market-making/src/index.ts', 'setup-check'],
-      {
-        cwd: `${import.meta.dir}/../../../../..`,
-        env: {
-          PATH: Bun.env.PATH,
-          CHAIN_ID: '8453',
-          RPC_URL: `https://${markers[0]}:${markers[1]}@127.0.0.1:1/rpc?key=${markers[2]}#fragment`,
-          REFERENCE_RPC_URL: `http://127.0.0.1:1/archive?token=${markers[3]}`,
-          MAKER_PRIVATE_KEY: `0x${'11'.repeat(32)}`,
-          MAKER_ADDRESS: '0x19E7E376E7C213B7E7e7e46cc70A5dD086DAff2A',
-          MIDNIGHT_ADDRESS: '0x2222222222222222222222222222222222222222',
-          LOAN_ASSET_ADDRESS: '0x3333333333333333333333333333333333333333',
-          RATIFIER_ADDRESS: '0xd6e70365C8E8DDa9a4ca662C07bbE663b017755E',
-          MARKET_IDS: `0x${'55'.repeat(32)}`,
-          REFERENCE_MARKET_ID: `0x${'77'.repeat(32)}`,
-          NATIVE_RESERVE_WEI: '10',
-          MAXIMUM_LEND_EXPOSURE_ASSETS: '100',
-          MORPHO_API_BASE_URL: `http://127.0.0.1:1/morpho?key=${markers[4]}`,
-          ROUTER_API_BASE_URL: `http://127.0.0.1:1/router?key=${markers[5]}`,
-          REQUEST_TIMEOUT_MS: '50'
-        },
-        stdout: 'pipe',
-        stderr: 'pipe'
-      }
-    )
-    const [exitCode, stdout, stderr] = await Promise.all([
-      process.exited,
-      new Response(process.stdout).text(),
-      new Response(process.stderr).text()
-    ])
+    const { exitCode, stdout, stderr } = await runEntrypointWith(['setup-check'], {
+      CHAIN_ID: '8453',
+      RPC_URL: `https://${markers[0]}:${markers[1]}@127.0.0.1:1/rpc?key=${markers[2]}#fragment`,
+      REFERENCE_RPC_URL: `http://127.0.0.1:1/archive?token=${markers[3]}`,
+      MAKER_PRIVATE_KEY: `0x${'11'.repeat(32)}`,
+      MAKER_ADDRESS: '0x19E7E376E7C213B7E7e7e46cc70A5dD086DAff2A',
+      MIDNIGHT_ADDRESS: '0x2222222222222222222222222222222222222222',
+      LOAN_ASSET_ADDRESS: '0x3333333333333333333333333333333333333333',
+      RATIFIER_ADDRESS: '0xd6e70365C8E8DDa9a4ca662C07bbE663b017755E',
+      MARKET_IDS: `0x${'55'.repeat(32)}`,
+      REFERENCE_MARKET_ID: `0x${'77'.repeat(32)}`,
+      NATIVE_RESERVE_WEI: '10',
+      MAXIMUM_LEND_EXPOSURE_ASSETS: '100',
+      MORPHO_API_BASE_URL: `http://127.0.0.1:1/morpho?key=${markers[4]}`,
+      ROUTER_API_BASE_URL: `http://127.0.0.1:1/router?key=${markers[5]}`,
+      REQUEST_TIMEOUT_MS: '50'
+    })
     const output = stdout + stderr
 
     expect(exitCode).toBe(1)
@@ -272,8 +240,8 @@ describe('Cli', () => {
       reason: 'signal' as const,
       cycles: 1
     }
-    const assertReady = mock(async () => readyReport)
-    const runContinuously = mock(
+    const assertReady = vi.fn(async () => readyReport)
+    const runContinuously = vi.fn(
       async (parameters: {
         signal: AbortSignal
         onCycle?: (result: typeof readyReport) => void | Promise<void>
@@ -328,7 +296,7 @@ describe('Cli', () => {
   })
 
   test('mm bootstrap triggers one explicit position-bootstrap run', async () => {
-    const runOnce = mock(async () => [
+    const runOnce = vi.fn(async () => [
       { marketId: `0x${'11'.repeat(32)}`, status: 'applied', action: 'publish', assets: 10n }
     ])
     const application = new Cli(
@@ -347,7 +315,7 @@ describe('Cli', () => {
 
   test('mm bootstrap --verbose requests expanded bootstrap diagnostics', async () => {
     const txHash = `0x${'aa'.repeat(32)}` as const
-    const runOnce = mock(
+    const runOnce = vi.fn(
       async (parameters?: {
         verbose?: boolean
         onTransactionSubmitted?: (event: {
@@ -397,8 +365,8 @@ describe('Cli', () => {
       cycles: 1,
       cleanup: { status: 'applied' as const }
     }
-    const runOnce = mock(async () => [])
-    const runContinuously = mock(
+    const runOnce = vi.fn(async () => [])
+    const runContinuously = vi.fn(
       async (parameters: {
         signal: AbortSignal
         onCycle?: (result: readonly { status: string; [key: string]: unknown }[]) => void
@@ -432,7 +400,7 @@ describe('Cli', () => {
 
   test('mm bootstrap --monitor --verbose forwards verbose monitoring', async () => {
     const controller = new AbortController()
-    const runContinuously = mock(
+    const runContinuously = vi.fn(
       async (_parameters: { signal: AbortSignal; verbose?: boolean }) => ({
         status: 'stopped' as const,
         reason: 'signal' as const,
@@ -490,9 +458,9 @@ describe('Cli', () => {
   })
 
   test('mm ladder is exposed alongside setup-check and bootstrap', async () => {
-    const assertReady = mock(async () => readyReport)
-    const bootstrap = mock(async () => [])
-    const runOnce = mock(async () => [
+    const assertReady = vi.fn(async () => readyReport)
+    const bootstrap = vi.fn(async () => [])
+    const runOnce = vi.fn(async () => [
       { marketId: `0x${'11'.repeat(32)}`, status: 'observed', action: 'rest' }
     ])
     const application = new Cli(
@@ -519,7 +487,7 @@ describe('Cli', () => {
       matchedGroups: 1,
       invalidatedGroups: [{ groupId, txHash }]
     }
-    const run = mock(
+    const run = vi.fn(
       async (parameters?: {
         groupId?: `0x${string}`
         onTransactionSubmitted?: (event: {
@@ -561,7 +529,7 @@ describe('Cli', () => {
   test('mm invalidate canonicalizes one explicit group and forwards read-only mode', async () => {
     const groupId = `0x${'ab'.repeat(32)}` as const
     let readOnly: boolean | undefined
-    const run = mock(async (_parameters?: { groupId?: `0x${string}` }) => ({
+    const run = vi.fn(async (_parameters?: { groupId?: `0x${string}` }) => ({
       status: 'logged' as const,
       scope: 'group' as const,
       matchedGroups: 1,
@@ -585,7 +553,7 @@ describe('Cli', () => {
   })
 
   test('mm invalidate rejects a malformed group before constructing the writer', async () => {
-    const invalidation = mock(() => ({ run: async () => undefined as never }))
+    const invalidation = vi.fn(() => ({ run: async () => undefined as never }))
     const application = new Cli(
       new VersionService(),
       () => ({ assertReady: async () => readyReport }),
@@ -611,7 +579,7 @@ describe('Cli', () => {
       cleanup: { status: 'logged' as const }
     }
     let readOnly: boolean | undefined
-    const runContinuously = mock(
+    const runContinuously = vi.fn(
       async (parameters: {
         signal: AbortSignal
         verbose?: boolean
@@ -730,7 +698,7 @@ describe('Cli', () => {
     }
     let readOnly: boolean | undefined
     let factoryWriteEvent: ((value: unknown) => void | Promise<void>) | undefined
-    const runContinuously = mock(
+    const runContinuously = vi.fn(
       async (parameters: {
         signal: AbortSignal
         verbose?: boolean
@@ -1219,6 +1187,8 @@ describe('Cli', () => {
   test('propagates a readiness failure for a deterministic non-zero entrypoint exit', async () => {
     const failure = new Error('Setup check failed: chain')
 
-    expect(cli(async () => Promise.reject(failure)).run(['setup-check'])).rejects.toBe(failure)
+    await expect(cli(async () => Promise.reject(failure)).run(['setup-check'])).rejects.toBe(
+      failure
+    )
   })
 })
diff --git a/bots/market-making/test/infrastructure/cli/key-storage-cli.test.ts b/bots/market-making/test/infrastructure/cli/key-storage-cli.test.ts
index f6909afa..f912dc52 100644
--- a/bots/market-making/test/infrastructure/cli/key-storage-cli.test.ts
+++ b/bots/market-making/test/infrastructure/cli/key-storage-cli.test.ts
@@ -1,4 +1,7 @@
-import { describe, expect, test } from 'bun:test'
+import { execa } from 'execa'
+import { dirname } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { describe, expect, test } from 'vitest'
 
 import { VersionService } from '../../../src/application/version.service'
 import { Cli } from '../../../src/infrastructure/cli/cli'
@@ -113,23 +116,15 @@ describe('maker key storage CLI options', () => {
 
   test('entrypoint --help emits both argv warnings without exposing an ambient secret', async () => {
     const secret = 'must-not-appear-in-help-output'
-    const process = Bun.spawn(
-      [Bun.which('bun') ?? 'bun', 'bots/market-making/src/index.ts', '--help'],
-      {
-        cwd: `${import.meta.dir}/../../../../..`,
-        env: { PATH: Bun.env.PATH, MAKER_PRIVATE_KEY: secret, KEYSTORE_PASSWORD: secret },
-        stdout: 'pipe',
-        stderr: 'pipe'
-      }
-    )
-    const [exitCode, stdout, stderr] = await Promise.all([
-      process.exited,
-      new Response(process.stdout).text(),
-      new Response(process.stderr).text()
-    ])
-    const output = stdout + stderr
+    const repoRoot = dirname(fileURLToPath(new URL('../../../../../package.json', import.meta.url)))
+    const process = await execa('tsx', ['bots/market-making/src/index.ts', '--help'], {
+      cwd: repoRoot,
+      env: { MAKER_PRIVATE_KEY: secret, KEYSTORE_PASSWORD: secret },
+      reject: false
+    })
+    const output = process.stdout + process.stderr
 
-    expect(exitCode).toBe(0)
+    expect(process.exitCode).toBe(0)
     expect(output).toContain('--private-key <key>')
     expect(output).toContain('MAKER_PRIVATE_KEY')
     expect(output).toContain('--password <password>')
diff --git a/bots/market-making/test/infrastructure/cli/market-making-entrypoint-observability.test.ts b/bots/market-making/test/infrastructure/cli/market-making-entrypoint-observability.test.ts
index fec937ba..581fb379 100644
--- a/bots/market-making/test/infrastructure/cli/market-making-entrypoint-observability.test.ts
+++ b/bots/market-making/test/infrastructure/cli/market-making-entrypoint-observability.test.ts
@@ -1,5 +1,5 @@
 import { enhanceVerboseArgv } from '@repo/observability'
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import { ConfigFileError } from '../../../src/config/config-file.error'
 import {
@@ -12,7 +12,7 @@ describe('runMarketMakingEntrypoint observability', () => {
   test('mirrors streamed actions and terminal results while preserving stdout', async () => {
     const stdout: string[] = []
     const stderr: string[] = []
-    const record = mock((_value: unknown) => undefined)
+    const record = vi.fn((_value: unknown) => undefined)
     const cycle = { event: 'ladder.cycle', status: 'resting', activeOffers: [{ assets: 9n }] }
     const result = { status: 'stopped', cycles: 1 }
 
@@ -26,7 +26,7 @@ describe('runMarketMakingEntrypoint observability', () => {
       ['ladder', '--monitor'],
       { writeOut: value => stdout.push(value), writeError: value => stderr.push(value) },
       {},
-      { record, unexpected: mock(() => undefined) }
+      { record, unexpected: vi.fn(() => undefined) }
     )
 
     expect(exitCode).toBe(0)
@@ -41,7 +41,7 @@ describe('runMarketMakingEntrypoint observability', () => {
   test('observes unknown failures by name without leaking their message', async () => {
     const stdout: string[] = []
     const stderr: string[] = []
-    const unexpected = mock((_error: unknown, _origin: 'entrypoint') => undefined)
+    const unexpected = vi.fn((_error: unknown, _origin: 'entrypoint') => undefined)
     const error = new Error('raw provider payload with api credential')
     error.name = 'ProviderFailureError'
 
@@ -50,7 +50,7 @@ describe('runMarketMakingEntrypoint observability', () => {
       ['start'],
       { writeOut: value => stdout.push(value), writeError: value => stderr.push(value) },
       {},
-      { record: mock(() => undefined), unexpected }
+      { record: vi.fn(() => undefined), unexpected }
     )
 
     expect(exitCode).toBe(1)
@@ -63,7 +63,7 @@ describe('runMarketMakingEntrypoint observability', () => {
 
   test('surfaces sanitized maker-account failures without reporting them as unexpected', async () => {
     const stderr: string[] = []
-    const unexpected = mock((_error: unknown, _origin: 'entrypoint') => undefined)
+    const unexpected = vi.fn((_error: unknown, _origin: 'entrypoint') => undefined)
     const error = new MakerAccountError('keystore-decrypt')
 
     const exitCode = await runMarketMakingEntrypoint(
@@ -71,7 +71,7 @@ describe('runMarketMakingEntrypoint observability', () => {
       ['setup-check'],
       { writeOut: () => undefined, writeError: value => stderr.push(value) },
       {},
-      { record: mock(() => undefined), unexpected }
+      { record: vi.fn(() => undefined), unexpected }
     )
 
     expect(exitCode).toBe(1)
@@ -82,7 +82,7 @@ describe('runMarketMakingEntrypoint observability', () => {
   test('suppresses report payloads from errors outside the audited allowlist', async () => {
     const stdout: string[] = []
     const stderr: string[] = []
-    const unexpected = mock((_error: unknown, _origin: 'entrypoint') => undefined)
+    const unexpected = vi.fn((_error: unknown, _origin: 'entrypoint') => undefined)
     const error = Object.assign(new Error('raw provider payload'), {
       report: { secret: 'hostile provider response body' }
     })
@@ -93,7 +93,7 @@ describe('runMarketMakingEntrypoint observability', () => {
       ['start'],
       { writeOut: value => stdout.push(value), writeError: value => stderr.push(value) },
       {},
-      { record: mock(() => undefined), unexpected }
+      { record: vi.fn(() => undefined), unexpected }
     )
 
     expect(exitCode).toBe(1)
@@ -122,14 +122,14 @@ describe('runMarketMakingEntrypoint observability', () => {
 
   test('preserves audited configuration diagnostics while still classifying the failure', async () => {
     const stderr: string[] = []
-    const unexpected = mock((_error: unknown, _origin: 'entrypoint') => undefined)
+    const unexpected = vi.fn((_error: unknown, _origin: 'entrypoint') => undefined)
 
     const exitCode = await runMarketMakingEntrypoint(
       { run: async () => Promise.reject(new ConfigFileError('malformed')) },
       ['start'],
       { writeOut: () => undefined, writeError: value => stderr.push(value) },
       {},
-      { record: mock(() => undefined), unexpected }
+      { record: vi.fn(() => undefined), unexpected }
     )
 
     expect(exitCode).toBe(1)
diff --git a/bots/market-making/test/infrastructure/cli/password-prompt.test.ts b/bots/market-making/test/infrastructure/cli/password-prompt.test.ts
index ced2dbc4..2d06f11f 100644
--- a/bots/market-making/test/infrastructure/cli/password-prompt.test.ts
+++ b/bots/market-making/test/infrastructure/cli/password-prompt.test.ts
@@ -1,6 +1,6 @@
-import { describe, expect, test } from 'bun:test'
 import { EventEmitter } from 'node:events'
 import { readFile } from 'node:fs/promises'
+import { describe, expect, test } from 'vitest'
 
 import { readPasswordInteractively } from '../../../src/infrastructure/cli/password-prompt.utils'
 
@@ -70,7 +70,7 @@ const expectWiped = (secretBytes: number[], length: number) => {
 describe('hidden keystore password input', () => {
   test('defaults prompts and trailing newlines to stderr', async () => {
     const source = await readFile(
-      `${import.meta.dir}/../../../src/infrastructure/cli/password-prompt.utils.ts`,
+      new URL('../../../src/infrastructure/cli/password-prompt.utils.ts', import.meta.url),
       'utf8'
     )
 
diff --git a/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation-transaction.utils.test.ts b/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation-transaction.utils.test.ts
index a2a50c6f..8f029329 100644
--- a/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation-transaction.utils.test.ts
+++ b/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation-transaction.utils.test.ts
@@ -1,8 +1,8 @@
 import type { Address, Hex } from 'viem'
 
 import { MAX_OFFER_CAP, midnightAbi } from '@morpho-org/midnight-sdk'
-import { describe, expect, test } from 'bun:test'
 import { encodeFunctionData } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import { OfferInvalidationAdapterError } from '../../../src/infrastructure/invalidation/offer-invalidation-adapter.error'
 import { assertBatchOfferInvalidationTransaction } from '../../../src/infrastructure/invalidation/offer-invalidation-transaction.utils'
diff --git a/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation.utils.test.ts b/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation.utils.test.ts
index e854f64a..0950f3f2 100644
--- a/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation.utils.test.ts
+++ b/bots/market-making/test/infrastructure/invalidation/batch-offer-invalidation.utils.test.ts
@@ -1,8 +1,8 @@
 import type { Address, Hex } from 'viem'
 
 import { MAX_OFFER_CAP, midnightAbi } from '@morpho-org/midnight-sdk'
-import { describe, expect, mock, test } from 'bun:test'
 import { decodeFunctionData } from 'viem'
+import { describe, expect, test, vi } from 'vitest'
 
 import { invalidateOffersBatch } from '../../../src/infrastructure/invalidation/batch-offer-invalidation.utils'
 import { OfferInvalidationAdapterError } from '../../../src/infrastructure/invalidation/offer-invalidation-adapter.error'
@@ -14,10 +14,10 @@ const groupIds = [`0x${'44'.repeat(32)}`, `0x${'55'.repeat(32)}`] as const
 const txHash: Hex = `0x${'aa'.repeat(32)}`
 
 const subject = (status = 'success', account = maker) => {
-  const sendTransaction = mock(
+  const sendTransaction = vi.fn(
     async (_transaction: { to: Address; data: Hex; value: bigint }) => txHash
   )
-  const waitForTransactionReceipt = mock(async () => ({ status }))
+  const waitForTransactionReceipt = vi.fn(async () => ({ status }))
   return {
     wallet: { account: { address: account }, sendTransaction, waitForTransactionReceipt },
     sendTransaction,
diff --git a/bots/market-making/test/infrastructure/invalidation/offer-invalidation-group.utils.test.ts b/bots/market-making/test/infrastructure/invalidation/offer-invalidation-group.utils.test.ts
index 516030ca..ec0e9f97 100644
--- a/bots/market-making/test/infrastructure/invalidation/offer-invalidation-group.utils.test.ts
+++ b/bots/market-making/test/infrastructure/invalidation/offer-invalidation-group.utils.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { offerInvalidationGroupIds } from '../../../src/infrastructure/invalidation/offer-invalidation-group.utils'
 
diff --git a/bots/market-making/test/infrastructure/invalidation/offer-invalidation-transaction.utils.test.ts b/bots/market-making/test/infrastructure/invalidation/offer-invalidation-transaction.utils.test.ts
index cb73468a..0fe47390 100644
--- a/bots/market-making/test/infrastructure/invalidation/offer-invalidation-transaction.utils.test.ts
+++ b/bots/market-making/test/infrastructure/invalidation/offer-invalidation-transaction.utils.test.ts
@@ -1,8 +1,8 @@
 import type { Address, Hex } from 'viem'
 
 import { MAX_OFFER_CAP, midnightAbi } from '@morpho-org/midnight-sdk'
-import { describe, expect, test } from 'bun:test'
 import { encodeFunctionData } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import { OfferInvalidationAdapterError } from '../../../src/infrastructure/invalidation/offer-invalidation-adapter.error'
 import { assertOfferInvalidationTransaction } from '../../../src/infrastructure/invalidation/offer-invalidation-transaction.utils'
diff --git a/bots/market-making/test/infrastructure/invalidation/production-offer-invalidation.test.ts b/bots/market-making/test/infrastructure/invalidation/production-offer-invalidation.test.ts
index 850c2985..5eb24fdc 100644
--- a/bots/market-making/test/infrastructure/invalidation/production-offer-invalidation.test.ts
+++ b/bots/market-making/test/infrastructure/invalidation/production-offer-invalidation.test.ts
@@ -1,6 +1,6 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { ConfigService } from '../../../src/config/config.service'
 import { createProductionOfferInvalidationPort } from '../../../src/infrastructure/invalidation/production-offer-invalidation'
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-active-publication.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-active-publication.utils.test.ts
index 7389271d..0fa69564 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-active-publication.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-active-publication.utils.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { BootstrapRawGroup } from '../../../src/infrastructure/bootstrap/bootstrap-groups.utils'
 import type { OwnedLadderPublication } from '../../../src/infrastructure/ladder/ladder-group-ownership.utils'
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-cash-reservation.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-cash-reservation.utils.test.ts
index 6efbbab2..d2d72940 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-cash-reservation.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-cash-reservation.utils.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { OwnedLadderPublication } from '../../../src/infrastructure/ladder/ladder-group-ownership.utils'
 
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-group-ownership.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-group-ownership.utils.test.ts
index e6efab8c..88ede75d 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-group-ownership.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-group-ownership.utils.test.ts
@@ -1,9 +1,9 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
 import { mkdtemp, rm } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
+import { describe, expect, test } from 'vitest'
 
 import type { LadderQuoteSet } from '../../../src/domain/ladder/ladder'
 
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-make.service.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-make.service.test.ts
index 2c3d7325..0a33fb0a 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-make.service.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-make.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import type { LadderQuoteSet } from '../../../src/domain/ladder/ladder'
 import type { LadderOfferTransport } from '../../../src/infrastructure/ladder/ladder-make.service'
@@ -344,7 +344,7 @@ describe('MidnightLadderMakeService', () => {
 
   test('attempts every active group before reporting aggregate hard-halt failure', async () => {
     const subject = harness()
-    const invalidate = mock(async (groupId: Hex) => {
+    const invalidate = vi.fn(async (groupId: Hex) => {
       subject.events.push(`cancel:${groupId}`)
       if (groupId === oldGroup) throw new TypeError('provider detail')
     })
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-offer.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-offer.utils.test.ts
index 503e315e..6b1aff14 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-offer.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-offer.utils.test.ts
@@ -1,7 +1,7 @@
 import type { IMarket } from '@morpho-org/midnight-sdk'
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { LadderQuoteSet } from '../../../src/domain/ladder/ladder'
 
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-ratification.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-ratification.utils.test.ts
index 5f6e406d..c96c15fd 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-ratification.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-ratification.utils.test.ts
@@ -1,10 +1,10 @@
 import type { Address } from 'viem'
 
 import { Offer, SetterRatifierUtils, Tree, setterRatifierAbi } from '@morpho-org/midnight-sdk'
-import { describe, expect, test } from 'bun:test'
 import { createWalletClient, custom, decodeFunctionData, zeroAddress } from 'viem'
 import { privateKeyToAccount } from 'viem/accounts'
 import { base } from 'viem/chains'
+import { describe, expect, test } from 'vitest'
 
 import {
   configuredRatifierType,
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-signature.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-signature.utils.test.ts
index f8125d8e..a2e27a58 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-signature.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-signature.utils.test.ts
@@ -1,10 +1,10 @@
 import type { Address } from 'viem'
 
 import { Offer, Tree } from '@morpho-org/midnight-sdk'
-import { describe, expect, test } from 'bun:test'
 import { createWalletClient, custom, isHex, zeroAddress } from 'viem'
 import { privateKeyToAccount } from 'viem/accounts'
 import { base } from 'viem/chains'
+import { describe, expect, test } from 'vitest'
 
 import { signLadderTree } from '../../../src/infrastructure/ladder/ladder-signature.utils'
 
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-spread.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-spread.utils.test.ts
index 2404ca69..244c1f36 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-spread.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-spread.utils.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { LadderAdapterError } from '../../../src/infrastructure/ladder/ladder-adapter.error'
 import { assertLadderProspectiveSpread } from '../../../src/infrastructure/ladder/ladder-spread.utils'
diff --git a/bots/market-making/test/infrastructure/ladder/ladder-transaction.utils.test.ts b/bots/market-making/test/infrastructure/ladder/ladder-transaction.utils.test.ts
index 92164920..ba02eaaa 100644
--- a/bots/market-making/test/infrastructure/ladder/ladder-transaction.utils.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/ladder-transaction.utils.test.ts
@@ -7,8 +7,8 @@ import {
   Tree,
   setterRatifierAbi
 } from '@morpho-org/midnight-sdk'
-import { describe, expect, test } from 'bun:test'
 import { encodeFunctionData } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import {
   assertLadderPublicationTransaction,
diff --git a/bots/market-making/test/infrastructure/ladder/production-ladder.test.ts b/bots/market-making/test/infrastructure/ladder/production-ladder.test.ts
index 2ba1e5c7..23ad2286 100644
--- a/bots/market-making/test/infrastructure/ladder/production-ladder.test.ts
+++ b/bots/market-making/test/infrastructure/ladder/production-ladder.test.ts
@@ -1,6 +1,6 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { LadderQuoteSet } from '../../../src/domain/ladder/ladder'
 
diff --git a/bots/market-making/test/infrastructure/make/maker-account.test.ts b/bots/market-making/test/infrastructure/make/maker-account.test.ts
index e1182044..e323e7d3 100644
--- a/bots/market-making/test/infrastructure/make/maker-account.test.ts
+++ b/bots/market-making/test/infrastructure/make/maker-account.test.ts
@@ -2,7 +2,6 @@ import type { TransactionSerializedLegacy } from 'viem'
 
 import { Wallet } from '@ethereumjs/wallet'
 import { secp256k1 } from '@noble/curves/secp256k1'
-import { describe, expect, mock, test } from 'bun:test'
 import { mkdtemp, readFile, rm, writeFile } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
@@ -14,6 +13,7 @@ import {
   recoverTransactionAddress
 } from 'viem'
 import { privateKeyToAccount } from 'viem/accounts'
+import { describe, expect, test, vi } from 'vitest'
 
 import { createMakerAccount } from '../../../src/infrastructure/make/maker-account.utils'
 
@@ -23,7 +23,7 @@ const maker = privateKeyToAccount(privateKey).address
 describe('maker signer selection', () => {
   test('reuses one AWS KMS client per region across public-key and signing calls', async () => {
     const source = await readFile(
-      `${import.meta.dir}/../../../src/infrastructure/make/maker-account.utils.ts`,
+      new URL('../../../src/infrastructure/make/maker-account.utils.ts', import.meta.url),
       'utf8'
     )
 
@@ -62,8 +62,8 @@ describe('maker signer selection', () => {
 
   test('decrypts a keystore only at the signer boundary', async () => {
     const password = '  keystore-秘密🔐  '
-    const readFile = mock(async () => '{"encrypted":true}')
-    const decryptKeystore = mock(async (json: string, suppliedPassword: string) => {
+    const readFile = vi.fn(async () => '{"encrypted":true}')
+    const decryptKeystore = vi.fn(async (json: string, suppliedPassword: string) => {
       expect(json).toContain('encrypted')
       expect(suppliedPassword).toBe(password)
       return privateKey
@@ -122,8 +122,8 @@ describe('maker signer selection', () => {
       ...Buffer.from('3056301006072a8648ce3d020106052b8104000a034200', 'hex'),
       ...publicKey
     ])
-    const getPublicKey = mock(async () => spki)
-    const signDigest = mock(async (_keyId: string, _region: string, digest: Uint8Array) =>
+    const getPublicKey = vi.fn(async () => spki)
+    const signDigest = vi.fn(async (_keyId: string, _region: string, digest: Uint8Array) =>
       secp256k1.sign(digest, secret, { lowS: false }).toDERRawBytes()
     )
     const account = await createMakerAccount(
diff --git a/bots/market-making/test/infrastructure/make/managed-maker-account.utils.test.ts b/bots/market-making/test/infrastructure/make/managed-maker-account.utils.test.ts
index 4ff40435..0fa0b886 100644
--- a/bots/market-making/test/infrastructure/make/managed-maker-account.utils.test.ts
+++ b/bots/market-making/test/infrastructure/make/managed-maker-account.utils.test.ts
@@ -1,6 +1,6 @@
-import { describe, expect, test } from 'bun:test'
 import { createPublicClient, custom } from 'viem'
 import { base } from 'viem/chains'
+import { describe, expect, test } from 'vitest'
 
 import { createManagedMakerAccount } from '../../../src/infrastructure/make/managed-maker-account.utils'
 
diff --git a/bots/market-making/test/infrastructure/make/read-only-make.service.test.ts b/bots/market-making/test/infrastructure/make/read-only-make.service.test.ts
index aad981f0..b7365b95 100644
--- a/bots/market-making/test/infrastructure/make/read-only-make.service.test.ts
+++ b/bots/market-making/test/infrastructure/make/read-only-make.service.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { LadderQuoteSet } from '../../../src/domain/ladder/ladder'
 
@@ -69,8 +69,8 @@ describe('read-only make adapters', () => {
       throw writeError
     })
 
-    expect(service.hardHalt({ reason: 'bootstrap-decision-failed' })).rejects.toBe(writeError)
-    expect(service.cleanup()).rejects.toBe(writeError)
+    await expect(service.hardHalt({ reason: 'bootstrap-decision-failed' })).rejects.toBe(writeError)
+    await expect(service.cleanup()).rejects.toBe(writeError)
   })
 
   test('validates a read-only bootstrap reconcile before logging it', async () => {
@@ -154,8 +154,8 @@ describe('read-only make adapters', () => {
       }
     )
 
-    expect(service.hardHalt({ reason: 'ladder-decision-failed' })).rejects.toBe(writeError)
-    expect(service.cleanup()).rejects.toBe(writeError)
+    await expect(service.hardHalt({ reason: 'ladder-decision-failed' })).rejects.toBe(writeError)
+    await expect(service.cleanup()).rejects.toBe(writeError)
   })
 
   test('validates a read-only ladder reconcile before logging it', async () => {
diff --git a/bots/market-making/test/infrastructure/setup-state/viem-setup-state.service.test.ts b/bots/market-making/test/infrastructure/setup-state/viem-setup-state.service.test.ts
index 82a3346e..4edf0888 100644
--- a/bots/market-making/test/infrastructure/setup-state/viem-setup-state.service.test.ts
+++ b/bots/market-making/test/infrastructure/setup-state/viem-setup-state.service.test.ts
@@ -1,18 +1,51 @@
+import type { AddressInfo } from 'node:net'
 import type { Address, Hex } from 'viem'
 
 import { setterRatifierAbi } from '@morpho-org/midnight-sdk'
 import { blueAbi } from '@morpho-org/morpho-sdk/abis'
-import { describe, expect, mock, test } from 'bun:test'
+import { readFile } from 'node:fs/promises'
+import { createServer } from 'node:http'
+import { setTimeout as sleep } from 'node:timers/promises'
 import { bytesToHex, hexToBytes, keccak256, zeroHash } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import { SafeProviderError } from '../../../src/application/setup/safe-provider.error'
-import { MakerAccountError } from '../../../src/infrastructure/make/maker-account.error'
 import { requestJson } from '../../../src/infrastructure/setup-state/http-json.utils'
 import { ProviderPaginationError } from '../../../src/infrastructure/setup-state/provider-pagination.error'
 import { ProviderReadError } from '../../../src/infrastructure/setup-state/provider-read.error'
 import { ProviderResponseError } from '../../../src/infrastructure/setup-state/provider-response.error'
 import { ViemSetupStateService } from '../../../src/infrastructure/setup-state/viem-setup-state.service'
 
+// bun's `Bun.serve` accepted a Web-standard fetch handler and exposed `.port`/`.stop()`. These tests
+// only need a throwaway loopback server, so this keeps that shape over node:http.
+const startFixtureServer = async (
+  handler: () => Response | Promise<Response>
+): Promise<{ port: number; stop: () => Promise<void> }> => {
+  // Node's request listener is void-returning; consume the promise here so a handler failure cannot
+  // escape as an unhandled rejection.
+  const server = createServer((_incoming, outgoing): void => {
+    void (async () => {
+      const response = await handler()
+      outgoing.writeHead(response.status, Object.fromEntries(response.headers))
+      outgoing.end(Buffer.from(await response.arrayBuffer()))
+    })().catch(() => {
+      if (!outgoing.headersSent) outgoing.writeHead(500)
+      outgoing.end()
+    })
+  })
+  await new Promise<void>(resolve => server.listen(0, '127.0.0.1', resolve))
+  const { port } = server.address() as AddressInfo
+  return {
+    port,
+    stop: async () => {
+      server.closeAllConnections()
+      await new Promise<void>((resolve, reject) => {
+        server.close(error => (error ? reject(error) : resolve()))
+      })
+    }
+  }
+}
+
 const maker: Address = '0x1111111111111111111111111111111111111111'
 const midnight: Address = '0x2222222222222222222222222222222222222222'
 const loanAsset: Address = '0x3333333333333333333333333333333333333333'
@@ -24,12 +57,12 @@ const knownGroup: Hex = `0x${'66'.repeat(32)}`
 const unknownGroup: Hex = `0x${'77'.repeat(32)}`
 const removedMarketId: Hex = `0x${'ab'.repeat(32)}`
 const authoritativeRatifierRuntime = (
-  await Bun.file(new URL('../../fixtures/ecrecover-ratifier-base.hex', import.meta.url)).text()
+  await readFile(new URL('../../fixtures/ecrecover-ratifier-base.hex', import.meta.url), 'utf8')
 ).trim() as Hex
 const authoritativeRatifierRuntimeHash =
   '0xcce1e0dd38ae831e81a9270627af2c24c208409ec03d5654a28a33ead53b1ac1'
 const authoritativeSetterRatifierRuntime = (
-  await Bun.file(new URL('../../fixtures/setter-ratifier-base.hex', import.meta.url)).text()
+  await readFile(new URL('../../fixtures/setter-ratifier-base.hex', import.meta.url), 'utf8')
 ).trim() as Hex
 
 const createState = (
@@ -191,26 +224,6 @@ describe('ViemSetupStateService', () => {
     expect(await state.getDerivedMaker()).toBeUndefined()
   })
 
-  test('defers remote signer derivation until the captured maker check runs', async () => {
-    const failure = new MakerAccountError('kms-public-key')
-    const deriveSignerAddress = mock(async (): Promise<Address> => Promise.reject(failure))
-    const state = new ViemSetupStateService({} as never, {} as never, async () => ({}), {
-      deriveSignerAddress,
-      midnight,
-      loanAsset,
-      morphoApiBaseUrl: 'https://api.example',
-      routerApiBaseUrl: 'https://router.example',
-      marketIds: [marketId],
-      v0OfferGroupIds: [knownGroup],
-      readOwnedGroupIds: async () => [],
-      referenceMarketId
-    })
-
-    expect(deriveSignerAddress).toHaveBeenCalledTimes(0)
-    await expect(state.getDerivedMaker()).rejects.toBe(failure)
-    expect(deriveSignerAddress).toHaveBeenCalledTimes(1)
-  })
-
   test.each([
     [
       'getChainId',
@@ -359,10 +372,7 @@ describe('ViemSetupStateService', () => {
   )
 
   test('reports HTTP failures with a fixed provider id and no URL fields', async () => {
-    const server = Bun.serve({
-      port: 0,
-      fetch: () => new Response('private body', { status: 503 })
-    })
+    const server = await startFixtureServer(() => new Response('private body', { status: 503 }))
     const secret = 'provider-api-key'
 
     try {
@@ -388,17 +398,14 @@ describe('ViemSetupStateService', () => {
       expect(serialized).not.toContain('/private')
       expect(serialized).not.toContain('private body')
     } finally {
-      await server.stop(true)
+      await server.stop()
     }
   })
 
   test('classifies a bounded request timeout without exposing URL credentials', async () => {
-    const server = Bun.serve({
-      port: 0,
-      fetch: async () => {
-        await Bun.sleep(100)
-        return Response.json({ ok: true })
-      }
+    const server = await startFixtureServer(async () => {
+      await sleep(100)
+      return Response.json({ ok: true })
     })
     const secret = 'timeout-provider-key'
 
@@ -423,7 +430,7 @@ describe('ViemSetupStateService', () => {
       expect(serialized).not.toContain(String(server.port))
       expect(serialized).not.toContain('/slow')
     } finally {
-      await server.stop(true)
+      await server.stop()
     }
   })
 
@@ -987,7 +994,7 @@ describe('ViemSetupStateService', () => {
     )
     responses['/v0/midnight/users/'] = { cursor: page(0), data: [] }
 
-    expect(createState(responses).state.inspectOffers(maker)).rejects.toThrow(
+    await expect(createState(responses).state.inspectOffers(maker)).rejects.toThrow(
       'Morpho API offer page limit exceeded'
     )
   })
@@ -1000,7 +1007,9 @@ describe('ViemSetupStateService', () => {
       }
     })
 
-    expect(state.inspectOffers(maker)).rejects.toThrow('Morpho API offer-group page size exceeded')
+    await expect(state.inspectOffers(maker)).rejects.toThrow(
+      'Morpho API offer-group page size exceeded'
+    )
   })
 
   test('fails closed when Morpho API exceeds the offer item limit', async () => {
@@ -1017,6 +1026,6 @@ describe('ViemSetupStateService', () => {
       }
     })
 
-    expect(state.inspectOffers(maker)).rejects.toThrow('Morpho API offer item limit exceeded')
+    await expect(state.inspectOffers(maker)).rejects.toThrow('Morpho API offer item limit exceeded')
   })
 })
diff --git a/bots/market-making/test/playground/artifact.test.ts b/bots/market-making/test/playground/artifact.test.ts
index 59f196b2..2795949f 100644
--- a/bots/market-making/test/playground/artifact.test.ts
+++ b/bots/market-making/test/playground/artifact.test.ts
@@ -1,10 +1,12 @@
-import { afterEach, describe, expect, test } from 'bun:test'
 import { build } from 'esbuild'
+import { execa } from 'execa'
 import { readdir, readFile, rm } from 'node:fs/promises'
-import { join } from 'node:path'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import { gzipSync } from 'node:zlib'
+import { afterEach, describe, expect, test } from 'vitest'
 
-const packageRoot = join(import.meta.dir, '../..')
+const packageRoot = dirname(fileURLToPath(new URL('../../package.json', import.meta.url)))
 let temporaryDirectory = ''
 
 afterEach(async () => {
@@ -13,21 +15,16 @@ afterEach(async () => {
 })
 
 const productionBuild = async () => {
-  const child = Bun.spawn(
-    [Bun.which('node')!, join(packageRoot, 'scripts/playground-build.mjs'), '--temporary'],
+  const child = await execa(
+    process.execPath,
+    [join(packageRoot, 'scripts/playground-build.mjs'), '--temporary'],
     {
       cwd: packageRoot,
-      env: { ...Bun.env, BUN_EXE: Bun.which('bun')! },
-      stdout: 'pipe',
-      stderr: 'pipe'
+      reject: false
     }
   )
-  const [code, stdout, stderr] = await Promise.all([
-    child.exited,
-    new Response(child.stdout).text(),
-    new Response(child.stderr).text()
-  ])
-  expect(code, `${stdout}\n${stderr}`).toBe(0)
+  expect(child.exitCode, `${child.stdout}\n${child.stderr}`).toBe(0)
+  const { stdout } = child
   const record = stdout.split(/\r?\n/).flatMap(line => {
     try {
       const value = JSON.parse(line)
diff --git a/bots/market-making/test/playground/field-visibility.utils.test.ts b/bots/market-making/test/playground/field-visibility.utils.test.ts
index 5ce2311b..0169b47c 100644
--- a/bots/market-making/test/playground/field-visibility.utils.test.ts
+++ b/bots/market-making/test/playground/field-visibility.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import type { TargetRateInput } from '../../playground/model'
 
diff --git a/bots/market-making/test/playground/model.test.ts b/bots/market-making/test/playground/model.test.ts
index 28f24a77..4ab51ca3 100644
--- a/bots/market-making/test/playground/model.test.ts
+++ b/bots/market-making/test/playground/model.test.ts
@@ -1,4 +1,5 @@
-import { describe, expect, test } from 'bun:test'
+import { readFile } from 'node:fs/promises'
+import { describe, expect, test } from 'vitest'
 
 import { CollectionImportError } from '../../playground/collection-import.error'
 import { CollectionValidationError } from '../../playground/collection-validation.error'
@@ -33,9 +34,9 @@ describe('bootstrap + ladder only playground follow-up', () => {
 
   test('does not expose key-storage configuration in the collection-only playground', async () => {
     const [model, application, document] = await Promise.all([
-      Bun.file(new URL('../../playground/model.ts', import.meta.url)).text(),
-      Bun.file(new URL('../../playground/app.tsx', import.meta.url)).text(),
-      Bun.file(new URL('../../playground/index.html', import.meta.url)).text()
+      readFile(new URL('../../playground/model.ts', import.meta.url), 'utf8'),
+      readFile(new URL('../../playground/app.tsx', import.meta.url), 'utf8'),
+      readFile(new URL('../../playground/index.html', import.meta.url), 'utf8')
     ])
     const exposedPlaygroundSurface = `${JSON.stringify(createDefaultPlaygroundState())}\n${model}\n${application}\n${document}`
 
@@ -50,7 +51,7 @@ describe('bootstrap + ladder only playground follow-up', () => {
   })
 
   test('documents argv secret exposure without literal private keys or passwords', async () => {
-    const readme = await Bun.file('bots/market-making/README.md').text()
+    const readme = await readFile(new URL('../../README.md', import.meta.url), 'utf8')
 
     expect(readme).toContain('`--private-key <key>`')
     expect(readme).toContain('`MAKER_PRIVATE_KEY`')
diff --git a/bots/market-making/test/playground/module-graph.test.ts b/bots/market-making/test/playground/module-graph.test.ts
index 73817922..fcbf5eff 100644
--- a/bots/market-making/test/playground/module-graph.test.ts
+++ b/bots/market-making/test/playground/module-graph.test.ts
@@ -1,9 +1,10 @@
-import { describe, expect, test } from 'bun:test'
 import { build } from 'esbuild'
-import { join } from 'node:path'
+import { dirname } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { describe, expect, test } from 'vitest'
 
 const normalize = (value: string) => value.replaceAll('\\', '/')
-const packageRoot = join(import.meta.dir, '../..')
+const packageRoot = dirname(fileURLToPath(new URL('../../package.json', import.meta.url)))
 
 describe('playground browser module graph', () => {
   test('uses an explicit browser-safe local allowlist and excludes runtime capabilities', async () => {
diff --git a/bots/market-making/test/playground/pages-workflow.test.ts b/bots/market-making/test/playground/pages-workflow.test.ts
index 855be618..a9bebacf 100644
--- a/bots/market-making/test/playground/pages-workflow.test.ts
+++ b/bots/market-making/test/playground/pages-workflow.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, test } from 'bun:test'
 import { readFile } from 'node:fs/promises'
+import { describe, expect, test } from 'vitest'
 import { parse } from 'yaml'
 
 const workflowPath = new URL(
@@ -48,9 +48,11 @@ describe('market-making playground Pages workflow', () => {
         'packages/utils/**',
         'packages/typescript-config/**',
         'package.json',
-        'bun.lock',
-        'bunfig.toml',
+        'pnpm-lock.yaml',
+        'pnpm-workspace.yaml',
         '.npmrc',
+        '.nvmrc',
+        '.github/actions/setup/action.yml',
         '.github/workflows/deploy-market-making-playground.yml'
       ])
     )
@@ -75,16 +77,17 @@ describe('market-making playground Pages workflow', () => {
       uses: 'actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5',
       with: { 'persist-credentials': false }
     })
-    expect(build.steps.find(step => step.name === 'Install dependencies')?.run).toBe(
-      'bun install --frozen-lockfile'
-    )
+    expect(build.steps.find(step => step.name === 'Setup')).toMatchObject({
+      uses: './.github/actions/setup',
+      with: { 'build-contracts': 'false' }
+    })
     expect(
       build.steps.find(step => step.name === 'Test playground at the GitHub Pages subpath')?.run
     ).toBe(
-      'PLAYGROUND_SMOKE_BASE_PATH=/morpho-bots/ bun run --filter @morpho-org/market-making-bot playground:smoke:test'
+      'PLAYGROUND_SMOKE_BASE_PATH=/morpho-bots/ pnpm --filter @morpho-org/market-making-bot run playground:smoke:test'
     )
     expect(build.steps.find(step => step.name === 'Build playground')?.run).toBe(
-      'bun run --filter @morpho-org/market-making-bot playground:build'
+      'pnpm --filter @morpho-org/market-making-bot run playground:build'
     )
     expect(build.steps.find(step => step.name === 'Upload GitHub Pages artifact')).toMatchObject({
       uses: 'actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9',
@@ -113,6 +116,8 @@ describe('market-making playground Pages workflow', () => {
       .map(step => step.uses)
       .filter((uses): uses is string => uses !== undefined)
     expect(actions).toHaveLength(5)
-    expect(actions.every(uses => immutableAction.test(uses))).toBe(true)
+    expect(
+      actions.filter(uses => !uses.startsWith('./')).every(uses => immutableAction.test(uses))
+    ).toBe(true)
   })
 })
diff --git a/bots/market-making/test/playground/playground-error.utils.test.ts b/bots/market-making/test/playground/playground-error.utils.test.ts
index afbfb434..aedf3eb0 100644
--- a/bots/market-making/test/playground/playground-error.utils.test.ts
+++ b/bots/market-making/test/playground/playground-error.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { CollectionImportError } from '../../playground/collection-import.error'
 import { CollectionValidationError } from '../../playground/collection-validation.error'
diff --git a/bots/market-making/test/playground/react-contract.test.ts b/bots/market-making/test/playground/react-contract.test.ts
index 18460b34..89f28703 100644
--- a/bots/market-making/test/playground/react-contract.test.ts
+++ b/bots/market-making/test/playground/react-contract.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, test } from 'bun:test'
 import { readFile } from 'node:fs/promises'
+import { describe, expect, test } from 'vitest'
 
 const read = (path: string) => readFile(new URL(`../../${path}`, import.meta.url), 'utf8')
 
diff --git a/bots/market-making/test/playground/shared-market-collections.test.ts b/bots/market-making/test/playground/shared-market-collections.test.ts
index 7f7095bf..4a8a4892 100644
--- a/bots/market-making/test/playground/shared-market-collections.test.ts
+++ b/bots/market-making/test/playground/shared-market-collections.test.ts
@@ -1,4 +1,5 @@
-import { describe, expect, test } from 'bun:test'
+import { readFile } from 'node:fs/promises'
+import { describe, expect, test } from 'vitest'
 
 import { createDefaultBootstrap, createDefaultLadder } from '../../playground/model'
 import {
@@ -33,9 +34,9 @@ describe('shared market collection boundary', () => {
 
   test('keeps the browser model graph off runtime configuration and secret parsing modules', async () => {
     const [model, shared, runtime] = await Promise.all([
-      Bun.file(new URL('../../playground/model.ts', import.meta.url)).text(),
-      Bun.file(new URL('../../src/config/market-collections.ts', import.meta.url)).text(),
-      Bun.file(new URL('../../src/config/config.service.ts', import.meta.url)).text()
+      readFile(new URL('../../playground/model.ts', import.meta.url), 'utf8'),
+      readFile(new URL('../../src/config/market-collections.ts', import.meta.url), 'utf8'),
+      readFile(new URL('../../src/config/config.service.ts', import.meta.url), 'utf8')
     ])
 
     expect(model).not.toContain('src/config/config.utils')
diff --git a/bots/market-making/test/playground/tsconfig-coverage.test.ts b/bots/market-making/test/playground/tsconfig-coverage.test.ts
index b57ff3b8..3282385e 100644
--- a/bots/market-making/test/playground/tsconfig-coverage.test.ts
+++ b/bots/market-making/test/playground/tsconfig-coverage.test.ts
@@ -1,8 +1,9 @@
-import { describe, expect, test } from 'bun:test'
-import { resolve } from 'node:path'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import ts from 'typescript'
+import { describe, expect, test } from 'vitest'
 
-const packageRoot = resolve(import.meta.dir, '../..')
+const packageRoot = dirname(fileURLToPath(new URL('../../package.json', import.meta.url)))
 const configPath = resolve(packageRoot, 'tsconfig.json')
 const appPath = resolve(packageRoot, 'playground/app.tsx')
 
diff --git a/bots/market-making/test/scripts/railway.utils.test.ts b/bots/market-making/test/scripts/railway.utils.test.ts
index f86549e0..a8d236f7 100644
--- a/bots/market-making/test/scripts/railway.utils.test.ts
+++ b/bots/market-making/test/scripts/railway.utils.test.ts
@@ -1,6 +1,5 @@
-import { describe, expect, test } from 'bun:test'
 import { readFileSync } from 'node:fs'
-import { resolve } from 'node:path'
+import { describe, expect, test } from 'vitest'
 
 import {
   assertFreshRailwayReferenceProvisioning,
@@ -103,14 +102,14 @@ describe('Railway CLI output parsing', () => {
   })
 
   test('checks fresh-service references before Railway can create the service', () => {
-    const deploy = readFileSync(resolve(import.meta.dir, '../../scripts/deploy-railway.ts'), 'utf8')
+    const deploy = readFileSync(new URL('../../scripts/deploy-railway.ts', import.meta.url), 'utf8')
 
     expect(
-      deploy.indexOf('assertFreshRailwayReferenceProvisioning(Bun.env, true)')
+      deploy.indexOf('assertFreshRailwayReferenceProvisioning(process.env, true)')
     ).toBeGreaterThan(-1)
-    expect(deploy.indexOf('assertFreshRailwayReferenceProvisioning(Bun.env, true)')).toBeLessThan(
-      deploy.indexOf('railway add --service')
-    )
+    expect(
+      deploy.indexOf('assertFreshRailwayReferenceProvisioning(process.env, true)')
+    ).toBeLessThan(deploy.indexOf('railway add --service'))
   })
 
   test('synchronizes every optional variable with explicit safe defaults', () => {
@@ -176,7 +175,7 @@ describe('Railway CLI output parsing', () => {
   })
 
   test('allows Compose deployments to omit inactive reference configuration', () => {
-    const compose = readFileSync(resolve(import.meta.dir, '../../docker-compose.yml'), 'utf8')
+    const compose = readFileSync(new URL('../../docker-compose.yml', import.meta.url), 'utf8')
 
     expect(compose).toContain('REFERENCE_RPC_URL: ${REFERENCE_RPC_URL:-}')
     expect(compose).toContain('REFERENCE_MARKET_ID: ${REFERENCE_MARKET_ID:-}')
diff --git a/bots/market-making/tsconfig.json b/bots/market-making/tsconfig.json
index d3faa43b..5d7900f2 100644
--- a/bots/market-making/tsconfig.json
+++ b/bots/market-making/tsconfig.json
@@ -1,6 +1,10 @@
 {
   "extends": "@repo/typescript-config/base",
-  "compilerOptions": { "types": ["bun"], "lib": ["ESNext", "DOM"], "jsx": "react-jsx" },
-  "include": ["src", "test", "scripts", "playground/*.ts", "playground/*.tsx"],
+  "compilerOptions": {
+    "jsx": "react-jsx",
+    "lib": ["ESNext", "DOM"],
+    "types": ["node", "react", "react-dom"]
+  },
+  "include": ["playground", "src", "test", "scripts"],
   "exclude": ["node_modules"]
 }
diff --git a/bots/market-making/typedoc.json b/bots/market-making/typedoc.json
index 7ca6de67..7803bdd9 100644
--- a/bots/market-making/typedoc.json
+++ b/bots/market-making/typedoc.json
@@ -31,10 +31,8 @@
     "src/config/config-validation.error.ts",
     "src/config/config.service.ts",
     "src/config/config.utils.ts",
-    "src/config/market-collections.ts",
     "src/domain/bootstrap/bootstrap-configuration.error.ts",
     "src/domain/bootstrap/position-bootstrap.ts",
-    "src/domain/bytes32.ts",
     "src/domain/ladder/ladder-configuration.error.ts",
     "src/domain/ladder/ladder.ts",
     "src/infrastructure/bootstrap/bootstrap-hard-halt.error.ts",
@@ -89,8 +87,7 @@
     "src/infrastructure/reference/blue-reference-reader.utils.ts",
     "src/infrastructure/reference/reference-adapter.error.ts",
     "scripts/js-doc-validation.error.ts",
-    "scripts/railway-deployment.error.ts",
-    "scripts/railway.utils.ts"
+    "scripts/bundle-failed.error.ts"
   ],
   "tsconfig": "tsconfig.json",
   "out": "build/jsdoc",
diff --git a/bots/market-making/vitest.config.ts b/bots/market-making/vitest.config.ts
new file mode 100644
index 00000000..eb7a4c1b
--- /dev/null
+++ b/bots/market-making/vitest.config.ts
@@ -0,0 +1,23 @@
+import { fileURLToPath } from 'node:url'
+import { loadEnv } from 'vite'
+import { defineConfig } from 'vitest/config'
+
+const BOT_DIR = fileURLToPath(new URL('.', import.meta.url))
+
+export default defineConfig({
+  test: {
+    name: 'market-making',
+    // This bot is the one member with a test outside `test/`: scripts/check-jsdoc.test.ts. Without
+    // `scripts/` in `include`, vitest's default glob silently collects one file fewer and the suite
+    // still reports green — so both roots are listed explicitly.
+    include: ['test/**/*.test.ts', 'scripts/**/*.test.ts'],
+    // Several cases here spawn the CLI as a real subprocess through tsx. A tsx cold start is ~1.3s
+    // against bun's ~0.1s, and with projects running in parallel the slowest of them exceeded the 5s
+    // default under CPU contention. The subprocess work is genuinely slower now, so the ceiling is
+    // raised rather than the parallelism reduced.
+    testTimeout: 30_000,
+    // The e2e suite forks Base and reads RPC_URL_8453; see the liquidation bots' configs for why
+    // loadEnv is safe when the file is absent.
+    env: loadEnv('test', BOT_DIR, '')
+  }
+})
diff --git a/bots/midnight-crossed-books/Dockerfile b/bots/midnight-crossed-books/Dockerfile
index bf0bce41..eb154cf5 100644
--- a/bots/midnight-crossed-books/Dockerfile
+++ b/bots/midnight-crossed-books/Dockerfile
@@ -1,13 +1,9 @@
 # syntax=docker/dockerfile:1
-# pnpm-workspace image for the midnight-crossed-books bot. The build context MUST be the repo root so
-# the workspace packages (packages/*) resolve — docker-compose.yml sets `context: ../..`.
-#
-# pnpm owns installs, but bun is still the runtime, so this image carries both. The base is Node
-# because pnpm is activated through corepack, which the oven/bun images do not provide; bun comes in
-# as a single copied binary. Both pnpm and bun must stay on PATH in the FINAL image: `start` fires
-# `prestart`, which runs `generate:api` and then `pnpm -r run build` for @repo/contracts' dist/.
+# Image for the midnight-crossed-books bot. The build context MUST be the repo root so the workspace
+# packages (packages/*) resolve — docker-compose.yml sets `context: ../..`. The bot's `build` script
+# runs `generate:api` first, so the OpenAPI types are generated during the image build.
+# Node only: pnpm installs, esbuild bundles, node runs.
 FROM node:24.14.1-slim
-COPY --from=oven/bun:1.3.12-slim /usr/local/bin/bun /usr/local/bin/bun
 ENV COREPACK_ENABLE_DOWNLOAD_PROMPT=0
 
 # The container's environment holds a funded EOA key, so nothing here may run as root — the previous
@@ -20,8 +16,8 @@ WORKDIR /repo
 USER node
 
 # Manifests first, so the install layer is cached. `corepack install` pre-fetches the pnpm version
-# pinned in package.json#packageManager, so no download happens at container start.
-COPY --chown=node:node package.json pnpm-workspace.yaml pnpm-lock.yaml bunfig.toml ./
+# pinned in package.json#packageManager.
+COPY --chown=node:node package.json pnpm-workspace.yaml pnpm-lock.yaml ./
 RUN corepack install
 
 # All members' package.json are needed for pnpm to resolve the `workspace:*` links.
@@ -29,5 +25,9 @@ COPY --chown=node:node packages ./packages
 COPY --chown=node:node bots ./bots
 RUN pnpm install --frozen-lockfile
 
+# Bundle at image-build time: workspace dists plus this bot's esbuild bundle (soltag `sol``` templates
+# compiled in where present), so the container starts a plain `node` with no runtime transform.
+RUN pnpm -r --if-present run build
+
 WORKDIR /repo/bots/midnight-crossed-books
-CMD ["bun", "run", "start"]
+CMD ["node", "dist/src/index.js"]
diff --git a/bots/midnight-crossed-books/README.md b/bots/midnight-crossed-books/README.md
index d0253a12..a7c2eb39 100644
--- a/bots/midnight-crossed-books/README.md
+++ b/bots/midnight-crossed-books/README.md
@@ -85,7 +85,7 @@ bot runtime secrets remain on Railway.
 ## Test
 
 ```sh
-bun test bots/midnight-crossed-books/test
+pnpm --filter @morpho-org/midnight-crossed-books exec vitest run
 forge test --root packages/contracts -vv
 ```
 
diff --git a/bots/midnight-crossed-books/package.json b/bots/midnight-crossed-books/package.json
index d9d47745..4fb5ca68 100644
--- a/bots/midnight-crossed-books/package.json
+++ b/bots/midnight-crossed-books/package.json
@@ -5,11 +5,12 @@
   "license": "Apache-2.0",
   "type": "module",
   "scripts": {
-    "prestart": "pnpm run generate:api && pnpm -r --parallel --if-present run build",
-    "start": "bun src/index.ts",
-    "typecheck": "pnpm run generate:api && tsc --noEmit",
-    "deploy:railway": "bun run scripts/deploy-railway.ts",
-    "generate:api": "openapi-typescript morpho-api.json -o src/infrastructure/morpho-api/generated/morpho-api.types.ts && openapi-typescript router-api.json -o src/infrastructure/router-api/generated/router-api.types.ts"
+    "build": "pnpm run generate:api && tsx scripts/build.ts",
+    "deploy:railway": "tsx scripts/deploy-railway.ts",
+    "generate:api": "openapi-typescript morpho-api.json -o src/infrastructure/morpho-api/generated/morpho-api.types.ts && openapi-typescript router-api.json -o src/infrastructure/router-api/generated/router-api.types.ts",
+    "prestart": "pnpm --filter \"{.}...\" --if-present run build",
+    "start": "node --env-file-if-exists=.env dist/src/index.js",
+    "typecheck": "pnpm run generate:api && tsc --noEmit"
   },
   "dependencies": {
     "@repo/bot-kit": "workspace:*",
@@ -20,8 +21,12 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
+    "@types/node": "catalog:",
+    "esbuild": "catalog:",
+    "execa": "catalog:",
     "openapi-typescript": "catalog:",
-    "typescript": "catalog:"
+    "tsx": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/bots/midnight-crossed-books/scripts/build.ts b/bots/midnight-crossed-books/scripts/build.ts
new file mode 100644
index 00000000..5a44eee5
--- /dev/null
+++ b/bots/midnight-crossed-books/scripts/build.ts
@@ -0,0 +1,30 @@
+import { build as esbuild } from 'esbuild'
+import { rmSync } from 'node:fs'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+import { BundleFailedError } from './bundle-failed.error'
+
+// Bundles the bot entrypoint to `dist/` so production runs a plain `node` with no TypeScript
+// transform at startup. This bot holds no soltag `sol``` templates, so no transform plugin is wired.
+
+const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..')
+const DIST_DIR = join(ROOT, 'dist')
+rmSync(DIST_DIR, { recursive: true, force: true })
+
+try {
+  await esbuild({
+    entryPoints: [join(ROOT, 'src/index.ts')],
+    outdir: DIST_DIR,
+    outbase: ROOT,
+    bundle: true,
+    platform: 'node',
+    format: 'esm',
+    // CJS deps reaching for require() inside an ESM bundle need a real require.
+    banner: {
+      js: "import { createRequire as __createRequire } from 'node:module'; const require = __createRequire(import.meta.url);"
+    }
+  })
+} catch (error) {
+  throw new BundleFailedError(error instanceof Error ? error.message : String(error))
+}
diff --git a/bots/midnight-crossed-books/scripts/bundle-failed.error.ts b/bots/midnight-crossed-books/scripts/bundle-failed.error.ts
new file mode 100644
index 00000000..85b07b64
--- /dev/null
+++ b/bots/midnight-crossed-books/scripts/bundle-failed.error.ts
@@ -0,0 +1,11 @@
+/** Signals that the production bundle could not be produced. */
+export class BundleFailedError extends Error {
+  /**
+   * Creates a tooling failure from the bundler's own message, without retaining source contents.
+   * @param detail - Bundler-reported reason for the failure.
+   */
+  constructor(readonly detail: string) {
+    super(`Bundle failed: ${detail}`)
+    this.name = 'BundleFailedError'
+  }
+}
diff --git a/bots/midnight-crossed-books/scripts/deploy-railway.ts b/bots/midnight-crossed-books/scripts/deploy-railway.ts
index ddd35ae3..eb7760ea 100644
--- a/bots/midnight-crossed-books/scripts/deploy-railway.ts
+++ b/bots/midnight-crossed-books/scripts/deploy-railway.ts
@@ -5,17 +5,18 @@
  * re-ship the already-provisioned service without copying any bot secrets into GitHub.
  */
 import { delay, tryCatch } from '@repo/utils'
-import { $ } from 'bun'
-import { resolve } from 'node:path'
+import { $ } from 'execa'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
 
 import { parseLatestStatus, parseServices } from './railway'
 
-const PROJECT_ID = required(Bun.env, 'RAILWAY_PROJECT_ID')
-const ENVIRONMENT = Bun.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
+const PROJECT_ID = required(process.env, 'RAILWAY_PROJECT_ID')
+const ENVIRONMENT = process.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
 const SERVICE = ENVIRONMENT === 'production' ? 'bot' : `${ENVIRONMENT}-bot`
 const DOCKERFILE_PATH = 'bots/midnight-crossed-books/Dockerfile'
-const REPO_ROOT = resolve(import.meta.dir, '..', '..', '..')
-const DEPLOY_ONLY = /^(1|true)$/i.test(Bun.env.DEPLOY_ONLY?.trim() || '')
+const REPO_ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..', '..', '..')
+const DEPLOY_ONLY = /^(1|true)$/i.test(process.env.DEPLOY_ONLY?.trim() || '')
 const TERMINAL_STATUSES = new Set([
   'SUCCESS',
   'FAILED',
@@ -58,21 +59,19 @@ function assertPrivateKey(key: string) {
 }
 
 async function assertCli() {
-  const { error } = await tryCatch(Promise.resolve($`railway --version`.quiet()))
+  const { error } = await tryCatch($`railway --version`)
   if (error) {
     throw new Error('Railway CLI not found. Install it: https://docs.railway.com/guides/cli')
   }
 }
 
 async function ensureContext() {
-  if (Bun.env.RAILWAY_TOKEN) {
+  if (process.env.RAILWAY_TOKEN) {
     console.log('Using RAILWAY_TOKEN for project context.')
     return
   }
 
-  const { error } = await tryCatch(
-    Promise.resolve($`railway link -p ${PROJECT_ID} -e ${ENVIRONMENT}`.quiet())
-  )
+  const { error } = await tryCatch($`railway link -p ${PROJECT_ID} -e ${ENVIRONMENT}`)
   if (error) {
     throw new Error(
       `Failed to link ${PROJECT_ID} (${ENVIRONMENT}). Set RAILWAY_TOKEN or run \`railway login\`.`
@@ -82,9 +81,7 @@ async function ensureContext() {
 }
 
 async function listServices() {
-  const { data, error } = await tryCatch(
-    Promise.resolve($`railway service list --json`.quiet().text())
-  )
+  const { data, error } = await tryCatch($`railway service list --json`.then(r => r.stdout))
   return error || typeof data !== 'string' ? [] : parseServices(data)
 }
 
@@ -94,27 +91,21 @@ async function ensureService() {
     return
   }
 
-  const { error } = await tryCatch(
-    Promise.resolve($`railway add --service ${SERVICE} --json`.quiet())
-  )
+  const { error } = await tryCatch($`railway add --service ${SERVICE} --json`)
   if (error) throw new Error(`Failed to create service ${SERVICE}: ${errorDetails(error)}`)
   console.log(`Created service ${SERVICE}.`)
 }
 
 async function setVariable(value: string) {
   const key = value.split('=')[0]
-  const { error } = await tryCatch(
-    Promise.resolve($`railway variable set ${value} -s ${SERVICE} --skip-deploys`.quiet())
-  )
+  const { error } = await tryCatch($`railway variable set ${value} -s ${SERVICE} --skip-deploys`)
   if (error) throw new Error(`Failed to set ${key} on ${SERVICE}: ${errorDetails(error)}`)
   console.log(`Set ${key} on ${SERVICE}.`)
 }
 
 async function setSecret(name: string, value: string) {
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway variable set ${name} --stdin -s ${SERVICE} --skip-deploys < ${Buffer.from(value, 'utf8')}`.quiet()
-    )
+    $({ input: value })`railway variable set ${name} --stdin -s ${SERVICE} --skip-deploys`
   )
   if (error) throw new Error(`Failed to set ${name} on ${SERVICE}`)
   console.log(`Set ${name} on ${SERVICE} (secret).`)
@@ -123,11 +114,9 @@ async function setSecret(name: string, value: string) {
 async function deployService() {
   const message = `deploy midnight crossed-books ${ENVIRONMENT}`
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway up -s ${SERVICE} -p ${PROJECT_ID} -e ${ENVIRONMENT} -d -m ${message}`
-        .cwd(REPO_ROOT)
-        .quiet()
-    )
+    $({
+      cwd: REPO_ROOT
+    })`railway up -s ${SERVICE} -p ${PROJECT_ID} -e ${ENVIRONMENT} -d -m ${message}`
   )
   if (error) throw new Error(`Failed to start deploy for ${SERVICE}: ${errorDetails(error)}`)
 }
@@ -147,7 +136,7 @@ async function latestStatus() {
     '1',
     '--json'
   ]
-  const { data, error } = await tryCatch(Promise.resolve($`${args}`.quiet().text()))
+  const { data, error } = await tryCatch($(args[0] ?? 'railway', args.slice(1)).then(r => r.stdout))
   return error || typeof data !== 'string' ? 'UNKNOWN' : parseLatestStatus(data)
 }
 
@@ -175,8 +164,8 @@ if (DEPLOY_ONLY) {
   await deployService()
   reportStatus(await waitForDeploy())
 } else {
-  const rpcUrl = required(Bun.env, 'RPC_URL')
-  const resolverPrivateKey = required(Bun.env, 'RESOLVER_PRIVATE_KEY')
+  const rpcUrl = required(process.env, 'RPC_URL')
+  const resolverPrivateKey = required(process.env, 'RESOLVER_PRIVATE_KEY')
   assertPrivateKey(resolverPrivateKey)
 
   await ensureContext()
diff --git a/bots/midnight-crossed-books/src/bootstrap.ts b/bots/midnight-crossed-books/src/bootstrap.ts
index 017579d3..ba18d3ce 100644
--- a/bots/midnight-crossed-books/src/bootstrap.ts
+++ b/bots/midnight-crossed-books/src/bootstrap.ts
@@ -32,7 +32,9 @@ function resolverSelector() {
   return toFunctionSelector(resolveAbi)
 }
 
-export async function createApplication(environment: Record<string, string | undefined> = Bun.env) {
+export async function createApplication(
+  environment: Record<string, string | undefined> = process.env
+) {
   const config = ConfigService.from(environment)
   const logger = createLogger('info', {
     context: {
diff --git a/bots/midnight-crossed-books/src/config/config.service.ts b/bots/midnight-crossed-books/src/config/config.service.ts
index 91da7426..3d058426 100644
--- a/bots/midnight-crossed-books/src/config/config.service.ts
+++ b/bots/midnight-crossed-books/src/config/config.service.ts
@@ -24,7 +24,7 @@ function unsignedDecimal(environment: Environment, name: string, fallback?: stri
 }
 
 export class ConfigService {
-  static from(environment: Environment = Bun.env) {
+  static from(environment: Environment = process.env) {
     const chainId = Number(unsignedDecimal(environment, 'CHAIN_ID'))
     if (chainId !== base.id) {
       throw new Error(`Unsupported CHAIN_ID ${chainId}; supported: ${base.id}`)
diff --git a/bots/midnight-crossed-books/test/application/crossed-books-bot.service.test.ts b/bots/midnight-crossed-books/test/application/crossed-books-bot.service.test.ts
index 300e2a99..437d424e 100644
--- a/bots/midnight-crossed-books/test/application/crossed-books-bot.service.test.ts
+++ b/bots/midnight-crossed-books/test/application/crossed-books-bot.service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import type {
   ListedMarketsService,
@@ -39,27 +39,27 @@ function setup(
     maxMatches?: number
   } = {}
 ) {
-  const listListedActiveMarkets = mock(async () => overrides.markets ?? [MARKET])
-  const getTakeableBook = mock(async () => {
+  const listListedActiveMarkets = vi.fn(async () => overrides.markets ?? [MARKET])
+  const getTakeableBook = vi.fn(async () => {
     if (overrides.booksError) throw overrides.booksError
     return { asks: [MATCH.ask], bids: [MATCH.bid] }
   })
-  const match = mock(() => overrides.matches ?? [MATCH, SECOND_MATCH])
-  const simulate = mock(
+  const match = vi.fn(() => overrides.matches ?? [MATCH, SECOND_MATCH])
+  const simulate = vi.fn(
     async (): Promise<SimulationResult> =>
       overrides.simulation ?? {
         status: 'ok',
         prepared: { marketId: MARKET_ID, data: '0x1234', profit: 1n }
       }
   )
-  const submit = mock(async () => undefined)
+  const submit = vi.fn(async () => undefined)
   const markets: ListedMarketsService = { listListedActiveMarkets }
   const books: OrderBookService = { getTakeableBook }
   const matching: MatchingServicePort = { match }
   const resolver: ResolverService = { simulate, submit }
   const logger = {
-    info: mock(() => undefined),
-    warn: mock(() => undefined)
+    info: vi.fn(() => undefined),
+    warn: vi.fn(() => undefined)
   }
   const service = new CrossedBooksBotService(
     markets,
@@ -164,7 +164,7 @@ describe('CrossedBooksBotService', () => {
   test('isolates a book failure and continues to the next market', async () => {
     let calls = 0
     const { service, books, submit } = setup({ markets: [MARKET, OTHER_MARKET] })
-    books.getTakeableBook = mock(async marketId => {
+    books.getTakeableBook = vi.fn(async marketId => {
       calls += 1
       if (marketId === MARKET_ID) throw new Error('router unavailable')
       return {
diff --git a/bots/midnight-crossed-books/test/config/config.service.test.ts b/bots/midnight-crossed-books/test/config/config.service.test.ts
index e6abad3f..d162b482 100644
--- a/bots/midnight-crossed-books/test/config/config.service.test.ts
+++ b/bots/midnight-crossed-books/test/config/config.service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { ConfigService } from '../../src/config/config.service'
 
diff --git a/bots/midnight-crossed-books/test/domain/matching.service.test.ts b/bots/midnight-crossed-books/test/domain/matching.service.test.ts
index 042a1e2f..07b3ff05 100644
--- a/bots/midnight-crossed-books/test/domain/matching.service.test.ts
+++ b/bots/midnight-crossed-books/test/domain/matching.service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { MatchingService } from '../../src/domain/matching.service'
 import { MARKET_ID, OTHER_MARKET_ID, makeOffer } from '../fixtures/offers'
diff --git a/bots/midnight-crossed-books/test/infrastructure/morpho-api/service.test.ts b/bots/midnight-crossed-books/test/infrastructure/morpho-api/service.test.ts
index 648834a9..d9df3627 100644
--- a/bots/midnight-crossed-books/test/infrastructure/morpho-api/service.test.ts
+++ b/bots/midnight-crossed-books/test/infrastructure/morpho-api/service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import { MorphoApiService } from '../../../src/infrastructure/morpho-api/service'
 import { MorphoApiError } from '../../../src/infrastructure/openapi/error'
@@ -13,7 +13,7 @@ function response(body: unknown, status = 200) {
 
 describe('MorphoApiService', () => {
   test('requests only listed active markets on the configured chain', async () => {
-    const GET = mock(async () => ({
+    const GET = vi.fn(async () => ({
       data: { cursor: null, data: [{ market_id: MARKET_ID }] },
       response: response({})
     }))
@@ -35,18 +35,20 @@ describe('MorphoApiService', () => {
   })
 
   test('drains cursor pagination in order', async () => {
-    const GET = mock(async (_path: string, request: { params: { query: { cursor?: string } } }) => {
-      if (!request.params.query.cursor) {
+    const GET = vi.fn(
+      async (_path: string, request: { params: { query: { cursor?: string } } }) => {
+        if (!request.params.query.cursor) {
+          return {
+            data: { cursor: 'next', data: [{ market_id: MARKET_ID }] },
+            response: response({})
+          }
+        }
         return {
-          data: { cursor: 'next', data: [{ market_id: MARKET_ID }] },
+          data: { cursor: null, data: [{ market_id: OTHER_MARKET_ID }] },
           response: response({})
         }
       }
-      return {
-        data: { cursor: null, data: [{ market_id: OTHER_MARKET_ID }] },
-        response: response({})
-      }
-    })
+    )
     const service = new MorphoApiService({ GET } as never, 8453)
 
     const markets = await service.listListedActiveMarkets()
@@ -56,7 +58,7 @@ describe('MorphoApiService', () => {
   })
 
   test('wraps a non-success response in MorphoApiError', async () => {
-    const GET = mock(async () => ({
+    const GET = vi.fn(async () => ({
       error: { code: 'SERVICE_UNAVAILABLE' },
       response: response({}, 503)
     }))
@@ -66,7 +68,7 @@ describe('MorphoApiService', () => {
   })
 
   test('wraps a rejected fetch in MorphoApiError', async () => {
-    const GET = mock(async () => {
+    const GET = vi.fn(async () => {
       throw new Error('network down')
     })
     const service = new MorphoApiService({ GET } as never, 8453)
diff --git a/bots/midnight-crossed-books/test/infrastructure/openapi-result.test.ts b/bots/midnight-crossed-books/test/infrastructure/openapi-result.test.ts
index e669e750..3caa553e 100644
--- a/bots/midnight-crossed-books/test/infrastructure/openapi-result.test.ts
+++ b/bots/midnight-crossed-books/test/infrastructure/openapi-result.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { MorphoApiError } from '../../src/infrastructure/openapi/error'
 import {
diff --git a/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.encoder.test.ts b/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.encoder.test.ts
index 238a7bd4..b8a87d59 100644
--- a/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.encoder.test.ts
+++ b/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.encoder.test.ts
@@ -1,6 +1,6 @@
 import { CrossedBooksResolver } from '@repo/contracts'
-import { describe, expect, test } from 'bun:test'
 import { decodeFunctionData, encodeFunctionResult } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 import { ViemResolverEncoder } from '../../../src/infrastructure/resolver/resolver.encoder'
 import { makeOffer } from '../../fixtures/offers'
diff --git a/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.service.test.ts b/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.service.test.ts
index d9510b9e..7f323f8b 100644
--- a/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.service.test.ts
+++ b/bots/midnight-crossed-books/test/infrastructure/resolver/resolver.service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import type { PreparedResolution } from '../../../src/domain/order-book'
 import type { ResolverTransport } from '../../../src/infrastructure/resolver/resolver.transport'
@@ -14,12 +14,12 @@ const MATCH = {
 const MATCHES = [MATCH]
 
 function setup(result: Awaited<ReturnType<ResolverTransport['simulate']>>) {
-  const simulate = mock(async () => result)
-  const submit = mock(async () => undefined)
+  const simulate = vi.fn(async () => result)
+  const submit = vi.fn(async () => undefined)
   const transport: ResolverTransport = { simulate, submit }
   const encoder = {
-    encode: mock(() => '0x1234' as const),
-    decodeProfit: mock(() => 42n)
+    encode: vi.fn(() => '0x1234' as const),
+    decodeProfit: vi.fn(() => 42n)
   }
   const service = new ResolverExecutionService(transport, encoder, 10n)
 
diff --git a/bots/midnight-crossed-books/test/infrastructure/router-api/service.test.ts b/bots/midnight-crossed-books/test/infrastructure/router-api/service.test.ts
index 65dced3d..a73ce8cf 100644
--- a/bots/midnight-crossed-books/test/infrastructure/router-api/service.test.ts
+++ b/bots/midnight-crossed-books/test/infrastructure/router-api/service.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, mock, test } from 'bun:test'
+import { describe, expect, test, vi } from 'vitest'
 
 import { RouterApiError } from '../../../src/infrastructure/openapi/error'
 import { RouterApiService } from '../../../src/infrastructure/router-api/service'
@@ -49,7 +49,7 @@ function response(body: unknown, status = 200) {
 
 describe('RouterApiService', () => {
   test('requests asks and bids concurrently through typed paths', async () => {
-    const GET = mock(async (_path: string, request: { params: { path: { side: string } } }) => ({
+    const GET = vi.fn(async (_path: string, request: { params: { path: { side: string } } }) => ({
       data: { data: [wireOffer(MARKET_ID, request.params.path.side === 'bids')] },
       response: response({})
     }))
@@ -67,7 +67,7 @@ describe('RouterApiService', () => {
   })
 
   test('maps generated snake-case offer fields to the domain model', async () => {
-    const GET = mock(async (_path: string, request: { params: { path: { side: string } } }) => ({
+    const GET = vi.fn(async (_path: string, request: { params: { path: { side: string } } }) => ({
       data: { data: [wireOffer(MARKET_ID, request.params.path.side === 'bids')] },
       response: response({})
     }))
@@ -89,7 +89,7 @@ describe('RouterApiService', () => {
   })
 
   test('drops zero-sized and wrong-market rows', async () => {
-    const GET = mock(async (_path: string, request: { params: { path: { side: string } } }) => ({
+    const GET = vi.fn(async (_path: string, request: { params: { path: { side: string } } }) => ({
       data: {
         data: [
           wireOffer(MARKET_ID, request.params.path.side === 'bids'),
@@ -108,7 +108,7 @@ describe('RouterApiService', () => {
   })
 
   test('wraps one-side HTTP failures as RouterApiError', async () => {
-    const GET = mock(async (_path: string, request: { params: { path: { side: string } } }) =>
+    const GET = vi.fn(async (_path: string, request: { params: { path: { side: string } } }) =>
       request.params.path.side === 'asks'
         ? { error: { code: 'SERVICE_UNAVAILABLE' }, response: response({}, 503) }
         : { data: { data: [] }, response: response({}) }
@@ -119,7 +119,7 @@ describe('RouterApiService', () => {
   })
 
   test('wraps rejected requests as RouterApiError', async () => {
-    const GET = mock(async () => {
+    const GET = vi.fn(async () => {
       throw new Error('timeout')
     })
     const service = new RouterApiService({ GET } as never)
diff --git a/bots/midnight-crossed-books/test/scripts/railway.test.ts b/bots/midnight-crossed-books/test/scripts/railway.test.ts
index e8a57177..5cc52429 100644
--- a/bots/midnight-crossed-books/test/scripts/railway.test.ts
+++ b/bots/midnight-crossed-books/test/scripts/railway.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { parseLatestStatus, parseServices } from '../../scripts/railway'
 
diff --git a/bots/midnight-crossed-books/tsconfig.json b/bots/midnight-crossed-books/tsconfig.json
index f1fe093b..8a06a316 100644
--- a/bots/midnight-crossed-books/tsconfig.json
+++ b/bots/midnight-crossed-books/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "extends": "@repo/typescript-config/base",
-  "compilerOptions": { "types": ["bun"] },
+  "compilerOptions": { "types": ["node"] },
   "include": ["src", "test", "scripts"],
   "exclude": ["node_modules"]
 }
diff --git a/bots/midnight-crossed-books/vitest.config.ts b/bots/midnight-crossed-books/vitest.config.ts
new file mode 100644
index 00000000..8b0f1d57
--- /dev/null
+++ b/bots/midnight-crossed-books/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'midnight-crossed-books'
+  }
+})
diff --git a/bots/midnight-liquidation/Dockerfile b/bots/midnight-liquidation/Dockerfile
index cbec722d..d4284f4f 100644
--- a/bots/midnight-liquidation/Dockerfile
+++ b/bots/midnight-liquidation/Dockerfile
@@ -1,15 +1,9 @@
 # syntax=docker/dockerfile:1
-# pnpm-workspace image for the midnight-liquidation bot. The build context MUST be the repo root so the
-# workspace packages (packages/*) resolve — docker-compose.yml sets `context: ../..` and the Railway
-# deploy runs `railway up` from the repo root. Borrower discovery polls the markets
-# liquidation-candidates HTTP API, so there is no indexer/database sidecar to build.
-#
-# pnpm owns installs, but bun is still the runtime, so this image carries both. The base is Node
-# because pnpm is activated through corepack, which the oven/bun images do not provide; bun comes in
-# as a single copied binary. Both pnpm and bun must stay on PATH in the FINAL image: `start` fires
-# `prestart`, which shells out to `pnpm -r run build` to compile @repo/contracts' gitignored dist/.
+# Image for the midnight-liquidation bot. The build context MUST be the repo root so the workspace
+# packages (packages/*) resolve — docker-compose.yml sets `context: ../..` and the Railway deploy runs
+# `railway up` from the repo root. Borrower discovery polls the markets liquidation-candidates HTTP
+# API, so there is no indexer/database sidecar to build. Node only: pnpm installs, esbuild bundles.
 FROM node:24.14.1-slim
-COPY --from=oven/bun:1.3.12-slim /usr/local/bin/bun /usr/local/bin/bun
 ENV COREPACK_ENABLE_DOWNLOAD_PROMPT=0
 
 # The container's environment holds a funded liquidator EOA key, so nothing here may run as root —
@@ -22,8 +16,8 @@ WORKDIR /repo
 USER node
 
 # Manifests first, so the install layer is cached. `corepack install` pre-fetches the pnpm version
-# pinned in package.json#packageManager, so no download happens at container start.
-COPY --chown=node:node package.json pnpm-workspace.yaml pnpm-lock.yaml bunfig.toml ./
+# pinned in package.json#packageManager.
+COPY --chown=node:node package.json pnpm-workspace.yaml pnpm-lock.yaml ./
 RUN corepack install
 
 # All members' package.json are needed for pnpm to resolve the `workspace:*` links.
@@ -31,7 +25,9 @@ COPY --chown=node:node packages ./packages
 COPY --chown=node:node bots ./bots
 RUN pnpm install --frozen-lockfile
 
-# Run the bot from its package dir (`start` builds workspaces via `prestart`, then runs src/index.ts;
-# the bot's own bunfig.toml preload compiles its soltag `sol``` lens templates at startup).
+# Bundle at image-build time: workspace dists plus this bot's esbuild bundle (soltag `sol``` templates
+# compiled in where present), so the container starts a plain `node` with no runtime transform.
+RUN pnpm -r --if-present run build
+
 WORKDIR /repo/bots/midnight-liquidation
-CMD ["bun", "run", "start"]
+CMD ["node", "dist/src/index.js"]
diff --git a/bots/midnight-liquidation/README.md b/bots/midnight-liquidation/README.md
index 2367967c..19b3ee36 100644
--- a/bots/midnight-liquidation/README.md
+++ b/bots/midnight-liquidation/README.md
@@ -29,7 +29,7 @@ This package is operational code, but it is still intentionally narrow:
 ## Prerequisites
 
 - Node.js `24.14.1` (`nvm use` from the repo root).
-- Bun `1.3.12`.
+- pnpm `11.1.1` (via corepack), Node `24.14.1`.
 - A Base RPC URL.
 - A funded liquidator EOA private key.
 - A deployed permissionless Executor contract. If `EXECUTOOOR_ADDRESS` is unset, the bot uses the
@@ -148,12 +148,12 @@ Useful validation commands while developing:
 
 ```sh
 pnpm --filter @morpho-org/midnight-liquidation run typecheck
-bun test bots/midnight-liquidation/test
+pnpm --filter @morpho-org/midnight-liquidation exec vitest run
 ```
 
 ## Testing
 
-- `bun test bots/midnight-liquidation/test` — unit tests for the sizing planner, the deployless lens,
+- `pnpm --filter @morpho-org/midnight-liquidation exec vitest run` — unit tests for the sizing planner, the deployless lens,
   discovery (the candidate + markets APIs and their shared retry loop), quoting / venue selection, the
   pending queue, eligibility, and the exec encoder.
 - **Fork suite** (`test/fork/`) — end-to-end against a real Base fork. Unlike a fixture-gated suite it
@@ -251,7 +251,7 @@ it runs the same locally or in CI.
 Railway service names are project-wide: production uses `bot`, while non-production environments use
 an environment prefix (for example, `staging-bot`).
 
-The [Dockerfile](./Dockerfile) is a single-stage Node image carrying both pnpm and bun;
+The [Dockerfile](./Dockerfile) is a single-stage Node image (pnpm installs, esbuild bundles, node runs);
 `RAILWAY_DOCKERFILE_PATH` points Railway at it and `railway up` runs from the repo root so the pnpm
 workspace resolves.
 
diff --git a/bots/midnight-liquidation/bunfig.toml b/bots/midnight-liquidation/bunfig.toml
deleted file mode 100644
index 2a03c377..00000000
--- a/bots/midnight-liquidation/bunfig.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-# Compile soltag `sol``` lens templates at runtime (`bun run start` in the Docker image) and for
-# `bun test` when run from this directory. See soltag.preload.ts for why the plugin is hand-rolled.
-preload = ["./soltag.preload.ts"]
-
-[test]
-preload = ["./soltag.preload.ts"]
diff --git a/bots/midnight-liquidation/package.json b/bots/midnight-liquidation/package.json
index 384a4eb5..15a52ead 100644
--- a/bots/midnight-liquidation/package.json
+++ b/bots/midnight-liquidation/package.json
@@ -5,10 +5,11 @@
   "license": "Apache-2.0",
   "type": "module",
   "scripts": {
-    "deploy:railway": "bun run scripts/deploy-railway.ts",
-    "seed:positions": "bun run scripts/seed-liquidatable-positions.ts",
-    "prestart": "pnpm -r --parallel --if-present run build",
-    "start": "bun src/index.ts",
+    "build": "tsx scripts/build.ts",
+    "deploy:railway": "tsx scripts/deploy-railway.ts",
+    "prestart": "pnpm --filter \"{.}...\" --if-present run build",
+    "seed:positions": "pnpm --filter \"{.}...\" --if-present run build && node --env-file-if-exists=.env dist/scripts/seed-liquidatable-positions.js",
+    "start": "node --env-file-if-exists=.env dist/src/index.js",
     "typecheck": "soltag && tsc --noEmit"
   },
   "dependencies": {
@@ -24,7 +25,12 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "esbuild": "catalog:",
+    "execa": "catalog:",
+    "tsx": "catalog:",
+    "typescript": "catalog:",
+    "vite": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/bots/midnight-liquidation/scripts/build.ts b/bots/midnight-liquidation/scripts/build.ts
new file mode 100644
index 00000000..aaa1e81a
--- /dev/null
+++ b/bots/midnight-liquidation/scripts/build.ts
@@ -0,0 +1,55 @@
+import type { Plugin } from 'esbuild'
+
+import { build as esbuild } from 'esbuild'
+import { rmSync } from 'node:fs'
+import { readFile } from 'node:fs/promises'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { transformSolTemplates } from 'soltag/unplugin'
+
+import { BundleFailedError } from './bundle-failed.error'
+
+// Bundles the bot entrypoint (and the soltag-dependent operator script) to `dist/` with the
+// `sol``` templates compiled to literal ABIs/bytecode, so production runs a plain `node` with no
+// runtime transform. This replaces the bunfig `preload` that used to compile them at startup.
+
+const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..')
+const DIST_DIR = join(ROOT, 'dist')
+rmSync(DIST_DIR, { recursive: true, force: true })
+
+const ESCAPED = ROOT.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
+// This bot's own TS sources only — bundled workspace deps ship prebuilt dist and hold no templates.
+const INCLUDE = new RegExp(`^${ESCAPED}/(?:src|scripts)/.*\\.tsx?$`)
+
+const soltagPlugin: Plugin = {
+  name: 'soltag',
+  setup(build) {
+    build.onLoad({ filter: INCLUDE }, async ({ path }) => {
+      const source = await readFile(path, 'utf8')
+      // Enable the optimizer — the lens's per-element computation has enough locals to hit
+      // "stack too deep" without it.
+      const transformed = transformSolTemplates(source, path, {
+        solc: { optimizer: { enabled: true, runs: 200 } }
+      })
+      return { contents: transformed?.code ?? source, loader: 'ts' as const }
+    })
+  }
+}
+
+try {
+  await esbuild({
+    entryPoints: [join(ROOT, 'src/index.ts'), join(ROOT, 'scripts/seed-liquidatable-positions.ts')],
+    outdir: DIST_DIR,
+    outbase: ROOT,
+    bundle: true,
+    platform: 'node',
+    format: 'esm',
+    // CJS deps reaching for require() inside an ESM bundle need a real require.
+    banner: {
+      js: "import { createRequire as __createRequire } from 'node:module'; const require = __createRequire(import.meta.url);"
+    },
+    plugins: [soltagPlugin]
+  })
+} catch (error) {
+  throw new BundleFailedError(error instanceof Error ? error.message : String(error))
+}
diff --git a/bots/midnight-liquidation/scripts/bundle-failed.error.ts b/bots/midnight-liquidation/scripts/bundle-failed.error.ts
new file mode 100644
index 00000000..85b07b64
--- /dev/null
+++ b/bots/midnight-liquidation/scripts/bundle-failed.error.ts
@@ -0,0 +1,11 @@
+/** Signals that the production bundle could not be produced. */
+export class BundleFailedError extends Error {
+  /**
+   * Creates a tooling failure from the bundler's own message, without retaining source contents.
+   * @param detail - Bundler-reported reason for the failure.
+   */
+  constructor(readonly detail: string) {
+    super(`Bundle failed: ${detail}`)
+    this.name = 'BundleFailedError'
+  }
+}
diff --git a/bots/midnight-liquidation/scripts/deploy-railway.ts b/bots/midnight-liquidation/scripts/deploy-railway.ts
index 8dd9687b..e16b58be 100644
--- a/bots/midnight-liquidation/scripts/deploy-railway.ts
+++ b/bots/midnight-liquidation/scripts/deploy-railway.ts
@@ -14,7 +14,7 @@
  *   RAILWAY_PROJECT_ID=… RPC_URL=… LIQUIDATOR_PRIVATE_KEY=0x… \
  *     pnpm --filter @morpho-org/midnight-liquidation run deploy:railway
  *
- * The build context MUST be the repo root so the bun workspace (packages/*) resolves — the script
+ * The build context MUST be the repo root so the pnpm workspace (packages/*) resolves — the script
  * runs `railway up` with cwd set to the repo root (mirrors the Dockerfile header + compose context),
  * and passes `-p/-e` explicitly so the deploy targets this project/environment regardless of whatever
  * the repo-root directory happens to be linked to (a sibling bot's deploy leaves it linked elsewhere).
@@ -26,16 +26,17 @@
  * its value; variable values are never logged.
  */
 import { delay, tryCatch } from '@repo/utils'
-import { $ } from 'bun'
-import { resolve } from 'node:path'
+import { $ } from 'execa'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
 
 // The target project is env-driven so no project identifier is baked into this (open-source) file.
 // RAILWAY_PROJECT_ID is required; RAILWAY_ENVIRONMENT defaults to the conventional `production`.
-const PROJECT_ID = required(Bun.env, 'RAILWAY_PROJECT_ID')
-const ENVIRONMENT = Bun.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
+const PROJECT_ID = required(process.env, 'RAILWAY_PROJECT_ID')
+const ENVIRONMENT = process.env.RAILWAY_ENVIRONMENT?.trim() || 'production'
 const DOCKERFILE_PATH = 'bots/midnight-liquidation/Dockerfile'
 // Repo root is three levels up from this file (scripts → midnight-liquidation → bots → repo root).
-const REPO_ROOT = resolve(import.meta.dir, '..', '..', '..')
+const REPO_ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..', '..', '..')
 
 type Env = Record<string, string | undefined>
 type RailwayService = { id: string; name: string }
@@ -63,8 +64,8 @@ function str(value: unknown): string {
 }
 
 // Surface a failed `railway` command's stderr so failures are actionable (the CLI writes the real
-// reason — plan limits, auth, selection prompts — to stderr). Bun's ShellError carries `.stderr` as
-// bytes; fall back to the generic message. Safe for non-secret commands; never used on setSecret.
+// reason — plan limits, auth, selection prompts — to stderr). execa's error carries `.stderr` as a
+// string; fall back to the generic message. Safe for non-secret commands; never used on setSecret.
 function stderrOf(error: unknown): string {
   if (isRecord(error) && 'stderr' in error) {
     const s = (error as { stderr: unknown }).stderr
@@ -108,7 +109,7 @@ function parseLatestStatus(raw: string): string {
 }
 
 async function assertCli(): Promise<void> {
-  const { error } = await tryCatch(Promise.resolve($`railway --version`.quiet()))
+  const { error } = await tryCatch($`railway --version`)
   if (error)
     throw new Error('Railway CLI not found. Install it: https://docs.railway.com/guides/cli')
 }
@@ -116,13 +117,11 @@ async function assertCli(): Promise<void> {
 // `railway add` has no --project/--environment flag, so it acts on the linked context. A project
 // token scopes every command implicitly; otherwise we link the project id once for this run.
 async function ensureContext(): Promise<void> {
-  if (Bun.env.RAILWAY_TOKEN) {
+  if (process.env.RAILWAY_TOKEN) {
     console.log('Using RAILWAY_TOKEN for project context.')
     return
   }
-  const { error } = await tryCatch(
-    Promise.resolve($`railway link -p ${PROJECT_ID} -e ${ENVIRONMENT}`.quiet())
-  )
+  const { error } = await tryCatch($`railway link -p ${PROJECT_ID} -e ${ENVIRONMENT}`)
   if (error) {
     throw new Error(
       `Failed to link ${PROJECT_ID} (${ENVIRONMENT}). Set RAILWAY_TOKEN or run \`railway login\`.`
@@ -132,9 +131,7 @@ async function ensureContext(): Promise<void> {
 }
 
 async function listServices(): Promise<RailwayService[]> {
-  const { data, error } = await tryCatch(
-    Promise.resolve($`railway service list --json`.quiet().text())
-  )
+  const { data, error } = await tryCatch($`railway service list --json`.then(r => r.stdout))
   return error || typeof data !== 'string' ? [] : parseServices(data)
 }
 
@@ -144,16 +141,14 @@ async function ensureService(name: string): Promise<void> {
     return
   }
   console.log(`Creating service ${name}…`)
-  const { error } = await tryCatch(Promise.resolve($`railway add --service ${name} --json`.quiet()))
+  const { error } = await tryCatch($`railway add --service ${name} --json`)
   if (error) throw new Error(`Failed to create service ${name}: ${stderrOf(error)}`)
 }
 
 // Non-secret variable. `kv` is a single "KEY=VALUE" arg; only the key is logged.
 async function setVar(service: string, kv: string): Promise<void> {
   const key = kv.split('=')[0]
-  const { error } = await tryCatch(
-    Promise.resolve($`railway variable set ${kv} -s ${service} --skip-deploys`.quiet())
-  )
+  const { error } = await tryCatch($`railway variable set ${kv} -s ${service} --skip-deploys`)
   if (error) throw new Error(`Failed to set ${key} on ${service}: ${stderrOf(error)}`)
   console.log(`Set ${key} on ${service}.`)
 }
@@ -161,9 +156,7 @@ async function setVar(service: string, kv: string): Promise<void> {
 // Secret variable: value piped via stdin (never argv), `--json` omitted (it echoes raw values).
 async function setSecret(service: string, key: string, value: string): Promise<void> {
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway variable set ${key} --stdin -s ${service} --skip-deploys < ${Buffer.from(value, 'utf8')}`.quiet()
-    )
+    $({ input: value })`railway variable set ${key} --stdin -s ${service} --skip-deploys`
   )
   if (error) throw new Error(`Failed to set ${key} on ${service}`)
   console.log(`Set ${key} on ${service} (secret).`)
@@ -172,14 +165,12 @@ async function setSecret(service: string, key: string, value: string): Promise<v
 async function deployService(service: string): Promise<void> {
   console.log(`Deploying ${service} from repo root…`)
   // `railway up` runs with cwd = REPO_ROOT (build context), but the script only ever links the
-  // *package* dir (ensureContext, which is where bun runs it). Railway links are per-directory, so
+  // *package* dir (ensureContext, which is where pnpm runs it). Railway links are per-directory, so
   // without explicit flags `up` would inherit whatever REPO_ROOT happens to be linked to — e.g. a
   // sibling bot's project after its last deploy, which fails with "No environment specified" or, worse,
   // targets the wrong project. Scope the deploy explicitly so it never depends on ambient link state.
   const { error } = await tryCatch(
-    Promise.resolve(
-      $`railway up -s ${service} -p ${PROJECT_ID} -e ${ENVIRONMENT} -d`.cwd(REPO_ROOT).quiet()
-    )
+    $({ cwd: REPO_ROOT })`railway up -s ${service} -p ${PROJECT_ID} -e ${ENVIRONMENT} -d`
   )
   if (error) throw new Error(`Failed to start deploy for ${service}: ${stderrOf(error)}`)
 }
@@ -200,7 +191,7 @@ async function latestStatus(service: string): Promise<string> {
     '1',
     '--json'
   ]
-  const { data, error } = await tryCatch(Promise.resolve($`${args}`.quiet().text()))
+  const { data, error } = await tryCatch($(args[0] ?? 'railway', args.slice(1)).then(r => r.stdout))
   return error || typeof data !== 'string' ? 'UNKNOWN' : parseLatestStatus(data)
 }
 
@@ -228,7 +219,7 @@ const BOT_SERVICE = serviceName('bot')
 // stage GitHub Environment holds only RAILWAY_TOKEN + RAILWAY_PROJECT_ID, and the service/secrets
 // were provisioned once by a full (secret-bearing) run of this script. Skips the RPC/key/venue
 // requirements the full path enforces, so it never needs those secrets in CI.
-if (/^(1|true)$/i.test(Bun.env.DEPLOY_ONLY?.trim() ?? '')) {
+if (/^(1|true)$/i.test(process.env.DEPLOY_ONLY?.trim() ?? '')) {
   await ensureContext()
   await deployService(BOT_SERVICE) // `railway up` rebuilds it server-side
   const status = await waitForDeploy(BOT_SERVICE)
@@ -239,17 +230,17 @@ if (/^(1|true)$/i.test(Bun.env.DEPLOY_ONLY?.trim() ?? '')) {
 }
 
 // Secrets / config from this process's env (fail loud before mutating any Railway state).
-const rpcUrl = required(Bun.env, 'RPC_URL')
-const liquidatorPrivateKey = required(Bun.env, 'LIQUIDATOR_PRIVATE_KEY')
+const rpcUrl = required(process.env, 'RPC_URL')
+const liquidatorPrivateKey = required(process.env, 'LIQUIDATOR_PRIVATE_KEY')
 assertPrivateKey(liquidatorPrivateKey)
 
 // Venues are enabled by the presence of their API key. The bot hard-fails at boot with no key unless
 // ALLOW_BAD_DEBT_ONLY=true — so require the operator to pass a venue key (pushed as a secret) or
 // explicitly opt into bad-debt-only here, rather than deploying a service that crash-loops.
-const zeroxKey = Bun.env.ZEROX_API_KEY?.trim()
-const oneinchKey = Bun.env.ONEINCH_API_KEY?.trim()
-const lifiKey = Bun.env.LIFI_API_KEY?.trim()
-const allowBadDebtOnly = Bun.env.ALLOW_BAD_DEBT_ONLY?.trim().toLowerCase() === 'true'
+const zeroxKey = process.env.ZEROX_API_KEY?.trim()
+const oneinchKey = process.env.ONEINCH_API_KEY?.trim()
+const lifiKey = process.env.LIFI_API_KEY?.trim()
+const allowBadDebtOnly = process.env.ALLOW_BAD_DEBT_ONLY?.trim().toLowerCase() === 'true'
 if (!zeroxKey && !oneinchKey && !lifiKey && !allowBadDebtOnly) {
   throw new Error(
     'Set LIFI_API_KEY, ZEROX_API_KEY, and/or ONEINCH_API_KEY, or ALLOW_BAD_DEBT_ONLY=true to deploy bad-debt-only.'
@@ -258,9 +249,9 @@ if (!zeroxKey && !oneinchKey && !lifiKey && !allowBadDebtOnly) {
 
 // Optional BetterStack log shipping: host is a plain var, token is a secret. Off when unset — the
 // bot's in-process loglayer transport stays inert, so the container behaves exactly as before.
-const betterstackHost = Bun.env.BETTERSTACK_INGESTING_HOST?.trim()
-const betterstackToken = Bun.env.BETTERSTACK_SOURCE_TOKEN?.trim()
-const betterstackHeartbeatUrl = Bun.env.BETTERSTACK_HEARTBEAT_URL?.trim()
+const betterstackHost = process.env.BETTERSTACK_INGESTING_HOST?.trim()
+const betterstackToken = process.env.BETTERSTACK_SOURCE_TOKEN?.trim()
+const betterstackHeartbeatUrl = process.env.BETTERSTACK_HEARTBEAT_URL?.trim()
 
 await ensureContext()
 
diff --git a/bots/midnight-liquidation/scripts/seed-liquidatable-positions.ts b/bots/midnight-liquidation/scripts/seed-liquidatable-positions.ts
index 9e9b1883..5146e357 100644
--- a/bots/midnight-liquidation/scripts/seed-liquidatable-positions.ts
+++ b/bots/midnight-liquidation/scripts/seed-liquidatable-positions.ts
@@ -17,11 +17,11 @@
  * offer/ratifier path before the other N-1 are touched). `--dry-run` runs discovery + all
  * cryptographic self-checks + prints the capital plan, and sends nothing.
  *
- * Run from the bot directory (so the bunfig soltag preload compiles the lens). `--config` is this
- * tool's OWN swap-route file (it needs a WETH route to fund the seed swaps); it is unrelated to the
- * bot's runtime, which no longer uses a swap-config file:
+ * The package script builds the Node bundle with the soltag transform before running it. `--config`
+ * is this tool's OWN swap-route file (it needs a WETH route to fund the seed swaps); it is unrelated
+ * to the bot's runtime, which no longer uses a swap-config file:
  *   RPC_URL=... PRIVATE_KEY_LENDER=0x... PRIVATE_KEY_BORROWER=0x... \
- *     bun scripts/seed-liquidatable-positions.ts \
+ *     pnpm --filter @morpho-org/midnight-liquidation run seed:positions -- \
  *       --config ./swap.config.json --pair WETH/USDC --count 100 --drawdown-bps 0 --dry-run
  *
  * Never prints secrets (keys, full RPC URL).
@@ -33,6 +33,7 @@ import { MidnightAbi } from '@repo/contracts'
 import { parseSwapConfig } from '@repo/swaps'
 import { delay as sleep, lensKey, tryCatch } from '@repo/utils'
 import { readFileSync } from 'node:fs'
+import { createInterface } from 'node:readline/promises'
 import { parseArgs } from 'node:util'
 import {
   createPublicClient,
@@ -64,6 +65,19 @@ import { encodeRatifierData, hashOffer, isLeaf, signOfferTree, toId } from './se
 import { DEFAULT_TICK_SPACING, priceToTick, tickToPrice } from './seed/price-tick'
 import { priceDropToLiquidateBps, sizePosition } from './seed/sizing'
 
+// bun exposed a global synchronous `confirm()`; Node does not. Same contract: anything other than an
+// explicit y/yes is a decline, and a non-interactive stdin declines rather than hanging a CI run.
+const confirmPrompt = async (question: string): Promise<boolean> => {
+  if (!process.stdin.isTTY) return false
+  const rl = createInterface({ input: process.stdin, output: process.stdout })
+  try {
+    const answer = await rl.question(`${question} [y/N] `)
+    return /^y(es)?$/i.test(answer.trim())
+  } finally {
+    rl.close()
+  }
+}
+
 const CHAIN_ID = 8453
 const MIDNIGHT = getAddress('0xAdedD8ab6dE832766Fedf0FaC4992E5C4D3EA18A')
 const PRIVATE_KEY_HEX_LENGTH = 66
@@ -768,7 +782,7 @@ async function main() {
     logger.info('seed.dry_run_complete', { detail: 'self-checks passed; no transactions sent' })
     return
   }
-  if (!args.yes && !confirm('Proceed to send REAL transactions on Base mainnet?')) {
+  if (!args.yes && !(await confirmPrompt('Proceed to send REAL transactions on Base mainnet?'))) {
     logger.warn('seed.aborted', { detail: 'user declined' })
     return
   }
diff --git a/bots/midnight-liquidation/soltag.preload.ts b/bots/midnight-liquidation/soltag.preload.ts
deleted file mode 100644
index cd982b58..00000000
--- a/bots/midnight-liquidation/soltag.preload.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import { transformSolTemplates } from 'soltag/unplugin'
-
-// soltag is a build-time-only transform: its `sol``` tagged templates throw at runtime unless a
-// bundler/loader plugin compiles them (via solc). unplugin's own bun adapter (`unplugin.bun()`) is
-// unusable under bun — it returns `undefined` from `onLoad` for files it doesn't transform, which
-// bun rejects ("Expected module mock to return an object"). So we drive soltag's exported core
-// transform from a bun loader plugin: it matches every TS source under this bot (where soltag is a
-// dependency — other workspaces don't use it), and returns files unchanged when they hold no
-// template to compile. Wired via bunfig `preload` for both `bun test` and `bun run`.
-
-const BOT_DIR = import.meta.dir
-const ESCAPED = BOT_DIR.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
-// Matches `<bot>/**/*.{ts,tsx,mts,cts}`, excluding any nested node_modules.
-const INCLUDE = new RegExp(`^${ESCAPED}/(?:(?!/node_modules/).)*\\.(?:m|c)?tsx?$`)
-
-Bun.plugin({
-  name: 'soltag',
-  setup(build) {
-    build.onLoad({ filter: INCLUDE }, async ({ path }) => {
-      const source = await Bun.file(path).text()
-      const loader = path.endsWith('.tsx') ? 'tsx' : 'ts'
-      // Enable the optimizer — the lens's per-element computation has enough locals to hit
-      // "stack too deep" without it.
-      const transformed = transformSolTemplates(source, path, {
-        solc: { optimizer: { enabled: true, runs: 200 } }
-      })
-      return { contents: transformed?.code ?? source, loader }
-    })
-  }
-})
diff --git a/bots/midnight-liquidation/src/config.ts b/bots/midnight-liquidation/src/config.ts
index c3987edf..e06af5b8 100644
--- a/bots/midnight-liquidation/src/config.ts
+++ b/bots/midnight-liquidation/src/config.ts
@@ -285,7 +285,7 @@ function addressListEnv(env: Env, name: string): Address[] {
  * run separately at startup in `index.ts` once a public client exists.
  */
 export function loadConfig(
-  env: Env = Bun.env,
+  env: Env = process.env,
   deps: { chainMap?: Record<number, ChainConfig> } = {}
 ): Config {
   const chainMap = deps.chainMap ?? CHAIN_MAP
diff --git a/bots/midnight-liquidation/src/index.ts b/bots/midnight-liquidation/src/index.ts
index 3e3f8f72..f26da88c 100644
--- a/bots/midnight-liquidation/src/index.ts
+++ b/bots/midnight-liquidation/src/index.ts
@@ -98,9 +98,9 @@ async function main() {
   // no-key → bad-debt-only opt-in). Keys are read HERE, at the point of use, and live only in this
   // closure — never on the (logged) Config object.
   const apiKeys: Partial<Record<Venue, string>> = {}
-  if (Bun.env.ZEROX_API_KEY) apiKeys['0x'] = Bun.env.ZEROX_API_KEY
-  if (Bun.env.ONEINCH_API_KEY) apiKeys['1inch'] = Bun.env.ONEINCH_API_KEY
-  if (Bun.env.LIFI_API_KEY) apiKeys.lifi = Bun.env.LIFI_API_KEY
+  if (process.env.ZEROX_API_KEY) apiKeys['0x'] = process.env.ZEROX_API_KEY
+  if (process.env.ONEINCH_API_KEY) apiKeys['1inch'] = process.env.ONEINCH_API_KEY
+  if (process.env.LIFI_API_KEY) apiKeys.lifi = process.env.LIFI_API_KEY
   const venues = config.venues.enabled
   if (venues.length === 0) {
     logger.warn('quoting.no_routes', {
@@ -293,7 +293,7 @@ async function main() {
     logger
   })
   const heartbeatMonitor = createHeartbeatMonitor({
-    url: Bun.env.BETTERSTACK_HEARTBEAT_URL,
+    url: process.env.BETTERSTACK_HEARTBEAT_URL,
     logger
   })
   void heartbeatMonitor.start()
diff --git a/bots/midnight-liquidation/src/state/lens.sol.ts b/bots/midnight-liquidation/src/state/lens.sol.ts
index df92fb87..3db84d95 100644
--- a/bots/midnight-liquidation/src/state/lens.sol.ts
+++ b/bots/midnight-liquidation/src/state/lens.sol.ts
@@ -15,7 +15,8 @@ import type { Market } from '../execution/encode-call'
 // struct, so no off-chain market input or `id == toId(market)` re-check is needed — then composes
 // liquidatability + the sizing inputs (maxDebt/badDebt/best-collateral) the way liquidate() does and
 // returns the Market so the caller can encode the liquidate call. Compiled to a deployless factory by
-// the soltag bun preload (see ../../soltag.preload.ts); `sol``` throws if not active.
+// the soltag transform — the esbuild plugin in scripts/build.ts for the shipped bundle, and
+// soltag/vite for tests; `sol``` throws if neither is active.
 export const MidnightLiquidationLens = sol('MidnightLiquidationLens')`
 // SPDX-License-Identifier: GPL-2.0-or-later
 pragma solidity ^0.8.19;
diff --git a/bots/midnight-liquidation/test/config.test.ts b/bots/midnight-liquidation/test/config.test.ts
index 2b670a06..1e91c954 100644
--- a/bots/midnight-liquidation/test/config.test.ts
+++ b/bots/midnight-liquidation/test/config.test.ts
@@ -1,9 +1,9 @@
 import type { Address } from 'viem'
 
 import { Executor } from '@repo/contracts'
-import { describe, expect, it } from 'bun:test'
 import { getAddress, parseGwei } from 'viem'
 import { mainnet } from 'viem/chains'
+import { describe, expect, it } from 'vitest'
 
 import type { ChainConfig, Config } from '../src/config'
 
diff --git a/bots/midnight-liquidation/test/constants.test.ts b/bots/midnight-liquidation/test/constants.test.ts
index c029c111..9ffd597c 100644
--- a/bots/midnight-liquidation/test/constants.test.ts
+++ b/bots/midnight-liquidation/test/constants.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { keccak256, parseEther, stringToBytes } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import {
   CALLBACK_SUCCESS,
diff --git a/bots/midnight-liquidation/test/contracts/executor.sol.test.ts b/bots/midnight-liquidation/test/contracts/executor.sol.test.ts
index 5fa242bc..508c6078 100644
--- a/bots/midnight-liquidation/test/contracts/executor.sol.test.ts
+++ b/bots/midnight-liquidation/test/contracts/executor.sol.test.ts
@@ -1,10 +1,11 @@
 import { Executor } from '@repo/contracts'
-import { describe, expect, test } from 'bun:test'
 import { executorAbi as upstreamExecutorAbi } from 'executooor-viem'
 import { readFileSync } from 'node:fs'
-import { join } from 'node:path'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import solc from 'solc'
 import { toFunctionSelector } from 'viem'
+import { describe, expect, test } from 'vitest'
 
 // Verifies the vendored Executor singleton (@repo/contracts/solidity/Executor.sol — a single
 // self-contained file with IExecutor/Placeholder inlined): it must compile clean for Cancun, its
@@ -13,7 +14,10 @@ import { toFunctionSelector } from 'viem'
 // constructor, same call surface). solc runs once per file (~seconds), so all assertions share one
 // compile.
 
-const CONTRACTS_DIR = join(import.meta.dir, '../../../../packages/contracts/solidity')
+const CONTRACTS_DIR = join(
+  dirname(fileURLToPath(import.meta.url)),
+  '../../../../packages/contracts/solidity'
+)
 
 function compile() {
   const input = {
diff --git a/bots/midnight-liquidation/test/discovery/borrowers.test.ts b/bots/midnight-liquidation/test/discovery/borrowers.test.ts
index ec7eb2a7..3b03effe 100644
--- a/bots/midnight-liquidation/test/discovery/borrowers.test.ts
+++ b/bots/midnight-liquidation/test/discovery/borrowers.test.ts
@@ -1,8 +1,8 @@
 import type { Logger } from '@repo/bot-kit'
 import type { Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { CandidatePage, FetchCandidatePage } from '../../src/discovery/borrowers'
 
@@ -213,6 +213,6 @@ describe('createApiCandidateSource', () => {
       healthFactorLte: 1.02,
       fetchImpl
     })
-    expect(source('bad-cursor')).rejects.toThrow('HTTP 400')
+    await expect(source('bad-cursor')).rejects.toThrow('HTTP 400')
   })
 })
diff --git a/bots/midnight-liquidation/test/discovery/markets.test.ts b/bots/midnight-liquidation/test/discovery/markets.test.ts
index a5ccf7fe..024732c4 100644
--- a/bots/midnight-liquidation/test/discovery/markets.test.ts
+++ b/bots/midnight-liquidation/test/discovery/markets.test.ts
@@ -1,7 +1,7 @@
 import type { Logger } from '@repo/bot-kit'
 import type { Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { createListedMarketFilter } from '../../src/discovery/markets'
 
diff --git a/bots/midnight-liquidation/test/execution/encode-call.test.ts b/bots/midnight-liquidation/test/execution/encode-call.test.ts
index 5f767af5..175e976a 100644
--- a/bots/midnight-liquidation/test/execution/encode-call.test.ts
+++ b/bots/midnight-liquidation/test/execution/encode-call.test.ts
@@ -2,7 +2,6 @@ import type { SwapPlan } from '@repo/swaps'
 import type { Hex } from 'viem'
 
 import { MidnightAbi } from '@repo/contracts'
-import { describe, expect, it } from 'bun:test'
 import { executorAbi } from 'executooor-viem'
 import {
   decodeAbiParameters,
@@ -12,6 +11,7 @@ import {
   isAddressEqual,
   zeroAddress
 } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { CollateralParams, Market } from '../../src/execution/encode-call'
 
diff --git a/bots/midnight-liquidation/test/execution/swap-step.test.ts b/bots/midnight-liquidation/test/execution/swap-step.test.ts
index 604bfe68..255a510e 100644
--- a/bots/midnight-liquidation/test/execution/swap-step.test.ts
+++ b/bots/midnight-liquidation/test/execution/swap-step.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress, zeroAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { LiquidationPlan } from '../../src/sizing/plan'
 import type { LensOut } from '../../src/state/lens.sol'
diff --git a/bots/midnight-liquidation/test/fork/harness.ts b/bots/midnight-liquidation/test/fork/harness.ts
index 40a6f42d..3b4adc04 100644
--- a/bots/midnight-liquidation/test/fork/harness.ts
+++ b/bots/midnight-liquidation/test/fork/harness.ts
@@ -1,8 +1,10 @@
-import type { Subprocess } from 'bun'
+import type { ChildProcess } from 'node:child_process'
 import type { Address, Hex } from 'viem'
 
 import { Executor } from '@repo/contracts'
 import { ensureError } from '@repo/utils'
+import { spawn } from 'node:child_process'
+import { setTimeout as sleep } from 'node:timers/promises'
 import { createTestClient, createWalletClient, http, parseEther, publicActions } from 'viem'
 import { privateKeyToAccount } from 'viem/accounts'
 import { base } from 'viem/chains'
@@ -14,7 +16,7 @@ import { base } from 'viem/chains'
 // end-to-end), then the suite warps past `maturity` to make it post-maturity liquidatable. FORK_BLOCK
 // is a fixed block shortly after the deploy so the WETH oracle price and the WETH/USDC pool are
 // deterministic; RPC_URL_8453 must be an archive endpoint that serves it (CI secret; locally set it in
-// .env.test.local — bun does NOT load .env.local under NODE_ENV=test).
+// .env.test.local — loaded explicitly by vitest.config.ts via vite's loadEnv).
 const FORK_BLOCK = 48_300_000n
 export const MIDNIGHT = '0xAdedD8ab6dE832766Fedf0FaC4992E5C4D3EA18A' as Address
 
@@ -68,8 +70,23 @@ export type TestClient = ReturnType<typeof testClient>
 // instances: when the process is slow to exit (its keep-alive sockets stall the SIGTERM it sends), an
 // internal `stopTimeout` promise escapes as an unhandled "Anvil failed to stop in time" rejection
 // that bun's test runner fails the suite on, and the child is left orphaned (port bound for the next
-// run). A bare `Bun.spawn` gives us `.kill('SIGKILL')` + `.exited`, which terminate deterministically.
-export type ForkHandle = Subprocess
+// run). A bare child_process spawn gives us SIGKILL + an exit promise, which terminate deterministically.
+export type ForkHandle = {
+  kill: (signal: NodeJS.Signals) => void
+  /** Resolves with the exit code once the child has actually gone (Node has no `.exited`). */
+  exited: Promise<number | null>
+}
+
+// Wraps a ChildProcess in the tiny surface the teardown needs. The `exited` promise is built here,
+// at spawn time, so its `exit` listener is attached before the child can possibly exit.
+const toForkHandle = (child: ChildProcess): ForkHandle => ({
+  kill: signal => {
+    child.kill(signal)
+  },
+  exited: new Promise(resolve => {
+    child.once('exit', code => resolve(code))
+  })
+})
 
 /** Polls the JSON-RPC endpoint until it answers `eth_blockNumber`, so callers see a ready node. */
 async function waitForRpc(url: string, timeoutMs = 30_000): Promise<void> {
@@ -89,35 +106,43 @@ async function waitForRpc(url: string, timeoutMs = 30_000): Promise<void> {
     } catch (error) {
       lastError = ensureError(error)
     }
-    await Bun.sleep(100)
+    await sleep(100)
   }
   const detail = lastError ? `: ${lastError.message}` : ''
   throw new Error(`anvil RPC at ${url} not ready within ${timeoutMs}ms${detail}`)
 }
 
+// Anvil port registry — vitest runs test FILES IN PARALLEL (bun's runner was serial, so fixed ports
+// used to be safe within a bot only). Every fork suite in the repo must claim a distinct port:
+//   8545 bots/blue-liquidation      fork/liquidation
+//   8546 bots/market-making         e2e/setup-check
+//   8547 bots/midnight-liquidation  fork/liquidation
+//   8548 bots/midnight-liquidation  fork/queue
 /**
  * Boots an anvil instance forking Base at FORK_BLOCK (chain id pinned to Base so signatures match).
- * `port` is explicit so multiple fork test files can run in one `bun test` process without colliding.
+ * `port` is explicit so parallel fork test files never collide — see the registry above.
  * Requires the `anvil` binary on PATH (Foundry locally; foundry-toolchain in CI).
  */
 export async function startFork(port = 8545): Promise<{ anvil: ForkHandle; rpcUrl: string }> {
-  const anvil = Bun.spawn(
-    [
+  const anvil = toForkHandle(
+    spawn(
       'anvil',
-      '--fork-url',
-      FORK_URL,
-      '--fork-block-number',
-      String(FORK_BLOCK),
-      '--chain-id',
-      String(base.id),
-      // The deployed Midnight is compiled for the `osaka` EVM and uses the CLZ opcode (EIP-7939) in
-      // liquidate; anvil's default hardfork lacks CLZ, so it would revert with empty data. Pin osaka.
-      '--hardfork',
-      'osaka',
-      '--port',
-      String(port)
-    ],
-    { stdout: 'ignore', stderr: 'ignore' }
+      [
+        '--fork-url',
+        FORK_URL,
+        '--fork-block-number',
+        String(FORK_BLOCK),
+        '--chain-id',
+        String(base.id),
+        // The deployed Midnight is compiled for the `osaka` EVM and uses the CLZ opcode (EIP-7939) in
+        // liquidate; anvil's default hardfork lacks CLZ, so it would revert with empty data. Pin osaka.
+        '--hardfork',
+        'osaka',
+        '--port',
+        String(port)
+      ],
+      { stdio: 'ignore' }
+    )
   )
   const rpcUrl = `http://127.0.0.1:${port}`
   await waitForRpc(rpcUrl)
diff --git a/bots/midnight-liquidation/test/fork/liquidation.test.ts b/bots/midnight-liquidation/test/fork/liquidation.test.ts
index d0993332..4839f43f 100644
--- a/bots/midnight-liquidation/test/fork/liquidation.test.ts
+++ b/bots/midnight-liquidation/test/fork/liquidation.test.ts
@@ -10,9 +10,9 @@ import {
 } from '@repo/bot-kit'
 import { quoteUniswapV3 } from '@repo/swaps'
 import { lensKey } from '@repo/utils'
-import { afterAll, beforeAll, describe, expect, it } from 'bun:test'
 import { erc20Abi, parseGwei } from 'viem'
 import { base } from 'viem/chains'
+import { afterAll, beforeAll, describe, expect, it } from 'vitest'
 
 import { encodeLiquidationExec } from '../../src/execution/encode-call'
 import { expectedLoanOut } from '../../src/execution/swap-step'
@@ -60,7 +60,7 @@ describe('fork: end-to-end liquidation against a real Base position', () => {
   }
 
   beforeAll(async () => {
-    const fork = await startFork()
+    const fork = await startFork(8547) // see the port registry in harness.ts
     anvil = fork.anvil
     test = testClient(fork.rpcUrl)
     await fundEth(test, LIQUIDATOR)
diff --git a/bots/midnight-liquidation/test/fork/queue.test.ts b/bots/midnight-liquidation/test/fork/queue.test.ts
index ded9a91f..6135916e 100644
--- a/bots/midnight-liquidation/test/fork/queue.test.ts
+++ b/bots/midnight-liquidation/test/fork/queue.test.ts
@@ -1,7 +1,7 @@
 import { createLogger, createPendingQueue, createSigner, initialFees } from '@repo/bot-kit'
-import { afterAll, beforeAll, describe, expect, it } from 'bun:test'
 import { parseGwei } from 'viem'
 import { base } from 'viem/chains'
+import { afterAll, beforeAll, describe, expect, it } from 'vitest'
 
 import {
   type ForkHandle,
@@ -24,7 +24,7 @@ describe('fork: pending-queue bump + replacement against a real node', () => {
   let rpcUrl: string
 
   beforeAll(async () => {
-    const fork = await startFork(8546) // distinct port from the liquidation suite
+    const fork = await startFork(8548) // see the port registry in harness.ts
     anvil = fork.anvil
     rpcUrl = fork.rpcUrl
     test = testClient(rpcUrl)
diff --git a/bots/midnight-liquidation/test/quotes.test.ts b/bots/midnight-liquidation/test/quotes.test.ts
index 729aaf4e..861feeb7 100644
--- a/bots/midnight-liquidation/test/quotes.test.ts
+++ b/bots/midnight-liquidation/test/quotes.test.ts
@@ -1,8 +1,8 @@
 import type { Logger } from '@repo/bot-kit'
 import type { RateLimitedClient, VenuePair, VenueQuoteEstimate, VenueSelector } from '@repo/swaps'
 
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { Market } from '../src/execution/encode-call'
 import type { LiquidationPlan } from '../src/sizing/plan'
diff --git a/bots/midnight-liquidation/test/runner/eligibility.test.ts b/bots/midnight-liquidation/test/runner/eligibility.test.ts
index 99ba0d72..cf4872d9 100644
--- a/bots/midnight-liquidation/test/runner/eligibility.test.ts
+++ b/bots/midnight-liquidation/test/runner/eligibility.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { LensOut } from '../../src/state/lens.sol'
 
diff --git a/bots/midnight-liquidation/test/runner/tick.test.ts b/bots/midnight-liquidation/test/runner/tick.test.ts
index 748c6ef1..ee826b01 100644
--- a/bots/midnight-liquidation/test/runner/tick.test.ts
+++ b/bots/midnight-liquidation/test/runner/tick.test.ts
@@ -5,8 +5,8 @@ import type { Address, Hex } from 'viem'
 
 import { createBackoff, createCooldownStore } from '@repo/bot-kit'
 import { lensKey } from '@repo/utils'
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { BorrowerCandidate } from '../../src/discovery/borrowers'
 import type { LensInput, LensOut } from '../../src/state/lens.sol'
diff --git a/bots/midnight-liquidation/test/seed/offers.test.ts b/bots/midnight-liquidation/test/seed/offers.test.ts
index fc098586..24bdb2d7 100644
--- a/bots/midnight-liquidation/test/seed/offers.test.ts
+++ b/bots/midnight-liquidation/test/seed/offers.test.ts
@@ -6,8 +6,8 @@
 
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { keccak256, toHex, zeroAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { Offer } from '../../scripts/seed/offers'
 import type { CollateralParams, Market } from '../../src/execution/encode-call'
diff --git a/bots/midnight-liquidation/test/sizing/lif.test.ts b/bots/midnight-liquidation/test/sizing/lif.test.ts
index d5273ef6..770923e6 100644
--- a/bots/midnight-liquidation/test/sizing/lif.test.ts
+++ b/bots/midnight-liquidation/test/sizing/lif.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { lifAt } from '../../src/sizing/lif'
 
diff --git a/bots/midnight-liquidation/test/sizing/plan.test.ts b/bots/midnight-liquidation/test/sizing/plan.test.ts
index 436161e1..126e8649 100644
--- a/bots/midnight-liquidation/test/sizing/plan.test.ts
+++ b/bots/midnight-liquidation/test/sizing/plan.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import type { LiquidationPlan, PlanInput } from '../../src/sizing/plan'
 
diff --git a/bots/midnight-liquidation/test/sizing/rcf.test.ts b/bots/midnight-liquidation/test/sizing/rcf.test.ts
index 63f32179..b80f1071 100644
--- a/bots/midnight-liquidation/test/sizing/rcf.test.ts
+++ b/bots/midnight-liquidation/test/sizing/rcf.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { maxUint256 } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { ORACLE_PRICE_SCALE, WAD } from '../../src/constants'
 import { isRcfExempt, maxRepaidPreMaturity } from '../../src/sizing/rcf'
diff --git a/bots/midnight-liquidation/test/state/lens.sol.test.ts b/bots/midnight-liquidation/test/state/lens.sol.test.ts
index 991f4e05..1f8e515e 100644
--- a/bots/midnight-liquidation/test/state/lens.sol.test.ts
+++ b/bots/midnight-liquidation/test/state/lens.sol.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { decodeFunctionResult, encodeFunctionResult, getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { Market } from '../../src/execution/encode-call'
 import type { LensOut } from '../../src/state/lens.sol'
@@ -31,7 +31,7 @@ const MARKET: Market = {
 
 describe('MidnightLiquidationLens', () => {
   it('compiles via soltag and binds the Midnight address into the factory call', () => {
-    // Proves the soltag bun preload compiled the inline Solidity (sol``` would otherwise throw)
+    // Proves the soltag/vite transform compiled the inline Solidity (sol``` would otherwise throw)
     // and that constructor binding produced a deployless factory call.
     const compiled = MidnightLiquidationLens.with(MIDNIGHT)
     expect(compiled.factoryData.length).toBeGreaterThan(2)
diff --git a/bots/midnight-liquidation/tsconfig.json b/bots/midnight-liquidation/tsconfig.json
index 7ad64bb1..dccc6c59 100644
--- a/bots/midnight-liquidation/tsconfig.json
+++ b/bots/midnight-liquidation/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"],
+    "types": ["node"],
     "plugins": [{ "name": "soltag/plugin" }]
   },
   "include": ["src", "test", "scripts", ".soltag/types.d.ts"],
diff --git a/bots/midnight-liquidation/vitest.config.ts b/bots/midnight-liquidation/vitest.config.ts
new file mode 100644
index 00000000..c6e9c1fb
--- /dev/null
+++ b/bots/midnight-liquidation/vitest.config.ts
@@ -0,0 +1,23 @@
+import { fileURLToPath } from 'node:url'
+import soltag from 'soltag/vite'
+import { loadEnv } from 'vite'
+import { defineConfig } from 'vitest/config'
+
+const BOT_DIR = fileURLToPath(new URL('.', import.meta.url))
+
+// soltag is a build-time-only transform: its `sol``` tagged templates throw at runtime unless a
+// plugin compiles them (via solc). The vite plugin transforms this project's TS sources and leaves
+// files without templates unchanged — it replaces the hand-rolled bun loader plugin that used to be
+// wired through bunfig `preload`. Enable the optimizer: the lens's per-element computation has
+// enough locals to hit "stack too deep" without it.
+export default defineConfig({
+  plugins: [soltag({ solc: { optimizer: { enabled: true, runs: 200 } } })],
+  test: {
+    name: 'midnight-liquidation',
+    // bun auto-loaded .env files; vitest does not. The fork suite reads RPC_URL_8453 from
+    // .env.test.local and fails loud when it is unset. `loadEnv` with an empty prefix passes an
+    // already-exported value straight through (so CI's secret survives) and omits the key entirely
+    // when no file supplies it — it never substitutes an empty string, so CI cannot silently skip.
+    env: loadEnv('test', BOT_DIR, '')
+  }
+})
diff --git a/bunfig.toml b/bunfig.toml
deleted file mode 100644
index d7a00e63..00000000
--- a/bunfig.toml
+++ /dev/null
@@ -1,9 +0,0 @@
-# bun remains the runtime + test runner; pnpm owns installs (see pnpm-workspace.yaml).
-
-# Compile the liquidation bots' soltag `sol``` lens templates during `bun test` (each plugin
-# self-scopes to its own bot's files, so both can be preloaded — other workspaces are untouched).
-[test]
-preload = [
-  "./bots/midnight-liquidation/soltag.preload.ts",
-  "./bots/blue-liquidation/soltag.preload.ts"
-]
diff --git a/docs/CONVENTIONS.md b/docs/CONVENTIONS.md
index 338af872..19fe12a5 100644
--- a/docs/CONVENTIONS.md
+++ b/docs/CONVENTIONS.md
@@ -54,7 +54,7 @@
 
 ### Environment Variables
 
-- **Direct `Bun.env` access**: Bots read `Bun.env.VARIABLE_NAME` directly at the point of use.
+- **Direct `process.env` access**: Bots read `process.env.VARIABLE_NAME` directly at the point of use.
   There is no helper wrapper and no runtime schema layer — if a required variable is missing,
   fail loudly at startup (throw and exit), don't silently degrade.
 - **Never committed**: Secrets and runtime config live in local `.env` files or deploy-time
@@ -99,8 +99,9 @@
 - **Assertion Precision**: Use exact matchers (`toBe`, `toEqual`, `toStrictEqual`); only use
   approximate matchers (e.g., floating-point arithmetic, time-dependent values) with a comment
   explaining why exact matching is not feasible.
-- **Bun test runner**: Tests run under `bun test`. The runner is Vitest-compatible; existing
-  Vitest-style assertions and spies carry over.
+- **Test runners**: `pnpm test` drives every workspace project listed in the root
+  `vitest.config.ts` plus the market-making playground's Node `*.test.mjs` suites. TypeScript tests
+  use Vitest; mocks and spies come from `vi` (`vi.fn`, `vi.spyOn`, `vi.restoreAllMocks`).
 
 ### Testing Anti-Patterns
 
diff --git a/docs/decisions/TIB-2026-07-20-migrate-to-pnpm.md b/docs/decisions/TIB-2026-07-20-migrate-to-pnpm.md
index df94597f..22b50d4a 100644
--- a/docs/decisions/TIB-2026-07-20-migrate-to-pnpm.md
+++ b/docs/decisions/TIB-2026-07-20-migrate-to-pnpm.md
@@ -181,6 +181,14 @@ pre/post scripts by default. `prestart` is load-bearing: it builds `@repo/contra
 `dist/` for the liquidators and runs `generate:api` for `midnight-crossed-books`. Without this
 setting the bots cannot resolve their own workspace dependency at container start.
 
+**`prestart` survives PR 2, but only for the local path.** PR 2 moves the build to image-build time
+(`RUN pnpm -r --if-present run build`) and its `CMD` is a bare `node dist/src/index.js`, which never
+fires a pre-script — so the container builds exactly once and does not rebuild at start. An operator
+running the documented `pnpm --filter <bot> run start` from a clean checkout has no `dist/` at all,
+though, so each bot keeps `prestart: pnpm --filter "{.}..." --if-present run build` — the `{.}...`
+selector scopes it to that bot plus its workspace dependencies, so one bot's start does not build the
+other three.
+
 **PR 1's Docker intermediate state uses a Node base with a copied bun binary.** Keeping
 `FROM oven/bun` was not viable: pnpm is activated through corepack, which those images do not
 provide, and `bun install --frozen-lockfile` is not a fallback once `bun.lock` is deleted. Both pnpm
diff --git a/knip.json b/knip.json
index 724a355f..0418b4b9 100644
--- a/knip.json
+++ b/knip.json
@@ -2,9 +2,11 @@
   "$schema": "https://unpkg.com/knip@5/schema.json",
   "exclude": ["enumMembers", "classMembers"],
   "ignore": [".claude/**"],
-  "ignoreBinaries": ["forge", "railway"],
+  "ignoreBinaries": ["forge", "mkfifo", "railway"],
   "workspaces": {
-    ".": {},
+    ".": {
+      "ignoreDependencies": ["tsx"]
+    },
     "packages/typescript-config": {},
     "packages/utils": {},
     "packages/contracts": {},
@@ -15,15 +17,17 @@
     "packages/offers": {},
     "packages/swaps": {},
     "bots/midnight-liquidation": {
-      "ignore": ["src/generated/**"]
+      "ignore": ["src/generated/**"],
+      "entry": ["src/index.ts", "scripts/seed-liquidatable-positions.ts"]
+    },
+    "bots/blue-liquidation": {
+      "entry": ["src/index.ts", "scripts/probe-live-lens.ts"]
     },
-    "bots/blue-liquidation": {},
     "bots/midnight-crossed-books": {
       "ignore": ["src/infrastructure/*/generated/**"]
     },
     "bots/market-making": {
-      "entry": ["playground/app.tsx"],
-      "ignore": ["scripts/playground-smoke-support.mjs"],
+      "entry": ["src/index.ts", "playground/app.tsx"],
       "ignoreDependencies": ["@repo/bot-kit"]
     }
   }
diff --git a/package.json b/package.json
index d2411dc7..5e52a2da 100644
--- a/package.json
+++ b/package.json
@@ -6,24 +6,26 @@
     "format": "oxfmt",
     "format:check": "oxfmt --check",
     "knip": "knip",
-    "lint": "oxlint --no-error-on-unmatched-pattern && bun run lint:playground-smoke",
+    "lint": "oxlint --no-error-on-unmatched-pattern && pnpm run lint:playground-smoke",
     "lint:fix": "oxlint --fix --no-error-on-unmatched-pattern",
     "lint:playground-smoke": "oxlint --config bots/market-making/scripts/playground-smoke.oxlintrc.json bots/market-making/scripts/playground-smoke*.mjs",
-    "market-making:playground": "node bots/market-making/scripts/playground-serve.mjs",
+    "market-making:playground": "pnpm --filter @morpho-org/market-making-bot run playground:serve",
     "prepare": "husky",
-    "test": "bun test",
-    "test:browser": "bun run --filter @morpho-org/market-making-bot playground:smoke:test"
+    "test": "vitest run && pnpm --filter @morpho-org/market-making-bot run playground:test"
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "esbuild": "0.25.12",
+    "@types/node": "catalog:",
     "husky": "catalog:",
     "knip": "catalog:",
     "lint-staged": "catalog:",
     "oxfmt": "catalog:",
     "oxlint": "catalog:",
     "oxlint-tsgolint": "catalog:",
-    "typescript": "catalog:"
+    "tsx": "catalog:",
+    "typescript": "catalog:",
+    "vite": "catalog:",
+    "vitest": "catalog:"
   },
   "engines": {
     "node": "^24.14.1"
diff --git a/packages/bot-kit/package.json b/packages/bot-kit/package.json
index ff657d77..3eb1c8f5 100644
--- a/packages/bot-kit/package.json
+++ b/packages/bot-kit/package.json
@@ -31,7 +31,8 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/packages/bot-kit/test/balance.test.ts b/packages/bot-kit/test/balance.test.ts
index 1f36e14b..288b33b9 100644
--- a/packages/bot-kit/test/balance.test.ts
+++ b/packages/bot-kit/test/balance.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { parseEther } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { Logger, LogLevel } from '../src/logger'
 
diff --git a/packages/bot-kit/test/client.test.ts b/packages/bot-kit/test/client.test.ts
index ddb77423..2c59b942 100644
--- a/packages/bot-kit/test/client.test.ts
+++ b/packages/bot-kit/test/client.test.ts
@@ -1,8 +1,8 @@
 import type { Client } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
 import { base } from 'viem/chains'
+import { describe, expect, it } from 'vitest'
 
 import { assertContractDeployed, createDeploylessClient } from '../src/client'
 
@@ -32,10 +32,10 @@ describe('createDeploylessClient', () => {
 })
 
 describe('assertContractDeployed', () => {
-  it('throws when the address holds no code', () => {
-    expect(assertContractDeployed(stubClient('0x'), ADDRESS, 'EXECUTOOOR_ADDRESS')).rejects.toThrow(
-      /EXECUTOOOR_ADDRESS/
-    )
+  it('throws when the address holds no code', async () => {
+    await expect(
+      assertContractDeployed(stubClient('0x'), ADDRESS, 'EXECUTOOOR_ADDRESS')
+    ).rejects.toThrow(/EXECUTOOOR_ADDRESS/)
   })
 
   it('resolves when the address holds code', async () => {
diff --git a/packages/bot-kit/test/heartbeat.test.ts b/packages/bot-kit/test/heartbeat.test.ts
index b81ee88a..c3f66543 100644
--- a/packages/bot-kit/test/heartbeat.test.ts
+++ b/packages/bot-kit/test/heartbeat.test.ts
@@ -1,4 +1,4 @@
-import { afterEach, describe, expect, it, mock, spyOn } from 'bun:test'
+import { afterEach, describe, expect, it, vi } from 'vitest'
 
 import type { Logger, LogLevel } from '../src/logger'
 
@@ -20,7 +20,7 @@ function captureLogger() {
 }
 
 describe('createHeartbeatMonitor', () => {
-  afterEach(() => mock.restore())
+  afterEach(() => vi.restoreAllMocks())
 
   it('is inert when the URL is unset', async () => {
     const { logger } = captureLogger()
@@ -39,7 +39,7 @@ describe('createHeartbeatMonitor', () => {
 
   it('is inert without warning or scheduling when the URL contains only whitespace', async () => {
     const { logger, events } = captureLogger()
-    const setIntervalSpy = spyOn(globalThis, 'setInterval')
+    const setIntervalSpy = vi.spyOn(globalThis, 'setInterval')
     let pings = 0
     const monitor = createHeartbeatMonitor({
       url: ' \t\r\n ',
@@ -62,7 +62,7 @@ describe('createHeartbeatMonitor', () => {
     const { logger } = captureLogger()
     const urls: string[] = []
     let callback: (() => void) | undefined
-    const setIntervalSpy = spyOn(globalThis, 'setInterval').mockImplementation(((
+    const setIntervalSpy = vi.spyOn(globalThis, 'setInterval').mockImplementation(((
       ...args: Parameters<typeof setInterval>
     ) => {
       const [handler, delay] = args
@@ -119,9 +119,11 @@ describe('createHeartbeatMonitor', () => {
     ['http://example.test:8080/heartbeat', 'http://example.test:8080/heartbeat']
   ])('uses the exact trimmed HTTP(S) URL %s', async (url, expectedUrl) => {
     const { logger } = captureLogger()
-    const setIntervalSpy = spyOn(globalThis, 'setInterval').mockImplementation(
-      (() => 1 as unknown as ReturnType<typeof setInterval>) as typeof setInterval
-    )
+    const setIntervalSpy = vi
+      .spyOn(globalThis, 'setInterval')
+      .mockImplementation(
+        (() => 1 as unknown as ReturnType<typeof setInterval>) as typeof setInterval
+      )
     const urls: string[] = []
     const monitor = createHeartbeatMonitor({
       url,
@@ -149,7 +151,7 @@ describe('createHeartbeatMonitor', () => {
     'https://example.test:bad-port/heartbeat'
   ])('warns once and stays inert for invalid URL %s', async url => {
     const { logger, events } = captureLogger()
-    const setIntervalSpy = spyOn(globalThis, 'setInterval')
+    const setIntervalSpy = vi.spyOn(globalThis, 'setInterval')
     let pings = 0
     const monitor = createHeartbeatMonitor({
       url,
diff --git a/packages/bot-kit/test/logger.test.ts b/packages/bot-kit/test/logger.test.ts
index b0e4c0a4..7b71be40 100644
--- a/packages/bot-kit/test/logger.test.ts
+++ b/packages/bot-kit/test/logger.test.ts
@@ -1,4 +1,4 @@
-import { afterEach, describe, expect, it, mock, spyOn } from 'bun:test'
+import { afterEach, describe, expect, it, vi } from 'vitest'
 
 import type { Logger } from '../src/logger'
 
@@ -17,12 +17,12 @@ function parseLine(raw: unknown) {
 describe('createLogger', () => {
   // Restore console spies even when an assertion throws first, so a failure in one test
   // cannot leak its captured calls into the next.
-  afterEach(() => mock.restore())
+  afterEach(() => vi.restoreAllMocks())
 
   it('drops lines below the configured minimum level', () => {
     const logger: Logger = createLogger('warn')
-    const log = spyOn(console, 'log').mockImplementation(() => undefined)
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const log = vi.spyOn(console, 'log').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     logger.debug('rindexer.lag')
     logger.info('block.new')
@@ -35,8 +35,8 @@ describe('createLogger', () => {
 
   it('routes every level to stderr', () => {
     const logger = createLogger('debug')
-    const log = spyOn(console, 'log').mockImplementation(() => undefined)
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const log = vi.spyOn(console, 'log').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     logger.debug('a')
     logger.info('b')
@@ -49,7 +49,7 @@ describe('createLogger', () => {
 
   it('stamps the current utc time onto every line', () => {
     const logger = createLogger('debug')
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     const fmt = (date: Date) =>
       `${date.toISOString().slice(5, 10)} ${date.toISOString().slice(11, 19)}`
@@ -64,7 +64,7 @@ describe('createLogger', () => {
 
   it('serializes bigint fields as decimal strings', () => {
     const logger = createLogger('debug')
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     logger.info('tx.sent', { nonce: 7n, maxFee: 300_000_000_000n })
 
@@ -78,7 +78,7 @@ describe('createLogger', () => {
 
   it('recurses into nested bigint fields', () => {
     const logger = createLogger('debug')
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     logger.info('tx.bumped', { tx: { nonce: 7n }, attempts: [1n, 2n] })
 
@@ -92,7 +92,7 @@ describe('createLogger', () => {
 
   it('stamps bound context onto every line', () => {
     const logger = createLogger('debug', { context: { bot: 'blue-liquidation', chainId: 8453 } })
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     logger.info('block.new', { height: 42n })
     logger.warn('state.reset')
@@ -117,17 +117,17 @@ describe('createLogger', () => {
 })
 
 describe('createLogger BetterStack opt-in contract', () => {
-  afterEach(() => mock.restore())
+  afterEach(() => vi.restoreAllMocks())
 
   it('stays fully silent when BOTH env vars are unset', () => {
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
     createLogger('info', { env: {} })
     // Both unset is the opt-out: no warning line at construction.
     expect(err).not.toHaveBeenCalled()
   })
 
   it('token-only fails loud (names the missing host)', () => {
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
     createLogger('info', { env: { BETTERSTACK_SOURCE_TOKEN: 'tok' } })
 
     expect(err).toHaveBeenCalledTimes(1)
@@ -138,7 +138,7 @@ describe('createLogger BetterStack opt-in contract', () => {
   })
 
   it('host-only fails loud (names the missing token)', () => {
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
     createLogger('info', { env: { BETTERSTACK_INGESTING_HOST: 's1.betterstackdata.com' } })
 
     expect(err).toHaveBeenCalledTimes(1)
@@ -148,7 +148,7 @@ describe('createLogger BetterStack opt-in contract', () => {
   })
 
   it('treats blank/whitespace as unset — a blank token with a host still fails loud', () => {
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
     // Blank/whitespace does not count as set: this is token-unset + host-set → partial config.
     createLogger('info', {
       env: { BETTERSTACK_SOURCE_TOKEN: '  ', BETTERSTACK_INGESTING_HOST: 'h' }
@@ -159,7 +159,7 @@ describe('createLogger BetterStack opt-in contract', () => {
   })
 
   it('accepts a nonblank malformed paired host without synchronous validation', () => {
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     expect(() =>
       createLogger('info', {
@@ -178,12 +178,14 @@ describe('createLogger BetterStack opt-in contract', () => {
 })
 
 describe('createLogger BetterStack path', () => {
-  afterEach(() => mock.restore())
+  afterEach(() => vi.restoreAllMocks())
 
   it('performs zero network activity when the env vars are unset', () => {
-    const fetchSpy = spyOn(globalThis, 'fetch').mockImplementation((() =>
-      Promise.reject(new Error('network must not be touched'))) as unknown as typeof fetch)
-    spyOn(console, 'error').mockImplementation(() => undefined)
+    const fetchSpy = vi
+      .spyOn(globalThis, 'fetch')
+      .mockImplementation((() =>
+        Promise.reject(new Error('network must not be touched'))) as unknown as typeof fetch)
+    vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     const logger = createLogger('debug', { env: {} })
     logger.info('tx.sent', { nonce: 1n })
@@ -192,9 +194,11 @@ describe('createLogger BetterStack path', () => {
   })
 
   it('warns and performs zero network activity under partial (token-only) config', () => {
-    const fetchSpy = spyOn(globalThis, 'fetch').mockImplementation((() =>
-      Promise.reject(new Error('network must not be touched'))) as unknown as typeof fetch)
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const fetchSpy = vi
+      .spyOn(globalThis, 'fetch')
+      .mockImplementation((() =>
+        Promise.reject(new Error('network must not be touched'))) as unknown as typeof fetch)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     const logger = createLogger('debug', { env: { BETTERSTACK_SOURCE_TOKEN: 'tok' } })
     logger.info('tx.sent', { nonce: 1n })
@@ -207,9 +211,11 @@ describe('createLogger BetterStack path', () => {
 
   it('serializes nested bigints without throwing when BetterStack is enabled (HTTP mocked)', () => {
     // Mock the HTTP layer so no real request can escape even if a batch were to flush.
-    const fetchSpy = spyOn(globalThis, 'fetch').mockImplementation((() =>
-      Promise.resolve(new Response(null, { status: 202 }))) as unknown as typeof fetch)
-    const err = spyOn(console, 'error').mockImplementation(() => undefined)
+    const fetchSpy = vi
+      .spyOn(globalThis, 'fetch')
+      .mockImplementation((() =>
+        Promise.resolve(new Response(null, { status: 202 }))) as unknown as typeof fetch)
+    const err = vi.spyOn(console, 'error').mockImplementation(() => undefined)
 
     const logger = createLogger('debug', {
       env: {
diff --git a/packages/bot-kit/test/policy.test.ts b/packages/bot-kit/test/policy.test.ts
index 78776ee9..55e28891 100644
--- a/packages/bot-kit/test/policy.test.ts
+++ b/packages/bot-kit/test/policy.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { Policy, PolicyTx } from '../src/policy'
 
diff --git a/packages/bot-kit/test/queue/backoff.test.ts b/packages/bot-kit/test/queue/backoff.test.ts
index 6cdb5d00..5df627dc 100644
--- a/packages/bot-kit/test/queue/backoff.test.ts
+++ b/packages/bot-kit/test/queue/backoff.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { createBackoff } from '../../src/queue/backoff'
 
diff --git a/packages/bot-kit/test/queue/cooldown.test.ts b/packages/bot-kit/test/queue/cooldown.test.ts
index a001972e..aa1790c2 100644
--- a/packages/bot-kit/test/queue/cooldown.test.ts
+++ b/packages/bot-kit/test/queue/cooldown.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { createCooldownStore } from '../../src/queue/cooldown'
 
diff --git a/packages/bot-kit/test/queue/fee-policy.test.ts b/packages/bot-kit/test/queue/fee-policy.test.ts
index 71aab5d5..93eb48e4 100644
--- a/packages/bot-kit/test/queue/fee-policy.test.ts
+++ b/packages/bot-kit/test/queue/fee-policy.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { bumpFees, initialFees } from '../../src/queue/fee-policy'
 
diff --git a/packages/bot-kit/test/queue/pending-queue.test.ts b/packages/bot-kit/test/queue/pending-queue.test.ts
index 3c093175..d965a58f 100644
--- a/packages/bot-kit/test/queue/pending-queue.test.ts
+++ b/packages/bot-kit/test/queue/pending-queue.test.ts
@@ -1,7 +1,7 @@
 import type { Address, Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { ExecutionRevertedError } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { Logger, LogLevel } from '../../src/logger'
 import type {
diff --git a/packages/bot-kit/test/runner/runner.test.ts b/packages/bot-kit/test/runner/runner.test.ts
index a4e83080..5fc154f8 100644
--- a/packages/bot-kit/test/runner/runner.test.ts
+++ b/packages/bot-kit/test/runner/runner.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import type { Logger } from '../../src/logger'
 
diff --git a/packages/bot-kit/test/runner/watcher.test.ts b/packages/bot-kit/test/runner/watcher.test.ts
index f3c4c820..2efd3187 100644
--- a/packages/bot-kit/test/runner/watcher.test.ts
+++ b/packages/bot-kit/test/runner/watcher.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import type { Logger } from '../../src/logger'
 
diff --git a/packages/bot-kit/test/signer.test.ts b/packages/bot-kit/test/signer.test.ts
index 3110b9cb..b0da8c17 100644
--- a/packages/bot-kit/test/signer.test.ts
+++ b/packages/bot-kit/test/signer.test.ts
@@ -1,8 +1,8 @@
 import type { Hex } from 'viem'
 
-import { afterEach, describe, expect, it, mock, spyOn } from 'bun:test'
 import { parseTransaction } from 'viem'
 import { base } from 'viem/chains'
+import { afterEach, describe, expect, it, vi } from 'vitest'
 
 import type { Policy } from '../src/policy'
 
@@ -44,11 +44,11 @@ function mockRpc(results: Record<string, RpcResult>) {
     const result = typeof value === 'function' ? await value(body) : value
     return Response.json({ jsonrpc: '2.0', id: body.id, result })
   }
-  spyOn(globalThis, 'fetch').mockImplementation(handler as unknown as typeof fetch)
+  vi.spyOn(globalThis, 'fetch').mockImplementation(handler as unknown as typeof fetch)
 }
 
 describe('createSigner', () => {
-  afterEach(() => mock.restore())
+  afterEach(() => vi.restoreAllMocks())
 
   it('send returns the signer-assigned nonce and the tx hash', async () => {
     mockRpc({
@@ -141,7 +141,7 @@ describe('createSigner', () => {
 
   it('getBaseFee throws when the chain reports no base fee', async () => {
     mockRpc({ eth_getBlockByNumber: {} })
-    expect(createSigner(CONFIG).getBaseFee()).rejects.toThrow(/baseFeePerGas/)
+    await expect(createSigner(CONFIG).getBaseFee()).rejects.toThrow(/baseFeePerGas/)
   })
 
   it('consumedNonce reads the latest (mined) transaction count', async () => {
diff --git a/packages/bot-kit/test/simulate.test.ts b/packages/bot-kit/test/simulate.test.ts
index ee49375a..2c72319b 100644
--- a/packages/bot-kit/test/simulate.test.ts
+++ b/packages/bot-kit/test/simulate.test.ts
@@ -1,8 +1,8 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { createPublicClient, custom, getAddress } from 'viem'
 import { base } from 'viem/chains'
+import { describe, expect, it } from 'vitest'
 
 import { simulateLiquidationExec } from '../src/simulate'
 
diff --git a/packages/bot-kit/test/tx-error.test.ts b/packages/bot-kit/test/tx-error.test.ts
index 515b1045..7ad643cc 100644
--- a/packages/bot-kit/test/tx-error.test.ts
+++ b/packages/bot-kit/test/tx-error.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { BaseError, encodeErrorResult, ExecutionRevertedError } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { abiRevertDecoder, isExecutionRevert, revertReason, TxSendError } from '../src/tx-error'
 
diff --git a/packages/bot-kit/tsconfig.json b/packages/bot-kit/tsconfig.json
index 812897d6..47eee2db 100644
--- a/packages/bot-kit/tsconfig.json
+++ b/packages/bot-kit/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"]
+    "types": ["node"]
   },
   "include": ["src", "test"],
   "exclude": ["node_modules"]
diff --git a/packages/bot-kit/vitest.config.ts b/packages/bot-kit/vitest.config.ts
new file mode 100644
index 00000000..b0a9b3e6
--- /dev/null
+++ b/packages/bot-kit/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'bot-kit'
+  }
+})
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 3ac49b31..b6f6e04d 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -11,19 +11,21 @@
     }
   },
   "scripts": {
-    "generate": "bun run scripts/codegen.ts && oxfmt src/abis.ts src/contracts.ts",
-    "build": "soltag && bun run scripts/build.ts && tsc -p tsconfig.build.json --emitDeclarationOnly",
-    "deploy:executor": "pnpm run build && bun run scripts/deploy-executor.ts",
+    "generate": "tsx scripts/codegen.ts && oxfmt src/abis.ts src/contracts.ts",
+    "build": "soltag && tsx scripts/build.ts && tsc -p tsconfig.build.json --emitDeclarationOnly",
+    "deploy:executor": "pnpm run build && tsx scripts/deploy-executor.ts",
     "typecheck": "soltag && tsc --noEmit",
     "format:sol": "forge fmt",
     "format:sol:check": "forge fmt --check",
-    "deploy:crossed-books-resolver": "pnpm run build && bun run scripts/deploy-crossed-books-resolver.ts"
+    "deploy:crossed-books-resolver": "pnpm run build && tsx scripts/deploy-crossed-books-resolver.ts"
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
+    "@types/node": "catalog:",
+    "esbuild": "catalog:",
     "solc": "catalog:",
     "soltag": "catalog:",
+    "tsx": "catalog:",
     "typescript": "catalog:",
     "viem": "catalog:"
   }
diff --git a/packages/contracts/scripts/build.ts b/packages/contracts/scripts/build.ts
index 4313da7a..419eb7e1 100644
--- a/packages/contracts/scripts/build.ts
+++ b/packages/contracts/scripts/build.ts
@@ -1,17 +1,20 @@
+import { build as esbuild } from 'esbuild'
 import { mkdirSync, rmSync, writeFileSync } from 'node:fs'
-import { join } from 'node:path'
+import { readFile } from 'node:fs/promises'
+import { dirname, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
 import { transformSolTemplates } from 'soltag/unplugin'
 
 // Bundles `src/{index,v2/index}.ts` to `dist/` with the soltag `sol``` templates in `src/abis.ts`
 // and `src/contracts.ts` compiled to literal ABIs (and, for contracts, bytecode + a deployless
 // factory). The narrowed `.d.ts` is emitted separately by
 // `tsc -p tsconfig.build.json --emitDeclarationOnly` (see the `build` script), which reads the
-// `.soltag/types.d.ts` augmentation cache the `soltag` CLI writes first. We bundle (rather than
-// shell out to tsdown) to stay bun-native; the soltag onLoad plugin is the same transform the
-// repo's preloads use, scoped here to this package's `src/` so bundled deps are untouched.
+// `.soltag/types.d.ts` augmentation cache the `soltag` CLI writes first. We bundle with esbuild
+// (rather than shell out to tsdown) to keep the toolchain to one bundler; the soltag onLoad plugin
+// is scoped to this package's `src/` so bundled deps are untouched.
 
 // This script lives in `scripts/`, so paths resolve against the package root one level up.
-const ROOT = join(import.meta.dir, '..')
+const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..')
 
 const DIST_DIR = join(ROOT, 'dist')
 // Clean first so renamed/removed sources don't leave stale `dist/*.{js,d.ts}` behind (the `tsc`
@@ -22,18 +25,19 @@ const SRC_DIR = join(ROOT, 'src')
 const ESCAPED = SRC_DIR.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
 const INCLUDE = new RegExp(`^${ESCAPED}/.*\\.tsx?$`)
 
-const result = await Bun.build({
-  entrypoints: [join(SRC_DIR, 'index.ts')],
+await esbuild({
+  entryPoints: [join(SRC_DIR, 'index.ts')],
   outdir: DIST_DIR,
-  root: SRC_DIR,
-  target: 'node',
+  outbase: SRC_DIR,
+  bundle: true,
+  platform: 'node',
   format: 'esm',
   plugins: [
     {
       name: 'soltag-contracts',
       setup(build) {
         build.onLoad({ filter: INCLUDE }, async ({ path }) => {
-          const source = await Bun.file(path).text()
+          const source = await readFile(path, 'utf8')
           const transformed = transformSolTemplates(source, path, {
             solc: { optimizer: { enabled: true, runs: 200 } }
           })
@@ -44,11 +48,6 @@ const result = await Bun.build({
   ]
 })
 
-if (!result.success) {
-  for (const log of result.logs) console.error(log)
-  process.exit(1)
-}
-
 // Emit each interface ABI as JSON under `abis/`, for tools that need ABIs on disk rather than the
 // TS `as const` exports (e.g. rindexer, which the midnight-liquidation image feeds from here). The
 // ABIs are materialized in the freshly-bundled `dist/index.js` above, so we read them back from it.
diff --git a/packages/contracts/scripts/codegen.ts b/packages/contracts/scripts/codegen.ts
index 25461c73..998a7431 100644
--- a/packages/contracts/scripts/codegen.ts
+++ b/packages/contracts/scripts/codegen.ts
@@ -11,10 +11,11 @@
  * The output is checked in — we don't run codegen on every build.
  */
 import { readdirSync, writeFileSync } from 'node:fs'
-import { resolve } from 'node:path'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
 
 // This script lives in `scripts/`, so paths resolve against the package root one level up.
-const ROOT = resolve(import.meta.dir, '..')
+const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '..')
 const SOLIDITY_DIR = resolve(ROOT, 'solidity')
 const INTERFACES_DIR = resolve(SOLIDITY_DIR, 'interfaces')
 
diff --git a/packages/contracts/solidity/interfaces/IMidnight.sol b/packages/contracts/solidity/interfaces/IMidnight.sol
index c9e7908b..1c1cd830 100644
--- a/packages/contracts/solidity/interfaces/IMidnight.sol
+++ b/packages/contracts/solidity/interfaces/IMidnight.sol
@@ -11,7 +11,7 @@
 // (this is the "LATER commit" the old header flagged as not-yet-deployed), and the `consumed` getter +
 // `setConsumed` narrow to uint128 to match. The `Take`/`SetConsumed` EVENTS keep uint256 (unchanged).
 // `Market`, `CollateralParams`, and the `liquidate` signature are byte-for-byte identical to 3836155f.
-// Regenerate the ABI with `bun run --filter @repo/contracts build`.
+// Regenerate the ABI with `pnpm --filter @repo/contracts run build`.
 pragma solidity >=0.5.0;
 
 struct Market {
diff --git a/packages/contracts/solidity/interfaces/IMorpho.sol b/packages/contracts/solidity/interfaces/IMorpho.sol
index df50df2e..e5a1436a 100644
--- a/packages/contracts/solidity/interfaces/IMorpho.sol
+++ b/packages/contracts/solidity/interfaces/IMorpho.sol
@@ -12,7 +12,7 @@
 // Structs are file-level so the generated ABI carries internalType "struct Market" (not
 // "struct IMorpho.Market"). All fields are static, so the auto-generated public-mapping getters
 // (`market`, `position`) — which return flat tuples on-chain — ABI-decode byte-identically to these
-// memory-struct returns. Regenerate the ABI with `bun run --filter @repo/contracts build`.
+// memory-struct returns. Regenerate the ABI with `pnpm --filter @repo/contracts run build`.
 pragma solidity >=0.5.0;
 
 /// @dev Immutable market definition. `id = keccak256(abi.encode(marketParams))`; field ORDER is
diff --git a/packages/contracts/tsconfig.json b/packages/contracts/tsconfig.json
index c9bdf12a..23684b26 100644
--- a/packages/contracts/tsconfig.json
+++ b/packages/contracts/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"],
+    "types": ["node"],
     "plugins": [{ "name": "soltag/plugin" }]
   },
   "include": ["src", "scripts", ".soltag/types.d.ts"],
diff --git a/packages/logging/package.json b/packages/logging/package.json
index c300f01b..819039c7 100644
--- a/packages/logging/package.json
+++ b/packages/logging/package.json
@@ -16,7 +16,8 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/packages/logging/test/cli-logger.utils.test.ts b/packages/logging/test/cli-logger.utils.test.ts
index 51629ccd..ad3d39f6 100644
--- a/packages/logging/test/cli-logger.utils.test.ts
+++ b/packages/logging/test/cli-logger.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { createCliLogger } from '../src/cli-logger.utils'
 
@@ -34,7 +34,7 @@ describe('createCliLogger', () => {
     logger.result({ status: 'published', assets: 7n })
 
     expect(out).toHaveLength(1)
-    expect(out[0]).not.toInclude('\n')
+    expect(out[0]).not.toContain('\n')
     expect(JSON.parse(out[0]!)).toEqual({ status: 'published', assets: '7' })
   })
 
diff --git a/packages/logging/tsconfig.json b/packages/logging/tsconfig.json
index 812897d6..47eee2db 100644
--- a/packages/logging/tsconfig.json
+++ b/packages/logging/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"]
+    "types": ["node"]
   },
   "include": ["src", "test"],
   "exclude": ["node_modules"]
diff --git a/packages/logging/vitest.config.ts b/packages/logging/vitest.config.ts
new file mode 100644
index 00000000..2230bbbc
--- /dev/null
+++ b/packages/logging/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'logging'
+  }
+})
diff --git a/packages/monitoring/package.json b/packages/monitoring/package.json
index ef024e5f..77b1517a 100644
--- a/packages/monitoring/package.json
+++ b/packages/monitoring/package.json
@@ -16,7 +16,8 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/packages/monitoring/test/monitor.utils.test.ts b/packages/monitoring/test/monitor.utils.test.ts
index 6ea5ed92..50b6fd56 100644
--- a/packages/monitoring/test/monitor.utils.test.ts
+++ b/packages/monitoring/test/monitor.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { createOperationQueue, cycleHasFailure, waitForMonitorInterval } from '../src/monitor.utils'
 
diff --git a/packages/monitoring/tsconfig.json b/packages/monitoring/tsconfig.json
index 812897d6..47eee2db 100644
--- a/packages/monitoring/tsconfig.json
+++ b/packages/monitoring/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"]
+    "types": ["node"]
   },
   "include": ["src", "test"],
   "exclude": ["node_modules"]
diff --git a/packages/monitoring/vitest.config.ts b/packages/monitoring/vitest.config.ts
new file mode 100644
index 00000000..27cd4697
--- /dev/null
+++ b/packages/monitoring/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'monitoring'
+  }
+})
diff --git a/packages/observability/package.json b/packages/observability/package.json
index d9f996fd..57db64a7 100644
--- a/packages/observability/package.json
+++ b/packages/observability/package.json
@@ -19,7 +19,8 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/packages/observability/src/bot-observability.utils.ts b/packages/observability/src/bot-observability.utils.ts
index 2dd39030..c172354a 100644
--- a/packages/observability/src/bot-observability.utils.ts
+++ b/packages/observability/src/bot-observability.utils.ts
@@ -131,7 +131,7 @@ type ProcessObserverTarget = {
 }
 
 /**
- * Installs fatal exception and Bun unhandled-rejection observers.
+ * Installs fatal exception and Node unhandled-rejection observers.
  * @param observability - Sanitized unexpected-error sink.
  * @param target - Process-like event target; injectable for isolated verification.
  * @returns A cleanup callback that removes every installed listener.
diff --git a/packages/observability/test/bot-observability.utils.test.ts b/packages/observability/test/bot-observability.utils.test.ts
index 802683ac..94ef26ed 100644
--- a/packages/observability/test/bot-observability.utils.test.ts
+++ b/packages/observability/test/bot-observability.utils.test.ts
@@ -1,6 +1,7 @@
 import type { Logger, LogLevel } from '@repo/bot-kit'
 
-import { describe, expect, mock, spyOn, test } from 'bun:test'
+import { setTimeout as sleep } from 'node:timers/promises'
+import { describe, expect, test, vi } from 'vitest'
 
 import { createBotObservability, installProcessObservers } from '../src/bot-observability.utils'
 
@@ -24,7 +25,7 @@ const identity = { bot: 'test-bot', chainId: 8453, errorName }
 describe('createBotObservability', () => {
   test('ships lifecycle, heartbeat, and record events without consuming CLI output', async () => {
     const { logger, records } = captureLogger()
-    const heartbeat = { start: mock(async () => undefined), stop: mock(() => undefined) }
+    const heartbeat = { start: vi.fn(async () => undefined), stop: vi.fn(() => undefined) }
     const observability = createBotObservability({ ...identity, logger, heartbeat })
     const cycle = {
       event: 'market-making.cycle',
@@ -89,7 +90,7 @@ describe('createBotObservability', () => {
 
   test('records a fresh lifecycle start after a clean stop so process restarts remain queryable', async () => {
     const { logger, records } = captureLogger()
-    const heartbeat = { start: mock(async () => undefined), stop: mock(() => undefined) }
+    const heartbeat = { start: vi.fn(async () => undefined), stop: vi.fn(() => undefined) }
     const observability = createBotObservability({ ...identity, logger, heartbeat })
 
     await observability.start()
@@ -150,9 +151,9 @@ describe('createBotObservability', () => {
 
   test('sanitizes heartbeat transport failures before logging', async () => {
     const { logger, records } = captureLogger()
-    const fetchSpy = spyOn(globalThis, 'fetch').mockRejectedValue(
-      new Error('heartbeat secret URL and raw network response')
-    )
+    const fetchSpy = vi
+      .spyOn(globalThis, 'fetch')
+      .mockRejectedValue(new Error('heartbeat secret URL and raw network response'))
     try {
       const observability = createBotObservability({
         ...identity,
@@ -161,7 +162,7 @@ describe('createBotObservability', () => {
       })
 
       await observability.start()
-      await Bun.sleep(0)
+      await sleep(0)
       observability.stop('completed')
 
       expect(records).toContainEqual({
@@ -179,20 +180,20 @@ describe('createBotObservability', () => {
 
 describe('installProcessObservers', () => {
   test('observes fatal exceptions and rethrows unhandled rejections after recording', () => {
-    const unexpected = mock(
+    const unexpected = vi.fn(
       (_error: unknown, _origin: 'uncaughtException' | 'unhandledRejection') => undefined
     )
     let exceptionListener: ((error: Error, origin: string) => void) | undefined
     let rejectionListener: ((reason: unknown) => void) | undefined
     const target = {
-      on: mock((event: string, value: (...args: never[]) => void) => {
+      on: vi.fn((event: string, value: (...args: never[]) => void) => {
         if (event === 'uncaughtExceptionMonitor') {
           exceptionListener = value as typeof exceptionListener
         } else {
           rejectionListener = value as typeof rejectionListener
         }
       }),
-      removeListener: mock((_event: string, _value: (...args: never[]) => void) => undefined)
+      removeListener: vi.fn((_event: string, _value: (...args: never[]) => void) => undefined)
     }
 
     const cleanup = installProcessObservers({ unexpected }, target)
diff --git a/packages/observability/test/verbose-argv.utils.test.ts b/packages/observability/test/verbose-argv.utils.test.ts
index e0c8fbf6..ada0b4c9 100644
--- a/packages/observability/test/verbose-argv.utils.test.ts
+++ b/packages/observability/test/verbose-argv.utils.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { enhanceVerboseArgv } from '../src/verbose-argv.utils'
 
diff --git a/packages/observability/tsconfig.json b/packages/observability/tsconfig.json
index 812897d6..47eee2db 100644
--- a/packages/observability/tsconfig.json
+++ b/packages/observability/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"]
+    "types": ["node"]
   },
   "include": ["src", "test"],
   "exclude": ["node_modules"]
diff --git a/packages/observability/vitest.config.ts b/packages/observability/vitest.config.ts
new file mode 100644
index 00000000..81e0d46c
--- /dev/null
+++ b/packages/observability/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'observability'
+  }
+})
diff --git a/packages/offers/package.json b/packages/offers/package.json
index 76c02379..c8764e48 100644
--- a/packages/offers/package.json
+++ b/packages/offers/package.json
@@ -19,7 +19,8 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/packages/offers/test/book.utils.test.ts b/packages/offers/test/book.utils.test.ts
index ab8605c9..5a21c4b4 100644
--- a/packages/offers/test/book.utils.test.ts
+++ b/packages/offers/test/book.utils.test.ts
@@ -1,6 +1,6 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, test } from 'bun:test'
+import { describe, expect, test } from 'vitest'
 
 import { batchProspectiveBook, crossedMarketIds, hasNegativeSpread } from '../src/book.utils'
 
diff --git a/packages/offers/tsconfig.json b/packages/offers/tsconfig.json
index 812897d6..47eee2db 100644
--- a/packages/offers/tsconfig.json
+++ b/packages/offers/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"]
+    "types": ["node"]
   },
   "include": ["src", "test"],
   "exclude": ["node_modules"]
diff --git a/packages/offers/vitest.config.ts b/packages/offers/vitest.config.ts
new file mode 100644
index 00000000..2cc2833f
--- /dev/null
+++ b/packages/offers/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'offers'
+  }
+})
diff --git a/packages/swaps/package.json b/packages/swaps/package.json
index fc4a952f..b6983df3 100644
--- a/packages/swaps/package.json
+++ b/packages/swaps/package.json
@@ -22,7 +22,8 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/packages/swaps/test/config.test.ts b/packages/swaps/test/config.test.ts
index 580b9d5b..3589b589 100644
--- a/packages/swaps/test/config.test.ts
+++ b/packages/swaps/test/config.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { parseSwapConfig } from '../src/config'
 
diff --git a/packages/swaps/test/constants.test.ts b/packages/swaps/test/constants.test.ts
index 28486ee5..2ce4cf81 100644
--- a/packages/swaps/test/constants.test.ts
+++ b/packages/swaps/test/constants.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { ONEINCH_ROUTER, PENDLE_CHAIN_IDS } from '../src/constants'
 
diff --git a/packages/swaps/test/execution/executor-calls.test.ts b/packages/swaps/test/execution/executor-calls.test.ts
index 0b60ba39..da919896 100644
--- a/packages/swaps/test/execution/executor-calls.test.ts
+++ b/packages/swaps/test/execution/executor-calls.test.ts
@@ -1,7 +1,7 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { decodeFunctionData, getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { SwapStep } from '../../src/types'
 
diff --git a/packages/swaps/test/http-client.test.ts b/packages/swaps/test/http-client.test.ts
index fdb10ac6..cf8c023a 100644
--- a/packages/swaps/test/http-client.test.ts
+++ b/packages/swaps/test/http-client.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { createRateLimitedClient } from '../src/http-client'
 import { QuoteError } from '../src/types'
diff --git a/packages/swaps/test/quoting.test.ts b/packages/swaps/test/quoting.test.ts
index 2a4026c0..529cc2bd 100644
--- a/packages/swaps/test/quoting.test.ts
+++ b/packages/swaps/test/quoting.test.ts
@@ -1,7 +1,7 @@
 import type { Address } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { getAddress, isAddressEqual } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { HttpVenue, RateLimitedClient } from '../src/http-client'
 import type { QuoteLogger, QuoteRequest } from '../src/quoting'
diff --git a/packages/swaps/test/unwrappers/erc4626.test.ts b/packages/swaps/test/unwrappers/erc4626.test.ts
index ee664a64..4ed9ee21 100644
--- a/packages/swaps/test/unwrappers/erc4626.test.ts
+++ b/packages/swaps/test/unwrappers/erc4626.test.ts
@@ -1,7 +1,7 @@
 import type { Hex } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { createClient, custom, decodeFunctionData, encodeAbiParameters, getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { QuoteLogger } from '../../src/quoting'
 
@@ -115,7 +115,9 @@ describe('createErc4626Unwrapper', () => {
     })
     const unwrapper = createErc4626Unwrapper({ client, logger: NOOP_LOGGER })
 
-    expect(unwrapper.resolve({ token: VAULT, amountIn: 1n, executor: EXECUTOR })).rejects.toThrow()
+    await expect(
+      unwrapper.resolve({ token: VAULT, amountIn: 1n, executor: EXECUTOR })
+    ).rejects.toThrow()
 
     // The outage was not cached as "not a vault": once the RPC recovers, the same token resolves.
     healthy = true
diff --git a/packages/swaps/test/unwrappers/pendle-pt.test.ts b/packages/swaps/test/unwrappers/pendle-pt.test.ts
index ab04112e..82998c56 100644
--- a/packages/swaps/test/unwrappers/pendle-pt.test.ts
+++ b/packages/swaps/test/unwrappers/pendle-pt.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { HttpVenue, RateLimitedClient } from '../../src/http-client'
 import type { QuoteLogger } from '../../src/quoting'
@@ -203,12 +203,14 @@ describe('createPendlePtUnwrapper', () => {
       }
     })
 
-    expect(unwrapper.resolve({ token: PT, amountIn: 1n, executor: EXECUTOR })).rejects.toThrow(
-      'pendle down'
-    )
+    await expect(
+      unwrapper.resolve({ token: PT, amountIn: 1n, executor: EXECUTOR })
+    ).rejects.toThrow('pendle down')
 
     // The failure was not cached: the next resolve fetches again.
-    expect(unwrapper.resolve({ token: PT, amountIn: 1n, executor: EXECUTOR })).rejects.toThrow()
+    await expect(
+      unwrapper.resolve({ token: PT, amountIn: 1n, executor: EXECUTOR })
+    ).rejects.toThrow()
     expect(calls).toHaveLength(2)
   })
 
@@ -224,7 +226,7 @@ describe('createPendlePtUnwrapper', () => {
       markets: () => marketsBody(FUTURE),
       convert: () => ({ tx: { to: ROUTER, data: 'nothex' }, data: { amountOut: '1' } })
     })
-    expect(
+    await expect(
       badData.unwrapper.resolve({ token: PT, amountIn: 1n, executor: EXECUTOR })
     ).rejects.toThrow(/malformed swap tx/)
 
@@ -232,7 +234,7 @@ describe('createPendlePtUnwrapper', () => {
       markets: () => marketsBody(FUTURE),
       convert: () => ({ tx: { to: ROUTER, data: '0xabc1' }, data: { amountOut: 'NaN' } })
     })
-    expect(
+    await expect(
       badAmount.unwrapper.resolve({ token: PT, amountIn: 1n, executor: EXECUTOR })
     ).rejects.toThrow(/malformed amountOut/)
   })
diff --git a/packages/swaps/test/unwrappers/resolve.test.ts b/packages/swaps/test/unwrappers/resolve.test.ts
index 114f3cee..549a952a 100644
--- a/packages/swaps/test/unwrappers/resolve.test.ts
+++ b/packages/swaps/test/unwrappers/resolve.test.ts
@@ -1,7 +1,7 @@
 import type { Address } from 'viem'
 
-import { describe, expect, it } from 'bun:test'
 import { getAddress, isAddressEqual } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { Unwrapper } from '../../src/unwrappers/resolve'
 
@@ -110,7 +110,7 @@ describe('resolveUnwraps', () => {
         throw new Error('probe exploded')
       }
     }
-    expect(
+    await expect(
       resolveUnwraps([broken], { token: A, amountIn: 1n, executor: EXECUTOR, stopToken: LOAN })
     ).rejects.toThrow('probe exploded')
   })
diff --git a/packages/swaps/test/venue-selector.test.ts b/packages/swaps/test/venue-selector.test.ts
index c0656604..27bd12c2 100644
--- a/packages/swaps/test/venue-selector.test.ts
+++ b/packages/swaps/test/venue-selector.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress, parseUnits } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { QuoteLogger } from '../src/quoting'
 import type { PriceParameters, Venue } from '../src/types'
diff --git a/packages/swaps/test/venues/lifi.test.ts b/packages/swaps/test/venues/lifi.test.ts
index e5016829..89f772cc 100644
--- a/packages/swaps/test/venues/lifi.test.ts
+++ b/packages/swaps/test/venues/lifi.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { RateLimitedClient } from '../../src/http-client'
 import type { PriceParameters, QuoteParameters } from '../../src/types'
diff --git a/packages/swaps/test/venues/liquidswap.test.ts b/packages/swaps/test/venues/liquidswap.test.ts
index f50bcfd0..512627e0 100644
--- a/packages/swaps/test/venues/liquidswap.test.ts
+++ b/packages/swaps/test/venues/liquidswap.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { RateLimitedClient } from '../../src/http-client'
 import type { PriceParameters, QuoteParameters } from '../../src/types'
diff --git a/packages/swaps/test/venues/oneinch.test.ts b/packages/swaps/test/venues/oneinch.test.ts
index f0659ac1..a09bad24 100644
--- a/packages/swaps/test/venues/oneinch.test.ts
+++ b/packages/swaps/test/venues/oneinch.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { RateLimitedClient } from '../../src/http-client'
 import type { QuoteParameters } from '../../src/types'
diff --git a/packages/swaps/test/venues/uniswap-v3.test.ts b/packages/swaps/test/venues/uniswap-v3.test.ts
index 12fbe832..358cbe66 100644
--- a/packages/swaps/test/venues/uniswap-v3.test.ts
+++ b/packages/swaps/test/venues/uniswap-v3.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { decodeFunctionData, getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { QuoteParameters } from '../../src/types'
 
diff --git a/packages/swaps/test/venues/zerox.test.ts b/packages/swaps/test/venues/zerox.test.ts
index ed1ad6ac..366bcfff 100644
--- a/packages/swaps/test/venues/zerox.test.ts
+++ b/packages/swaps/test/venues/zerox.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import type { RateLimitedClient } from '../../src/http-client'
 import type { QuoteParameters } from '../../src/types'
diff --git a/packages/swaps/tsconfig.json b/packages/swaps/tsconfig.json
index 812897d6..47eee2db 100644
--- a/packages/swaps/tsconfig.json
+++ b/packages/swaps/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"]
+    "types": ["node"]
   },
   "include": ["src", "test"],
   "exclude": ["node_modules"]
diff --git a/packages/swaps/vitest.config.ts b/packages/swaps/vitest.config.ts
new file mode 100644
index 00000000..c208cc92
--- /dev/null
+++ b/packages/swaps/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'swaps'
+  }
+})
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 17fef8c7..8bb2b0aa 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -29,8 +29,9 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "workspace:*",
-    "@types/bun": "catalog:",
     "@types/lodash-es": "catalog:",
-    "typescript": "catalog:"
+    "@types/node": "catalog:",
+    "typescript": "catalog:",
+    "vitest": "catalog:"
   }
 }
diff --git a/packages/utils/src/helpers/tryCatch.ts b/packages/utils/src/helpers/tryCatch.ts
index 3452b0a9..c82c4db1 100644
--- a/packages/utils/src/helpers/tryCatch.ts
+++ b/packages/utils/src/helpers/tryCatch.ts
@@ -14,13 +14,20 @@ export function tryCatch<T, E extends Error = Error>(fn: Promise<T> | (() => T))
     return { data: null, error: error as E }
   }
 
-  if (fn instanceof Promise) {
-    return fn.then(data => ({ data, error: null })).catch(formatError)
+  // Branch on callable, not on `instanceof Promise`: a thenable that is not a native Promise — most
+  // notably execa's subprocess, which its own typings declare as `extends Promise<Result>` — would
+  // otherwise fall through to the sync path and be *called*, turning every such await into a
+  // `fn is not a function` failure that reads like the awaited operation itself failed.
+  // `Promise.resolve` assimilates a thenable and passes a real Promise straight through.
+  if (typeof fn === 'function') {
+    try {
+      return { data: fn(), error: null }
+    } catch (e) {
+      return formatError(e)
+    }
   }
 
-  try {
-    return { data: fn(), error: null }
-  } catch (e) {
-    return formatError(e)
-  }
+  return Promise.resolve(fn)
+    .then(data => ({ data, error: null }))
+    .catch(formatError)
 }
diff --git a/packages/utils/test/helpers/addresses.test.ts b/packages/utils/test/helpers/addresses.test.ts
index 69764a53..fc78f24f 100644
--- a/packages/utils/test/helpers/addresses.test.ts
+++ b/packages/utils/test/helpers/addresses.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { abbreviateAddress } from '../../src/helpers/addresses'
 
diff --git a/packages/utils/test/helpers/bigint.test.ts b/packages/utils/test/helpers/bigint.test.ts
index f1d5f85f..0d8c43ff 100644
--- a/packages/utils/test/helpers/bigint.test.ts
+++ b/packages/utils/test/helpers/bigint.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { bigintAbs, bigintMin, mulDivDown, mulDivUp, zeroFloorSub } from '../../src/helpers/bigint'
 
diff --git a/packages/utils/test/helpers/deepFreeze.test.ts b/packages/utils/test/helpers/deepFreeze.test.ts
index b27cdc5b..87f403b9 100644
--- a/packages/utils/test/helpers/deepFreeze.test.ts
+++ b/packages/utils/test/helpers/deepFreeze.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { deepFreeze } from '../../src/helpers/deepFreeze'
 
diff --git a/packages/utils/test/helpers/delay.test.ts b/packages/utils/test/helpers/delay.test.ts
index aaf4acec..8e84f66b 100644
--- a/packages/utils/test/helpers/delay.test.ts
+++ b/packages/utils/test/helpers/delay.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { delay } from '../../src/helpers/delay'
 
diff --git a/packages/utils/test/helpers/deployless-batch-lens.test.ts b/packages/utils/test/helpers/deployless-batch-lens.test.ts
index fd9e7455..99dfe333 100644
--- a/packages/utils/test/helpers/deployless-batch-lens.test.ts
+++ b/packages/utils/test/helpers/deployless-batch-lens.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { getAddress } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { lensKey } from '../../src/helpers/deployless-batch-lens'
 
diff --git a/packages/utils/test/helpers/errors.test.ts b/packages/utils/test/helpers/errors.test.ts
index d01705ef..da2ae221 100644
--- a/packages/utils/test/helpers/errors.test.ts
+++ b/packages/utils/test/helpers/errors.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { assertNever, ensureError } from '../../src/helpers/errors'
 
diff --git a/packages/utils/test/helpers/fetch.test.ts b/packages/utils/test/helpers/fetch.test.ts
index ed130808..394a4041 100644
--- a/packages/utils/test/helpers/fetch.test.ts
+++ b/packages/utils/test/helpers/fetch.test.ts
@@ -1,4 +1,4 @@
-import { afterEach, beforeEach, describe, expect, it, mock } from 'bun:test'
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 
 import { fetchJsonResponse, fetchWithRetry, parseJsonResponse } from '../../src/helpers/fetch'
 
@@ -168,10 +168,10 @@ describe('fetchWithRetry', () => {
 
 describe('fetchJsonResponse', () => {
   const originalFetch = globalThis.fetch
-  let fetchMock: ReturnType<typeof mock>
+  let fetchMock: ReturnType<typeof vi.fn>
 
   beforeEach(() => {
-    fetchMock = mock(() => Promise.reject(new Error('fetch mock not configured')))
+    fetchMock = vi.fn(() => Promise.reject(new Error('fetch mock not configured')))
     globalThis.fetch = fetchMock as unknown as typeof fetch
   })
 
diff --git a/packages/utils/test/helpers/formatters.test.ts b/packages/utils/test/helpers/formatters.test.ts
index 76ee5f06..f8634dcc 100644
--- a/packages/utils/test/helpers/formatters.test.ts
+++ b/packages/utils/test/helpers/formatters.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import {
   formatBPSPercent,
diff --git a/packages/utils/test/helpers/json.test.ts b/packages/utils/test/helpers/json.test.ts
index fad4186e..11687c66 100644
--- a/packages/utils/test/helpers/json.test.ts
+++ b/packages/utils/test/helpers/json.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { Address } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { bigintReplacer, bigIntReviver, parse, stringify } from '../../src/helpers/json'
 
diff --git a/packages/utils/test/helpers/map.test.ts b/packages/utils/test/helpers/map.test.ts
index d903eb4c..97199ecb 100644
--- a/packages/utils/test/helpers/map.test.ts
+++ b/packages/utils/test/helpers/map.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { filterNull, mapObjValues } from '../../src/helpers/map'
 
diff --git a/packages/utils/test/helpers/promise.test.ts b/packages/utils/test/helpers/promise.test.ts
index b13d0ec3..2a5afdac 100644
--- a/packages/utils/test/helpers/promise.test.ts
+++ b/packages/utils/test/helpers/promise.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it, mock } from 'bun:test'
+import { describe, expect, it, vi } from 'vitest'
 
 import { allFulfilled } from '../../src/helpers/promise'
 
@@ -18,7 +18,7 @@ describe('allFulfilled', () => {
   })
 
   it('calls onRejected for each rejected promise with reason and index', async () => {
-    const onRejected = mock()
+    const onRejected = vi.fn()
     const error = new Error('boom')
 
     await allFulfilled([Promise.resolve(1), Promise.reject(error), Promise.resolve(3)], onRejected)
@@ -28,7 +28,7 @@ describe('allFulfilled', () => {
   })
 
   it('calls onRejected for multiple rejected promises with correct indices', async () => {
-    const onRejected = mock()
+    const onRejected = vi.fn()
     const error1 = new Error('first')
     const error2 = new Error('second')
 
@@ -44,7 +44,7 @@ describe('allFulfilled', () => {
   })
 
   it('calls onRejected with non-Error rejection reasons', async () => {
-    const onRejected = mock()
+    const onRejected = vi.fn()
 
     await allFulfilled([Promise.reject('string reason'), Promise.reject(42)], onRejected)
 
@@ -54,7 +54,7 @@ describe('allFulfilled', () => {
   })
 
   it('does not call onRejected when all promises fulfill', async () => {
-    const onRejected = mock()
+    const onRejected = vi.fn()
 
     await allFulfilled([Promise.resolve(1), Promise.resolve(2)], onRejected)
 
diff --git a/packages/utils/test/helpers/retry.test.ts b/packages/utils/test/helpers/retry.test.ts
index 0897d7b4..146d9fb3 100644
--- a/packages/utils/test/helpers/retry.test.ts
+++ b/packages/utils/test/helpers/retry.test.ts
@@ -1,10 +1,10 @@
-import { describe, expect, it, mock } from 'bun:test'
+import { describe, expect, it, vi } from 'vitest'
 
 import { retryUntilDefined } from '../../src/helpers/retry'
 
 describe('retryUntilDefined', () => {
   it('should return value immediately if defined on first try', async () => {
-    const fn = mock(() => 'success')
+    const fn = vi.fn(() => 'success')
 
     const result = await retryUntilDefined(fn)
 
@@ -13,7 +13,8 @@ describe('retryUntilDefined', () => {
   })
 
   it('should retry until value is defined', async () => {
-    const fn = mock<() => string | undefined>(() => undefined)
+    const fn = vi
+      .fn<() => string | undefined>(() => undefined)
       .mockReturnValueOnce(undefined)
       .mockReturnValueOnce(undefined)
       .mockReturnValue('success')
@@ -25,7 +26,7 @@ describe('retryUntilDefined', () => {
   })
 
   it('should throw error after max retries', async () => {
-    const fn = mock<() => string | undefined>(() => undefined)
+    const fn = vi.fn<() => string | undefined>(() => undefined)
 
     await expect(retryUntilDefined(fn, { maxRetries: 3, retryDelay: 1 })).rejects.toThrow(
       'Value not defined after 3 retries'
@@ -34,11 +35,12 @@ describe('retryUntilDefined', () => {
   })
 
   it('should call onRetry callback with attempt number', async () => {
-    const fn = mock<() => string | undefined>(() => undefined)
+    const fn = vi
+      .fn<() => string | undefined>(() => undefined)
       .mockReturnValueOnce(undefined)
       .mockReturnValueOnce(undefined)
       .mockReturnValue('success')
-    const onRetry = mock(() => {})
+    const onRetry = vi.fn(() => {})
 
     await retryUntilDefined(fn, { retryDelay: 1, onRetry })
 
@@ -48,10 +50,10 @@ describe('retryUntilDefined', () => {
   })
 
   it('should handle different return types', async () => {
-    const fnNumber = mock(() => 42)
-    const fnBoolean = mock(() => false)
-    const fnObject = mock(() => ({ foo: 'bar' }))
-    const fnArray = mock(() => [1, 2, 3])
+    const fnNumber = vi.fn(() => 42)
+    const fnBoolean = vi.fn(() => false)
+    const fnObject = vi.fn(() => ({ foo: 'bar' }))
+    const fnArray = vi.fn(() => [1, 2, 3])
 
     const [num, bool, obj, arr] = await Promise.all([
       retryUntilDefined(fnNumber),
@@ -67,7 +69,7 @@ describe('retryUntilDefined', () => {
   })
 
   it('should treat null as defined value', async () => {
-    const fn = mock(() => null)
+    const fn = vi.fn(() => null)
 
     const result = await retryUntilDefined(fn)
 
@@ -76,8 +78,8 @@ describe('retryUntilDefined', () => {
   })
 
   it('should not call onRetry on last failed attempt', async () => {
-    const fn = mock<() => string | undefined>(() => undefined)
-    const onRetry = mock(() => {})
+    const fn = vi.fn<() => string | undefined>(() => undefined)
+    const onRetry = vi.fn(() => {})
 
     await expect(retryUntilDefined(fn, { maxRetries: 3, retryDelay: 1, onRetry })).rejects.toThrow()
     expect(onRetry).toHaveBeenCalledTimes(2)
@@ -85,7 +87,7 @@ describe('retryUntilDefined', () => {
   })
 
   it('should handle functions that throw errors', async () => {
-    const fn = mock<() => string | undefined>(() => {
+    const fn = vi.fn<() => string | undefined>(() => {
       throw new Error('First error')
     })
 
@@ -94,7 +96,7 @@ describe('retryUntilDefined', () => {
   })
 
   it('should handle zero as a defined value', async () => {
-    const fn = mock(() => 0)
+    const fn = vi.fn(() => 0)
 
     const result = await retryUntilDefined(fn)
 
@@ -103,7 +105,7 @@ describe('retryUntilDefined', () => {
   })
 
   it('should handle empty string as a defined value', async () => {
-    const fn = mock(() => '')
+    const fn = vi.fn(() => '')
 
     const result = await retryUntilDefined(fn)
 
diff --git a/packages/utils/test/helpers/schema.test.ts b/packages/utils/test/helpers/schema.test.ts
index 522f3e9d..0652edd9 100644
--- a/packages/utils/test/helpers/schema.test.ts
+++ b/packages/utils/test/helpers/schema.test.ts
@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'bun:test'
 import { maxUint256 } from 'viem'
+import { describe, expect, it } from 'vitest'
 
 import { addressSchema, createOnchainAmountSchema } from '../../src/helpers/schema'
 
diff --git a/packages/utils/test/helpers/strings.test.ts b/packages/utils/test/helpers/strings.test.ts
index 09f26f14..718131e9 100644
--- a/packages/utils/test/helpers/strings.test.ts
+++ b/packages/utils/test/helpers/strings.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import {
   arrayToSentence,
diff --git a/packages/utils/test/helpers/time.test.ts b/packages/utils/test/helpers/time.test.ts
index b7f63706..e77bb1c6 100644
--- a/packages/utils/test/helpers/time.test.ts
+++ b/packages/utils/test/helpers/time.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import {
   dateLabelForUnixTimestamp,
diff --git a/packages/utils/test/helpers/tokenBucket.test.ts b/packages/utils/test/helpers/tokenBucket.test.ts
index e4e4bd0a..271cce9b 100644
--- a/packages/utils/test/helpers/tokenBucket.test.ts
+++ b/packages/utils/test/helpers/tokenBucket.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { createTokenBucket } from '../../src/helpers/tokenBucket'
 
diff --git a/packages/utils/test/helpers/tryCatch.test.ts b/packages/utils/test/helpers/tryCatch.test.ts
index 81bdbdce..9e5d143b 100644
--- a/packages/utils/test/helpers/tryCatch.test.ts
+++ b/packages/utils/test/helpers/tryCatch.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { tryCatch } from '../../src/helpers/tryCatch'
 
@@ -139,6 +139,42 @@ describe('tryCatch', () => {
     })
   })
 
+  // The deploy scripts pass execa subprocesses here. Those are thenables that are NOT native
+  // Promises, yet execa's typings declare them `extends Promise<Result>` — so a check of
+  // `fn instanceof Promise` type-checks fine and then takes the sync path at runtime, calling the
+  // subprocess object and reporting `fn is not a function` as if the command itself had failed.
+  describe('thenable (non-Promise) form', () => {
+    const thenable = <T>(value: T) => ({
+      // oxlint-disable-next-line unicorn/no-thenable -- a non-Promise thenable IS the subject here
+      then: (resolve: (value: T) => void) => {
+        resolve(value)
+      }
+    })
+    const rejecting = (reason: unknown) => ({
+      // oxlint-disable-next-line unicorn/no-thenable -- as above; stands in for execa's subprocess
+      then: (_resolve: (value: never) => void, reject: (reason: unknown) => void) => {
+        reject(reason)
+      }
+    })
+
+    it('should resolve a thenable that is not a Promise instance', async () => {
+      const subject = thenable(42)
+      expect(subject).not.toBeInstanceOf(Promise)
+
+      const result = await tryCatch(subject as unknown as Promise<number>)
+
+      expect(result).toEqual({ data: 42, error: null })
+    })
+
+    it('should capture a thenable rejection as an error rather than calling it', async () => {
+      const result = await tryCatch(rejecting(new Error('boom')) as unknown as Promise<never>)
+
+      expect(result.data).toBeNull()
+      expect(result.error?.message).toBe('boom')
+      expect(result.error?.message).not.toContain('is not a function')
+    })
+  })
+
   describe('custom error types', () => {
     class CustomError extends Error {
       code: number
diff --git a/packages/utils/test/helpers/tryOrUndefined.test.ts b/packages/utils/test/helpers/tryOrUndefined.test.ts
index 4f992fb6..0f57ce31 100644
--- a/packages/utils/test/helpers/tryOrUndefined.test.ts
+++ b/packages/utils/test/helpers/tryOrUndefined.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { tryOrUndefined } from '../../src/helpers/tryOrUndefined'
 
diff --git a/packages/utils/test/helpers/wad.test.ts b/packages/utils/test/helpers/wad.test.ts
index 9a4cae06..38a2c722 100644
--- a/packages/utils/test/helpers/wad.test.ts
+++ b/packages/utils/test/helpers/wad.test.ts
@@ -1,4 +1,4 @@
-import { describe, expect, it } from 'bun:test'
+import { describe, expect, it } from 'vitest'
 
 import { wadToWholePercent, wholePercentToWAD } from '../../src/helpers/wad'
 
diff --git a/packages/utils/tsconfig.json b/packages/utils/tsconfig.json
index 812897d6..47eee2db 100644
--- a/packages/utils/tsconfig.json
+++ b/packages/utils/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "extends": "@repo/typescript-config/base",
   "compilerOptions": {
-    "types": ["bun"]
+    "types": ["node"]
   },
   "include": ["src", "test"],
   "exclude": ["node_modules"]
diff --git a/packages/utils/vitest.config.ts b/packages/utils/vitest.config.ts
new file mode 100644
index 00000000..bb311490
--- /dev/null
+++ b/packages/utils/vitest.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    name: 'utils'
+  }
+})
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ec1fcc80..52a53c7f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -27,12 +27,12 @@ catalogs:
     '@tanstack/react-table':
       specifier: 8.21.3
       version: 8.21.3
-    '@types/bun':
-      specifier: 1.3.13
-      version: 1.3.13
     '@types/lodash-es':
       specifier: ^4.17.12
       version: 4.17.12
+    '@types/node':
+      specifier: 24.7.0
+      version: 24.7.0
     '@types/react':
       specifier: 19.2.18
       version: 19.2.18
@@ -42,6 +42,12 @@ catalogs:
     date-fns:
       specifier: 4.1.0
       version: 4.1.0
+    esbuild:
+      specifier: 0.28.1
+      version: 0.28.1
+    execa:
+      specifier: 9.6.0
+      version: 9.6.0
     executooor-viem:
       specifier: ^1.3.3
       version: 1.3.3
@@ -87,12 +93,21 @@ catalogs:
     soltag:
       specifier: ^0.0.17
       version: 0.0.17
+    tsx:
+      specifier: 4.21.0
+      version: 4.21.0
     typescript:
       specifier: 6.0.2
       version: 6.0.2
     viem:
       specifier: 2.47.17
       version: 2.47.17
+    vite:
+      specifier: 7.3.6
+      version: 7.3.6
+    vitest:
+      specifier: 4.1.2
+      version: 4.1.2
     zod:
       specifier: 3.25.76
       version: 3.25.76
@@ -104,15 +119,15 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:packages/typescript-config
-      esbuild:
-        specifier: 0.25.12
-        version: 0.25.12
+      '@types/node':
+        specifier: 'catalog:'
+        version: 24.7.0
       husky:
         specifier: 'catalog:'
         version: 9.1.7
       knip:
         specifier: 'catalog:'
-        version: 5.88.1(@types/node@25.8.0)(typescript@6.0.2)
+        version: 5.88.1(@types/node@24.7.0)(typescript@6.0.2)
       lint-staged:
         specifier: 'catalog:'
         version: 16.4.0
@@ -125,9 +140,18 @@ importers:
       oxlint-tsgolint:
         specifier: 'catalog:'
         version: 0.22.1
+      tsx:
+        specifier: 'catalog:'
+        version: 4.21.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vite:
+        specifier: 'catalog:'
+        version: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   bots/blue-liquidation:
     dependencies:
@@ -151,7 +175,7 @@ importers:
         version: 0.8.35
       soltag:
         specifier: 'catalog:'
-        version: 0.0.17(esbuild@0.25.12)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3))
+        version: 0.0.17(esbuild@0.28.1)(rollup@4.62.4)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3))(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
       viem:
         specifier: 'catalog:'
         version: 2.47.17(typescript@6.0.2)(zod@4.4.3)
@@ -159,12 +183,27 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../../packages/typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
+      esbuild:
+        specifier: 'catalog:'
+        version: 0.28.1
+      execa:
+        specifier: 'catalog:'
+        version: 9.6.0
+      tsx:
+        specifier: 'catalog:'
+        version: 4.21.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vite:
+        specifier: 'catalog:'
+        version: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   bots/market-making:
     dependencies:
@@ -232,21 +271,36 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../../packages/typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
       '@types/react':
         specifier: 'catalog:'
         version: 19.2.18
       '@types/react-dom':
         specifier: 'catalog:'
         version: 19.2.4(@types/react@19.2.18)
+      esbuild:
+        specifier: 'catalog:'
+        version: 0.28.1
+      execa:
+        specifier: 'catalog:'
+        version: 9.6.0
+      tsx:
+        specifier: 'catalog:'
+        version: 4.21.0
       typedoc:
         specifier: 0.28.20
         version: 0.28.20(typescript@6.0.2)
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vite:
+        specifier: 'catalog:'
+        version: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3)
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3))
 
   bots/midnight-crossed-books:
     dependencies:
@@ -269,15 +323,27 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../../packages/typescript-config
-      '@types/bun':
+      '@types/node':
+        specifier: 'catalog:'
+        version: 24.7.0
+      esbuild:
+        specifier: 'catalog:'
+        version: 0.28.1
+      execa:
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 9.6.0
       openapi-typescript:
         specifier: 'catalog:'
         version: 7.13.0(typescript@6.0.2)
+      tsx:
+        specifier: 'catalog:'
+        version: 4.21.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   bots/midnight-liquidation:
     dependencies:
@@ -304,7 +370,7 @@ importers:
         version: 0.8.35
       soltag:
         specifier: 'catalog:'
-        version: 0.0.17(esbuild@0.25.12)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3))
+        version: 0.0.17(esbuild@0.28.1)(rollup@4.62.4)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3))(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
       viem:
         specifier: 'catalog:'
         version: 2.47.17(typescript@6.0.2)(zod@4.4.3)
@@ -312,12 +378,27 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../../packages/typescript-config
-      '@types/bun':
+      '@types/node':
+        specifier: 'catalog:'
+        version: 24.7.0
+      esbuild:
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 0.28.1
+      execa:
+        specifier: 'catalog:'
+        version: 9.6.0
+      tsx:
+        specifier: 'catalog:'
+        version: 4.21.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vite:
+        specifier: 'catalog:'
+        version: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   packages/bot-kit:
     dependencies:
@@ -340,27 +421,36 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   packages/contracts:
     devDependencies:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
+      '@types/node':
+        specifier: 'catalog:'
+        version: 24.7.0
+      esbuild:
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 0.28.1
       solc:
         specifier: 'catalog:'
         version: 0.8.35
       soltag:
         specifier: 'catalog:'
-        version: 0.0.17(esbuild@0.25.12)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3))
+        version: 0.0.17(esbuild@0.28.1)(rollup@4.62.4)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3))(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
+      tsx:
+        specifier: 'catalog:'
+        version: 4.21.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
@@ -373,24 +463,30 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   packages/monitoring:
     devDependencies:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   packages/observability:
     dependencies:
@@ -401,12 +497,15 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   packages/offers:
     dependencies:
@@ -417,12 +516,15 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   packages/swaps:
     dependencies:
@@ -442,12 +544,15 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
+      '@types/node':
         specifier: 'catalog:'
-        version: 1.3.13
+        version: 24.7.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
   packages/typescript-config: {}
 
@@ -478,15 +583,18 @@ importers:
       '@repo/typescript-config':
         specifier: workspace:*
         version: link:../typescript-config
-      '@types/bun':
-        specifier: 'catalog:'
-        version: 1.3.13
       '@types/lodash-es':
         specifier: 'catalog:'
         version: 4.17.12
+      '@types/node':
+        specifier: 'catalog:'
+        version: 24.7.0
       typescript:
         specifier: 'catalog:'
         version: 6.0.2
+      vitest:
+        specifier: 'catalog:'
+        version: 4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
 
 packages:
 
@@ -577,158 +685,314 @@ packages:
   '@emnapi/wasi-threads@1.2.2':
     resolution: {integrity: sha512-c95qOXkHdydNKhscBTebqEC1CVAZpyqOfVfBzQ1qgzyl3gfeldUjIggDbIZgDKsHLgnsM+igH7TJ/eAasaVuMA==}
 
-  '@esbuild/aix-ppc64@0.25.12':
-    resolution: {integrity: sha512-Hhmwd6CInZ3dwpuGTF8fJG6yoWmsToE+vYgD4nytZVxcu1ulHpUQRAB1UJ8+N1Am3Mz4+xOByoQoSZf4D+CpkA==}
+  '@esbuild/aix-ppc64@0.27.7':
+    resolution: {integrity: sha512-EKX3Qwmhz1eMdEJokhALr0YiD0lhQNwDqkPYyPhiSwKrh7/4KRjQc04sZ8db+5DVVnZ1LmbNDI1uAMPEUBnQPg==}
+    engines: {node: '>=18'}
+    cpu: [ppc64]
+    os: [aix]
+
+  '@esbuild/aix-ppc64@0.28.1':
+    resolution: {integrity: sha512-Svl7tq8k/08+p6CXPpRjQ1fKX+1odH/BQbb48fV6fj3CWHhsoIOoY87w1oHXm0qEpkIK3ZfVgp0hed3XBXzXMQ==}
     engines: {node: '>=18'}
     cpu: [ppc64]
     os: [aix]
 
-  '@esbuild/android-arm64@0.25.12':
-    resolution: {integrity: sha512-6AAmLG7zwD1Z159jCKPvAxZd4y/VTO0VkprYy+3N2FtJ8+BQWFXU+OxARIwA46c5tdD9SsKGZ/1ocqBS/gAKHg==}
+  '@esbuild/android-arm64@0.27.7':
+    resolution: {integrity: sha512-62dPZHpIXzvChfvfLJow3q5dDtiNMkwiRzPylSCfriLvZeq0a1bWChrGx/BbUbPwOrsWKMn8idSllklzBy+dgQ==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [android]
 
-  '@esbuild/android-arm@0.25.12':
-    resolution: {integrity: sha512-VJ+sKvNA/GE7Ccacc9Cha7bpS8nyzVv0jdVgwNDaR4gDMC/2TTRc33Ip8qrNYUcpkOHUT5OZ0bUcNNVZQ9RLlg==}
+  '@esbuild/android-arm64@0.28.1':
+    resolution: {integrity: sha512-34EGEbCIAgosYz6goLcopX6Mo7NyGv9tfwEM2/7Ce2VcVRk568iSvniGWcUXIy7wEDR1wzolcxcriFVrWYcwBg==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [android]
+
+  '@esbuild/android-arm@0.27.7':
+    resolution: {integrity: sha512-jbPXvB4Yj2yBV7HUfE2KHe4GJX51QplCN1pGbYjvsyCZbQmies29EoJbkEc+vYuU5o45AfQn37vZlyXy4YJ8RQ==}
     engines: {node: '>=18'}
     cpu: [arm]
     os: [android]
 
-  '@esbuild/android-x64@0.25.12':
-    resolution: {integrity: sha512-5jbb+2hhDHx5phYR2By8GTWEzn6I9UqR11Kwf22iKbNpYrsmRB18aX/9ivc5cabcUiAT/wM+YIZ6SG9QO6a8kg==}
+  '@esbuild/android-arm@0.28.1':
+    resolution: {integrity: sha512-0k2F129Xdio1TdJfzJ8sy1Q47vUD2NnwdhiAf7drUN1EBTfPf4hsFCtmMgu/6m8JSzsBrlmVjudMBQqOfG8usQ==}
+    engines: {node: '>=18'}
+    cpu: [arm]
+    os: [android]
+
+  '@esbuild/android-x64@0.27.7':
+    resolution: {integrity: sha512-x5VpMODneVDb70PYV2VQOmIUUiBtY3D3mPBG8NxVk5CogneYhkR7MmM3yR/uMdITLrC1ml/NV1rj4bMJuy9MCg==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [android]
+
+  '@esbuild/android-x64@0.28.1':
+    resolution: {integrity: sha512-dbwY7ltSMDWsRatcRpCnES4F+im88OCUgGZjy52shC7GqHRE/cYlxNbB4Z4UpJswpcc4Qxd2oE/ufM0p61IKng==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [android]
 
-  '@esbuild/darwin-arm64@0.25.12':
-    resolution: {integrity: sha512-N3zl+lxHCifgIlcMUP5016ESkeQjLj/959RxxNYIthIg+CQHInujFuXeWbWMgnTo4cp5XVHqFPmpyu9J65C1Yg==}
+  '@esbuild/darwin-arm64@0.27.7':
+    resolution: {integrity: sha512-5lckdqeuBPlKUwvoCXIgI2D9/ABmPq3Rdp7IfL70393YgaASt7tbju3Ac+ePVi3KDH6N2RqePfHnXkaDtY9fkw==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [darwin]
 
-  '@esbuild/darwin-x64@0.25.12':
-    resolution: {integrity: sha512-HQ9ka4Kx21qHXwtlTUVbKJOAnmG1ipXhdWTmNXiPzPfWKpXqASVcWdnf2bnL73wgjNrFXAa3yYvBSd9pzfEIpA==}
+  '@esbuild/darwin-arm64@0.28.1':
+    resolution: {integrity: sha512-TZbWkQY7kvTAXbXUT7uVACR5cMHsDiSz9z7ZKAX/RTq/WJEk3QyRr0wZpNhBDX+/0CtdqUIJlOiodQcta6tY3Q==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@esbuild/darwin-x64@0.27.7':
+    resolution: {integrity: sha512-rYnXrKcXuT7Z+WL5K980jVFdvVKhCHhUwid+dDYQpH+qu+TefcomiMAJpIiC2EM3Rjtq0sO3StMV/+3w3MyyqQ==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [darwin]
+
+  '@esbuild/darwin-x64@0.28.1':
+    resolution: {integrity: sha512-zfdzgK9ACBNZLI/CyHTOx81SyNbM6YXn7rxSgX97VjyiPl9W1i4Ka4fgKECEoFCKGpvBj5qArWIGgQjOwkgskQ==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [darwin]
 
-  '@esbuild/freebsd-arm64@0.25.12':
-    resolution: {integrity: sha512-gA0Bx759+7Jve03K1S0vkOu5Lg/85dou3EseOGUes8flVOGxbhDDh/iZaoek11Y8mtyKPGF3vP8XhnkDEAmzeg==}
+  '@esbuild/freebsd-arm64@0.27.7':
+    resolution: {integrity: sha512-B48PqeCsEgOtzME2GbNM2roU29AMTuOIN91dsMO30t+Ydis3z/3Ngoj5hhnsOSSwNzS+6JppqWsuhTp6E82l2w==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [freebsd]
 
-  '@esbuild/freebsd-x64@0.25.12':
-    resolution: {integrity: sha512-TGbO26Yw2xsHzxtbVFGEXBFH0FRAP7gtcPE7P5yP7wGy7cXK2oO7RyOhL5NLiqTlBh47XhmIUXuGciXEqYFfBQ==}
+  '@esbuild/freebsd-arm64@0.28.1':
+    resolution: {integrity: sha512-wG2EA8ENdEI0qhkSZMjfqrdY+ziCYCPMmtZjjIwOmXFjmyzEHn+UUxk5of+SYsjtfs3VpnlC7QLzSI5hY/rOAw==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [freebsd]
+
+  '@esbuild/freebsd-x64@0.27.7':
+    resolution: {integrity: sha512-jOBDK5XEjA4m5IJK3bpAQF9/Lelu/Z9ZcdhTRLf4cajlB+8VEhFFRjWgfy3M1O4rO2GQ/b2dLwCUGpiF/eATNQ==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [freebsd]
+
+  '@esbuild/freebsd-x64@0.28.1':
+    resolution: {integrity: sha512-i7dZ9vQgnvSCzi/rYCXNgtF/U+eKZNJBzu3eTQbRgHnM7tNSizLOkRFAl3qzVc/Op/u5YkHHa4pf/3DOYHthLQ==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [freebsd]
 
-  '@esbuild/linux-arm64@0.25.12':
-    resolution: {integrity: sha512-8bwX7a8FghIgrupcxb4aUmYDLp8pX06rGh5HqDT7bB+8Rdells6mHvrFHHW2JAOPZUbnjUpKTLg6ECyzvas2AQ==}
+  '@esbuild/linux-arm64@0.27.7':
+    resolution: {integrity: sha512-RZPHBoxXuNnPQO9rvjh5jdkRmVizktkT7TCDkDmQ0W2SwHInKCAV95GRuvdSvA7w4VMwfCjUiPwDi0ZO6Nfe9A==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [linux]
+
+  '@esbuild/linux-arm64@0.28.1':
+    resolution: {integrity: sha512-yHs+0uc8+nvEAfAfxrWQKK5peSNzBc4PegcMO0EJ2hT71uA7vB8Ihg2e77R2P7SG5uYjPbHlLLmve4LLLRCf0g==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [linux]
 
-  '@esbuild/linux-arm@0.25.12':
-    resolution: {integrity: sha512-lPDGyC1JPDou8kGcywY0YILzWlhhnRjdof3UlcoqYmS9El818LLfJJc3PXXgZHrHCAKs/Z2SeZtDJr5MrkxtOw==}
+  '@esbuild/linux-arm@0.27.7':
+    resolution: {integrity: sha512-RkT/YXYBTSULo3+af8Ib0ykH8u2MBh57o7q/DAs3lTJlyVQkgQvlrPTnjIzzRPQyavxtPtfg0EopvDyIt0j1rA==}
     engines: {node: '>=18'}
     cpu: [arm]
     os: [linux]
 
-  '@esbuild/linux-ia32@0.25.12':
-    resolution: {integrity: sha512-0y9KrdVnbMM2/vG8KfU0byhUN+EFCny9+8g202gYqSSVMonbsCfLjUO+rCci7pM0WBEtz+oK/PIwHkzxkyharA==}
+  '@esbuild/linux-arm@0.28.1':
+    resolution: {integrity: sha512-qVXBOHQS+d5Y722GwJzJUtOLlX7km3CraOaGormF1pDtPd2C/l1SHRPgjLunLGe51Sh5YYWKMFDyV4SxgMQYTQ==}
+    engines: {node: '>=18'}
+    cpu: [arm]
+    os: [linux]
+
+  '@esbuild/linux-ia32@0.27.7':
+    resolution: {integrity: sha512-GA48aKNkyQDbd3KtkplYWT102C5sn/EZTY4XROkxONgruHPU72l+gW+FfF8tf2cFjeHaRbWpOYa/uRBz/Xq1Pg==}
+    engines: {node: '>=18'}
+    cpu: [ia32]
+    os: [linux]
+
+  '@esbuild/linux-ia32@0.28.1':
+    resolution: {integrity: sha512-d1z4ZuP0ajrfz/FhGT4vv278rX8KnPPJx8i5+AtK7TYbx9Le9F1hyzurZpkEyjkGa9dUGhQow4C1NmeGvqxN2w==}
     engines: {node: '>=18'}
     cpu: [ia32]
     os: [linux]
 
-  '@esbuild/linux-loong64@0.25.12':
-    resolution: {integrity: sha512-h///Lr5a9rib/v1GGqXVGzjL4TMvVTv+s1DPoxQdz7l/AYv6LDSxdIwzxkrPW438oUXiDtwM10o9PmwS/6Z0Ng==}
+  '@esbuild/linux-loong64@0.27.7':
+    resolution: {integrity: sha512-a4POruNM2oWsD4WKvBSEKGIiWQF8fZOAsycHOt6JBpZ+JN2n2JH9WAv56SOyu9X5IqAjqSIPTaJkqN8F7XOQ5Q==}
     engines: {node: '>=18'}
     cpu: [loong64]
     os: [linux]
 
-  '@esbuild/linux-mips64el@0.25.12':
-    resolution: {integrity: sha512-iyRrM1Pzy9GFMDLsXn1iHUm18nhKnNMWscjmp4+hpafcZjrr2WbT//d20xaGljXDBYHqRcl8HnxbX6uaA/eGVw==}
+  '@esbuild/linux-loong64@0.28.1':
+    resolution: {integrity: sha512-M5sRjUVZrkm1OAPR3dlOYzNmN+loZKGVi1VUQGrwuqLcbR6qeAz+famMhjASeH3YVKvZz+zT1jlh/keC3Rj/lg==}
+    engines: {node: '>=18'}
+    cpu: [loong64]
+    os: [linux]
+
+  '@esbuild/linux-mips64el@0.27.7':
+    resolution: {integrity: sha512-KabT5I6StirGfIz0FMgl1I+R1H73Gp0ofL9A3nG3i/cYFJzKHhouBV5VWK1CSgKvVaG4q1RNpCTR2LuTVB3fIw==}
     engines: {node: '>=18'}
     cpu: [mips64el]
     os: [linux]
 
-  '@esbuild/linux-ppc64@0.25.12':
-    resolution: {integrity: sha512-9meM/lRXxMi5PSUqEXRCtVjEZBGwB7P/D4yT8UG/mwIdze2aV4Vo6U5gD3+RsoHXKkHCfSxZKzmDssVlRj1QQA==}
+  '@esbuild/linux-mips64el@0.28.1':
+    resolution: {integrity: sha512-mRObBZeHh2OxcBFPWE/FjylkRgZdYuiTR3vaTozquCGOH14iP9oN4x4Ge81CoIDYQrXmIxpFumJBu5MtZpnQJQ==}
+    engines: {node: '>=18'}
+    cpu: [mips64el]
+    os: [linux]
+
+  '@esbuild/linux-ppc64@0.27.7':
+    resolution: {integrity: sha512-gRsL4x6wsGHGRqhtI+ifpN/vpOFTQtnbsupUF5R5YTAg+y/lKelYR1hXbnBdzDjGbMYjVJLJTd2OFmMewAgwlQ==}
+    engines: {node: '>=18'}
+    cpu: [ppc64]
+    os: [linux]
+
+  '@esbuild/linux-ppc64@0.28.1':
+    resolution: {integrity: sha512-slScBsMAb3GFDcdrCgLwZtPYRoH2H/youv10QiZyRjmsP48fznoveWytSgCI/R0ZcUgpc0ZhIUEx6LHts8yrfQ==}
     engines: {node: '>=18'}
     cpu: [ppc64]
     os: [linux]
 
-  '@esbuild/linux-riscv64@0.25.12':
-    resolution: {integrity: sha512-Zr7KR4hgKUpWAwb1f3o5ygT04MzqVrGEGXGLnj15YQDJErYu/BGg+wmFlIDOdJp0PmB0lLvxFIOXZgFRrdjR0w==}
+  '@esbuild/linux-riscv64@0.27.7':
+    resolution: {integrity: sha512-hL25LbxO1QOngGzu2U5xeXtxXcW+/GvMN3ejANqXkxZ/opySAZMrc+9LY/WyjAan41unrR3YrmtTsUpwT66InQ==}
+    engines: {node: '>=18'}
+    cpu: [riscv64]
+    os: [linux]
+
+  '@esbuild/linux-riscv64@0.28.1':
+    resolution: {integrity: sha512-kw0owk1o0GFETUJyW0jc0G4Yzs0BHZn0JDZ8JRT088vjJYX777BAs1fDGxAC+q831qOs2DTC96mNsG2opdfyyQ==}
     engines: {node: '>=18'}
     cpu: [riscv64]
     os: [linux]
 
-  '@esbuild/linux-s390x@0.25.12':
-    resolution: {integrity: sha512-MsKncOcgTNvdtiISc/jZs/Zf8d0cl/t3gYWX8J9ubBnVOwlk65UIEEvgBORTiljloIWnBzLs4qhzPkJcitIzIg==}
+  '@esbuild/linux-s390x@0.27.7':
+    resolution: {integrity: sha512-2k8go8Ycu1Kb46vEelhu1vqEP+UeRVj2zY1pSuPdgvbd5ykAw82Lrro28vXUrRmzEsUV0NzCf54yARIK8r0fdw==}
     engines: {node: '>=18'}
     cpu: [s390x]
     os: [linux]
 
-  '@esbuild/linux-x64@0.25.12':
-    resolution: {integrity: sha512-uqZMTLr/zR/ed4jIGnwSLkaHmPjOjJvnm6TVVitAa08SLS9Z0VM8wIRx7gWbJB5/J54YuIMInDquWyYvQLZkgw==}
+  '@esbuild/linux-s390x@0.28.1':
+    resolution: {integrity: sha512-/lAIjX8aYFRByhh6L5rYtPEDRqa9de/4V/juOXcta5frjvzXO4/sqEtyytse0g3zZFuWu5cDN0MkLz2qRDD2Ag==}
+    engines: {node: '>=18'}
+    cpu: [s390x]
+    os: [linux]
+
+  '@esbuild/linux-x64@0.27.7':
+    resolution: {integrity: sha512-hzznmADPt+OmsYzw1EE33ccA+HPdIqiCRq7cQeL1Jlq2gb1+OyWBkMCrYGBJ+sxVzve2ZJEVeePbLM2iEIZSxA==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [linux]
+
+  '@esbuild/linux-x64@0.28.1':
+    resolution: {integrity: sha512-u/anNYF2mmVOEDwLtnQ1wOr3EZ9sTNGLWrsYGYwHWzGA3Si84IOkHXlbWTD1NB+9/1lcnweYKO54uhxZydNzfA==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [linux]
 
-  '@esbuild/netbsd-arm64@0.25.12':
-    resolution: {integrity: sha512-xXwcTq4GhRM7J9A8Gv5boanHhRa/Q9KLVmcyXHCTaM4wKfIpWkdXiMog/KsnxzJ0A1+nD+zoecuzqPmCRyBGjg==}
+  '@esbuild/netbsd-arm64@0.27.7':
+    resolution: {integrity: sha512-b6pqtrQdigZBwZxAn1UpazEisvwaIDvdbMbmrly7cDTMFnw/+3lVxxCTGOrkPVnsYIosJJXAsILG9XcQS+Yu6w==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [netbsd]
+
+  '@esbuild/netbsd-arm64@0.28.1':
+    resolution: {integrity: sha512-oks0DYbLwWMmaakTsCb+zL4E+aHRVLom9IJZOAthMQEPiQmydXHkziYEsGYRx0uNV/IjEKGAV941JzH02pflqw==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [netbsd]
 
-  '@esbuild/netbsd-x64@0.25.12':
-    resolution: {integrity: sha512-Ld5pTlzPy3YwGec4OuHh1aCVCRvOXdH8DgRjfDy/oumVovmuSzWfnSJg+VtakB9Cm0gxNO9BzWkj6mtO1FMXkQ==}
+  '@esbuild/netbsd-x64@0.27.7':
+    resolution: {integrity: sha512-OfatkLojr6U+WN5EDYuoQhtM+1xco+/6FSzJJnuWiUw5eVcicbyK3dq5EeV/QHT1uy6GoDhGbFpprUiHUYggrw==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [netbsd]
+
+  '@esbuild/netbsd-x64@0.28.1':
+    resolution: {integrity: sha512-aeL6lAnN89Hz43Mlh1G8ARasbuoYvSITDEx0tHh5b7jJnHcssqgjy9Yx430GDpmCa6OyrKoS0aNRjKundRizGg==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [netbsd]
 
-  '@esbuild/openbsd-arm64@0.25.12':
-    resolution: {integrity: sha512-fF96T6KsBo/pkQI950FARU9apGNTSlZGsv1jZBAlcLL1MLjLNIWPBkj5NlSz8aAzYKg+eNqknrUJ24QBybeR5A==}
+  '@esbuild/openbsd-arm64@0.27.7':
+    resolution: {integrity: sha512-AFuojMQTxAz75Fo8idVcqoQWEHIXFRbOc1TrVcFSgCZtQfSdc1RXgB3tjOn/krRHENUB4j00bfGjyl2mJrU37A==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [openbsd]
+
+  '@esbuild/openbsd-arm64@0.28.1':
+    resolution: {integrity: sha512-MEFJe5C3R8pwXdZ5Y21oo6m7ePiS0d9pWucn99O/wvyJZChoIQKrQDxKrGeW8F5+T0okTHesAmDeiHDTIq0V/Q==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [openbsd]
 
-  '@esbuild/openbsd-x64@0.25.12':
-    resolution: {integrity: sha512-MZyXUkZHjQxUvzK7rN8DJ3SRmrVrke8ZyRusHlP+kuwqTcfWLyqMOE3sScPPyeIXN/mDJIfGXvcMqCgYKekoQw==}
+  '@esbuild/openbsd-x64@0.27.7':
+    resolution: {integrity: sha512-+A1NJmfM8WNDv5CLVQYJ5PshuRm/4cI6WMZRg1by1GwPIQPCTs1GLEUHwiiQGT5zDdyLiRM/l1G0Pv54gvtKIg==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [openbsd]
 
-  '@esbuild/openharmony-arm64@0.25.12':
-    resolution: {integrity: sha512-rm0YWsqUSRrjncSXGA7Zv78Nbnw4XL6/dzr20cyrQf7ZmRcsovpcRBdhD43Nuk3y7XIoW2OxMVvwuRvk9XdASg==}
+  '@esbuild/openbsd-x64@0.28.1':
+    resolution: {integrity: sha512-i/ZLIOafE0Z8cI/XANJAixoJL/uRAoS2xOA3rb0xN+KK0K177cMAsQYkzHtBrtMXAKuAc7HGgcWiZ/sRC1Nxgw==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [openbsd]
+
+  '@esbuild/openharmony-arm64@0.27.7':
+    resolution: {integrity: sha512-+KrvYb/C8zA9CU/g0sR6w2RBw7IGc5J2BPnc3dYc5VJxHCSF1yNMxTV5LQ7GuKteQXZtspjFbiuW5/dOj7H4Yw==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [openharmony]
 
-  '@esbuild/sunos-x64@0.25.12':
-    resolution: {integrity: sha512-3wGSCDyuTHQUzt0nV7bocDy72r2lI33QL3gkDNGkod22EsYl04sMf0qLb8luNKTOmgF/eDEDP5BFNwoBKH441w==}
+  '@esbuild/openharmony-arm64@0.28.1':
+    resolution: {integrity: sha512-ge+Z7EXFNt2BO1oAMsVpiQ8EwndV9i1xXerAeTIK7AtPs3bKFXQM7nlRxDSIUIMeueR1CNXxqztLzdNeReKBJg==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [openharmony]
+
+  '@esbuild/sunos-x64@0.27.7':
+    resolution: {integrity: sha512-ikktIhFBzQNt/QDyOL580ti9+5mL/YZeUPKU2ivGtGjdTYoqz6jObj6nOMfhASpS4GU4Q/Clh1QtxWAvcYKamA==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [sunos]
 
-  '@esbuild/win32-arm64@0.25.12':
-    resolution: {integrity: sha512-rMmLrur64A7+DKlnSuwqUdRKyd3UE7oPJZmnljqEptesKM8wx9J8gx5u0+9Pq0fQQW8vqeKebwNXdfOyP+8Bsg==}
+  '@esbuild/sunos-x64@0.28.1':
+    resolution: {integrity: sha512-BEjgtECkL3vY+SaSQ6nzVfiALUeFxpawyp8Jmf5PtYhf1Ug40N1h/hxlhts+f1FvSvarEigdxS3BlSMI2PJLcQ==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [sunos]
+
+  '@esbuild/win32-arm64@0.27.7':
+    resolution: {integrity: sha512-7yRhbHvPqSpRUV7Q20VuDwbjW5kIMwTHpptuUzV+AA46kiPze5Z7qgt6CLCK3pWFrHeNfDd1VKgyP4O+ng17CA==}
+    engines: {node: '>=18'}
+    cpu: [arm64]
+    os: [win32]
+
+  '@esbuild/win32-arm64@0.28.1':
+    resolution: {integrity: sha512-lCv9eK/H6ZJWbE7bh2nw54CZ9M2nupBxJcTsdk/QQnWkdSjKGuxmmH8/GWrlT1eMmZfn4dGcCjRte397WqfQXA==}
     engines: {node: '>=18'}
     cpu: [arm64]
     os: [win32]
 
-  '@esbuild/win32-ia32@0.25.12':
-    resolution: {integrity: sha512-HkqnmmBoCbCwxUKKNPBixiWDGCpQGVsrQfJoVGYLPT41XWF8lHuE5N6WhVia2n4o5QK5M4tYr21827fNhi4byQ==}
+  '@esbuild/win32-ia32@0.27.7':
+    resolution: {integrity: sha512-SmwKXe6VHIyZYbBLJrhOoCJRB/Z1tckzmgTLfFYOfpMAx63BJEaL9ExI8x7v0oAO3Zh6D/Oi1gVxEYr5oUCFhw==}
     engines: {node: '>=18'}
     cpu: [ia32]
     os: [win32]
 
-  '@esbuild/win32-x64@0.25.12':
-    resolution: {integrity: sha512-alJC0uCZpTFrSL0CCDjcgleBXPnCrEAhTBILpeAp7M/OFgoqtAetfBzX0xM00MUsVVPpVjlPuMbREqnZCXaTnA==}
+  '@esbuild/win32-ia32@0.28.1':
+    resolution: {integrity: sha512-zvb/mB2bSCoJOpoCBgYKKpX6YM6mJBlBUVUtVj41DlZJVEB6/0CKlRYxP5wWl1C1ILiCoAU5wZZ4q1P3qeS6Eg==}
+    engines: {node: '>=18'}
+    cpu: [ia32]
+    os: [win32]
+
+  '@esbuild/win32-x64@0.27.7':
+    resolution: {integrity: sha512-56hiAJPhwQ1R4i+21FVF7V8kSD5zZTdHcVuRFMW0hn753vVfQN8xlx4uOPT4xoGH0Z/oVATuR82AiqSTDIpaHg==}
+    engines: {node: '>=18'}
+    cpu: [x64]
+    os: [win32]
+
+  '@esbuild/win32-x64@0.28.1':
+    resolution: {integrity: sha512-bm4Mowrv+GXMlpWX++EcXw/iLyd1o3+bJkC2DkWXYVvgZCqD/bSj9ctZeAMC3cIxgjRVR2Dufaiu4YPxr5gW1A==}
     engines: {node: '>=18'}
     cpu: [x64]
     os: [win32]
@@ -834,6 +1098,13 @@ packages:
       '@vercel/blob':
         optional: true
 
+  '@napi-rs/lzma-linux-x64-gnu@1.5.1':
+    resolution: {integrity: sha512-oTXEIha4SsuXdTA4Iyskj0kpdx2yVXdhd75c2v3xGrHFfVMsbhTPZU/nMPL4sWKo4pBHm3aucLaqGlF696dTyQ==}
+    engines: {node: ^22.20 || ^24.12 || >=25}
+    cpu: [x64]
+    os: [linux]
+    libc: [glibc]
+
   '@napi-rs/wasm-runtime@1.2.2':
     resolution: {integrity: sha512-JfB4kuJQjaoHuCTseIINHtHWeJnvgEcxjwA5t/Y00ZgaOO1Crz3fjT/p8kT28zA/Caz7oiUMn3d6H2yOVCVwuw==}
     engines: {node: ^20.19.0 || ^22.13.0 || >=23.5.0}
@@ -1264,6 +1535,144 @@ packages:
     resolution: {integrity: sha512-UyKIm0wTPw5BcY7Z2PkbK1Ma260um96LSBWXHrdSMe+ZV0EPMyDfAcUcjjm3qEiGST9OK/1TriekdPCZkn4Q3A==}
     engines: {node: '>=18.17.0', npm: '>=9.5.0'}
 
+  '@rollup/rollup-android-arm-eabi@4.62.4':
+    resolution: {integrity: sha512-RrPokAb7dmbxFoeO3TloqHyOjgye8RkBhSqmp4aJMIex4c9r46ZstPnleDQOq1t46VOVjwIuwNogIqbodV1Vvg==}
+    cpu: [arm]
+    os: [android]
+
+  '@rollup/rollup-android-arm64@4.62.4':
+    resolution: {integrity: sha512-JKuJc+pnpks2pjy7L/N3v/cAkZxYlnmuZoD840ldbMI5KDbC4iO9NKwPKYdjYFCMAIIlBzYSFHxIJVYzRo2/8A==}
+    cpu: [arm64]
+    os: [android]
+
+  '@rollup/rollup-darwin-arm64@4.62.4':
+    resolution: {integrity: sha512-krw5uS2STmvJ02x0uTXHbqQNuz+9eZ1iw+qXk9dmW2gvV4jV7O2hEoOnuhFrpOPiel1mBFtqbxYZZtC46hXLOw==}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@rollup/rollup-darwin-x64@4.62.4':
+    resolution: {integrity: sha512-wsTxtgApb4PrOsNJIm0FZ1h3WvCC+k9uxLJ4ad75hgoS4NiRes2SoJFlDAyMwiUY8IssDqGcHbXuN0sx1tfF1A==}
+    cpu: [x64]
+    os: [darwin]
+
+  '@rollup/rollup-freebsd-arm64@4.62.4':
+    resolution: {integrity: sha512-GUOnQlyZe3yAXhWOtOMsn5Qkrv5E5mZXa0thbARWi5Ei2szlVXJFQhddZ4HbAzh8q92w5twp+CQvs/eFanz9YQ==}
+    cpu: [arm64]
+    os: [freebsd]
+
+  '@rollup/rollup-freebsd-x64@4.62.4':
+    resolution: {integrity: sha512-/Y7f3QuxjzPKsjA/rfEDa3+0vXqyjmJ50Ln8dPpCmWkKTrUoWHG1cWhTqaAMLob2m2nESWuC7yGrREz019Ztqg==}
+    cpu: [x64]
+    os: [freebsd]
+
+  '@rollup/rollup-linux-arm-gnueabihf@4.62.4':
+    resolution: {integrity: sha512-81wiiX3v7aqy+T+bT61TJ78yJjRquqFFTTbAPt08imfQQzkPIW8t6aJbkTagtCCrXMNc9D66+geqlK7ydLPNqA==}
+    cpu: [arm]
+    os: [linux]
+    libc: [glibc]
+
+  '@rollup/rollup-linux-arm-musleabihf@4.62.4':
+    resolution: {integrity: sha512-9kmDIvNZqdoHOBZgNtpTBeLWYO/LVipM3H/j62P8848/l/VPEQL6N3uxU9pvP1oZAsXyC2MEnFP3ovRjo7WYNQ==}
+    cpu: [arm]
+    os: [linux]
+    libc: [musl]
+
+  '@rollup/rollup-linux-arm64-gnu@4.62.4':
+    resolution: {integrity: sha512-CcnXHWnXg69g+DX5VWL3FHts3qMRN2uVEHX+BZvGLdd07/gXkn3ePjYtO1LDJvxkGKVHMclKBRa1QUTH+6toYQ==}
+    cpu: [arm64]
+    os: [linux]
+    libc: [glibc]
+
+  '@rollup/rollup-linux-arm64-musl@4.62.4':
+    resolution: {integrity: sha512-iFOibiHnTRuhrWLlRsOQFdZJJIa7S8OwkneJr4ocALP16u5yk6lWLINFwhHaEqBFMsKDUZofLkGos7+CPzGB3g==}
+    cpu: [arm64]
+    os: [linux]
+    libc: [musl]
+
+  '@rollup/rollup-linux-loong64-gnu@4.62.4':
+    resolution: {integrity: sha512-XnWYMI7euHlb5a871xPja+Gm7DRCFU+FGRrtS2sMq9N8FvqtpagUy6gD4YOemC5MRk9xbh8+jYMEJbigFQwsgA==}
+    cpu: [loong64]
+    os: [linux]
+    libc: [glibc]
+
+  '@rollup/rollup-linux-loong64-musl@4.62.4':
+    resolution: {integrity: sha512-qGDAlO0U8xedCcsdRm9oaoQY8DAx/QT7uIxJWhCdx0ceIWX783UC9QSYkdpzAe29wNiVfp24+bZdQmn49o45SQ==}
+    cpu: [loong64]
+    os: [linux]
+    libc: [musl]
+
+  '@rollup/rollup-linux-ppc64-gnu@4.62.4':
+    resolution: {integrity: sha512-ru4H6ezD7ysA5EiEK6qkkaEb4modH8CTej6kUy/gQi20u3kB3G7Zn8snXXkeJSCOFKG/rbPPtM/+9Wgas1961w==}
+    cpu: [ppc64]
+    os: [linux]
+    libc: [glibc]
+
+  '@rollup/rollup-linux-ppc64-musl@4.62.4':
+    resolution: {integrity: sha512-2W4MO5WQVJnbJaZdvDb9rhBDuFU1nKIepPFpJUBsTh2k1YY2g+ODViaWuyOAjQ5cOP7NvrvLzt3wvHOoiAvc7w==}
+    cpu: [ppc64]
+    os: [linux]
+    libc: [musl]
+
+  '@rollup/rollup-linux-riscv64-gnu@4.62.4':
+    resolution: {integrity: sha512-+fxjfuoAmVMCYV5QyjoIpu0cp5DOiOTeqYFk1AVaxGr+/ravWLX89XfQmptsoWcaVy/TGf2hexzbUOrCQIL1CQ==}
+    cpu: [riscv64]
+    os: [linux]
+    libc: [glibc]
+
+  '@rollup/rollup-linux-riscv64-musl@4.62.4':
+    resolution: {integrity: sha512-jTn8JfHGL4djjFxPuM06LmNUJDsst2jeVlsd9OmIH6zc5sC9K6rIuO4YajXatLUpBmBKl6b35ro1QZocLi+tcA==}
+    cpu: [riscv64]
+    os: [linux]
+    libc: [musl]
+
+  '@rollup/rollup-linux-s390x-gnu@4.62.4':
+    resolution: {integrity: sha512-oCJCJL4pXsoDcP2QZ+JVlPTIRc6266zsIaeJJsWImmF7HO0W8nb6HuSgZlMWxJwaPf8ehbSw8yo0EUw925hKsA==}
+    cpu: [s390x]
+    os: [linux]
+    libc: [glibc]
+
+  '@rollup/rollup-linux-x64-gnu@4.62.4':
+    resolution: {integrity: sha512-W69hukhZ3KKNRCaMIEzKvcFye42hh0FE1+YoYaf5+Ikacuftoco6yO/xouz0hc5d5W/s3yBro5jRiuEE/Q5vUw==}
+    cpu: [x64]
+    os: [linux]
+    libc: [glibc]
+
+  '@rollup/rollup-linux-x64-musl@4.62.4':
+    resolution: {integrity: sha512-qiXbGG2jkjXhzXpsFZSR2Xpb8DN/UaxYsbb/STbuR/6fpaDgRmmaq1B/LmtF2wQFOFOSsK2jdE0RZ3a0zHn4QA==}
+    cpu: [x64]
+    os: [linux]
+    libc: [musl]
+
+  '@rollup/rollup-openbsd-x64@4.62.4':
+    resolution: {integrity: sha512-nWeM//hxv8mIo6jD7Hu4o48DVmV9pbV6gsKaWU+4NFyqHoPKwrkRiZGLKUhOBk8qNmDmpwFtPKg80Bo/Tn4xiQ==}
+    cpu: [x64]
+    os: [openbsd]
+
+  '@rollup/rollup-openharmony-arm64@4.62.4':
+    resolution: {integrity: sha512-s62SQ/vgsRSvMwDkOEfTqfgASF0f26ZNaQuTA6Aok5lrikf89yI2W0gFHvZb2Jpgc6N8JnOKZgCK2iciO3CsxQ==}
+    cpu: [arm64]
+    os: [openharmony]
+
+  '@rollup/rollup-win32-arm64-msvc@4.62.4':
+    resolution: {integrity: sha512-J6wGf8TVGbXJq+HH+ttTvrcfNKPbuZecV6KT1B8I18BC5IURUh5kl4Yl5OEP5eFIUoI5BWxCsyYMhFsDx8kekw==}
+    cpu: [arm64]
+    os: [win32]
+
+  '@rollup/rollup-win32-ia32-msvc@4.62.4':
+    resolution: {integrity: sha512-zmfrQd/0wu6oJs8Vq8KwY/YtsKSsLtKe/HwAP4Wqy8LhWjeT55fHRAkOhYQ12wI3ayS4Tt12d5CDRD7N96SAYQ==}
+    cpu: [ia32]
+    os: [win32]
+
+  '@rollup/rollup-win32-x64-gnu@4.62.4':
+    resolution: {integrity: sha512-qPzHqdj9rfUD+w79dtE07zi/kFwKyCJqplp5K5ygeLTp7jLpAoc16OAH39HSmRC9UpozaecsleI8uAdEj6v2yw==}
+    cpu: [x64]
+    os: [win32]
+
+  '@rollup/rollup-win32-x64-msvc@4.62.4':
+    resolution: {integrity: sha512-zD6NdeWEByGE9QF9vCrlJ5YQB4oq9q91kPZS37Jwj5hOkvR1lTBSpsKhKDw4IJtbQ35LsTS1HD9DZYGKIshU1Q==}
+    cpu: [x64]
+    os: [win32]
+
   '@scure/base@1.2.6':
     resolution: {integrity: sha512-g/nm5FgUa//MCj1gV09zTJTaM6KBAHqLN907YVQqf7zC49+DcO4B1so4ZX07Ef10Twr6nuqYEH9GEggFXA4Fmg==}
 
@@ -1273,6 +1682,9 @@ packages:
   '@scure/bip39@1.6.0':
     resolution: {integrity: sha512-+lF0BbLiJNwVlev4eKelw1WWLaiKXw7sSl8T6FvBlWkdX+94aGJ4o8XjUdlyhTCjd8c+B3KT3JfS8P0bLRNU6A==}
 
+  '@sec-ant/readable-stream@0.4.1':
+    resolution: {integrity: sha512-831qok9r2t8AlxLko40y2ebgSDhenenCatLVeW/uBtnHPyhHOvG0C7TvfgecV+wHzIm5KUICgzmVpWS+IMEAeg==}
+
   '@shikijs/engine-oniguruma@3.23.0':
     resolution: {integrity: sha512-1nWINwKXxKKLqPibT5f4pAFLej9oZzQTsby8942OTlsJzOBZ0MWKiwzMsd+jhzu8YPCHAswGnnN1YtQfirL35g==}
 
@@ -1288,6 +1700,10 @@ packages:
   '@shikijs/vscode-textmate@10.0.2':
     resolution: {integrity: sha512-83yeghZ2xxin3Nj8z1NMd/NCuca+gsYXswywDy5bHvwlWL8tpTQmzGeUuHd9FC3E/SBEMvzJRwWEOz5gGes9Qg==}
 
+  '@sindresorhus/merge-streams@4.0.0':
+    resolution: {integrity: sha512-tlqY9xq5ukxTUZBmoOp+m61cqwQD5pHJtFY3Mn8CA8ps6yghLH/Hw8UPdqg4OLmFW3IFlcXnQNmo/dh8HzXYIQ==}
+    engines: {node: '>=18'}
+
   '@smithy/core@3.31.1':
     resolution: {integrity: sha512-CyogUINxvi7C7LDsh8Syo6hVJOT9ckz4rG8dRZfTJ8r91HkMY59PnNooaj7WcHyxEkxPfBAmbgztZU+xTo76lg==}
     engines: {node: '>=18.0.0'}
@@ -1312,6 +1728,9 @@ packages:
     resolution: {integrity: sha512-0JFs3V2y2M9tKW5na/qxe69Zv+uxLMO7QBbhxF/FHu/Gp2NFZAAL9tWl9PU02xxo07pb3G9FTyjNc6D5uZrJIg==}
     engines: {node: '>=18.0.0'}
 
+  '@standard-schema/spec@1.1.0':
+    resolution: {integrity: sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==}
+
   '@swc/helpers@0.5.23':
     resolution: {integrity: sha512-5lSsMOTXURePglDfvuAQUqkGek9Hg2kksOYay2m0+XR++b2NWYL/4sWyuvVBIs8oKnJaxkdi9whaL/sqN13afw==}
 
@@ -1350,8 +1769,14 @@ packages:
   '@tybys/wasm-util@0.10.3':
     resolution: {integrity: sha512-F3fo1MYrRJYL3zER0OUOmkutjr1Vp23m7OsSgp7nq4SP6OqX6C/56XFIPAl5bt3zaBRjmW7SGz3u/6LwFpYcOg==}
 
-  '@types/bun@1.3.13':
-    resolution: {integrity: sha512-9fqXWk5YIHGGnUau9TEi+qdlTYDAnOj+xLCmSTwXfAIqXr2x4tytJb43E9uCvt09zJURKXwAtkoH4nLQfzeTXw==}
+  '@types/chai@5.2.3':
+    resolution: {integrity: sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==}
+
+  '@types/deep-eql@4.0.2':
+    resolution: {integrity: sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==}
+
+  '@types/estree@1.0.9':
+    resolution: {integrity: sha512-GhdPgy1el4/ImP05X05Uw4cw2/M93BCUmnEvWZNStlCzEKME4Fkk+YpoA5OiHNQmoS7Cafb8Xa3Pya8m1Qrzeg==}
 
   '@types/hast@3.0.5':
     resolution: {integrity: sha512-rp/ezSWaD1m44dPKICGhiskI13nVr7qTloFwDa/IYkhhf5nzwP+zIQcIJh3WIFSBOy/H1PzB40jPjMDksN4F+g==}
@@ -1362,8 +1787,8 @@ packages:
   '@types/lodash@4.17.25':
     resolution: {integrity: sha512-+K1NIO8I+F9/wNulfVvu23QYd0Pe9/OCqRrim4NoYIf1VoEDL90Ve4ClzpyqBLc7NpGGWRvYNCKZ1BE/Jpf8dQ==}
 
-  '@types/node@25.8.0':
-    resolution: {integrity: sha512-TCFSk8IZh+iLX1xtksoBVtdmgL+1IX0fC9BeU4QqFSuNdN/K+HUlhqOzEmSYYpZUVsLYcPqc9KX+60iDuninSQ==}
+  '@types/node@24.7.0':
+    resolution: {integrity: sha512-IbKooQVqUBrlzWTi79E8Fw78l8k1RNtlDDNWsFZs7XonuQSJ8oNYfEeclhprUldXISRMLzBpILuKgPlIxm+/Yw==}
 
   '@types/react-dom@19.2.4':
     resolution: {integrity: sha512-Bsc+QHgp+P/F02XDzNCY9jnZNCUuLki36KT7VKrTXXLdHf+vHMNZnW1rVu5DNW/rCK+fya3DATySbLM4yhtKUw==}
@@ -1376,6 +1801,35 @@ packages:
   '@types/unist@3.0.3':
     resolution: {integrity: sha512-ko/gIFJRv177XgZsZcBwnqJN5x/Gien8qNOn0D5bQU/zAzVf9Zt3BlcUiLqhV9y4ARk0GbT3tnUiPNgnTXzc/Q==}
 
+  '@vitest/expect@4.1.2':
+    resolution: {integrity: sha512-gbu+7B0YgUJ2nkdsRJrFFW6X7NTP44WlhiclHniUhxADQJH5Szt9mZ9hWnJPJ8YwOK5zUOSSlSvyzRf0u1DSBQ==}
+
+  '@vitest/mocker@4.1.2':
+    resolution: {integrity: sha512-Ize4iQtEALHDttPRCmN+FKqOl2vxTiNUhzobQFFt/BM1lRUTG7zRCLOykG/6Vo4E4hnUdfVLo5/eqKPukcWW7Q==}
+    peerDependencies:
+      msw: ^2.4.9
+      vite: ^6.0.0 || ^7.0.0 || ^8.0.0
+    peerDependenciesMeta:
+      msw:
+        optional: true
+      vite:
+        optional: true
+
+  '@vitest/pretty-format@4.1.2':
+    resolution: {integrity: sha512-dwQga8aejqeuB+TvXCMzSQemvV9hNEtDDpgUKDzOmNQayl2OG241PSWeJwKRH3CiC+sESrmoFd49rfnq7T4RnA==}
+
+  '@vitest/runner@4.1.2':
+    resolution: {integrity: sha512-Gr+FQan34CdiYAwpGJmQG8PgkyFVmARK8/xSijia3eTFgVfpcpztWLuP6FttGNfPLJhaZVP/euvujeNYar36OQ==}
+
+  '@vitest/snapshot@4.1.2':
+    resolution: {integrity: sha512-g7yfUmxYS4mNxk31qbOYsSt2F4m1E02LFqO53Xpzg3zKMhLAPZAjjfyl9e6z7HrW6LvUdTwAQR3HHfLjpko16A==}
+
+  '@vitest/spy@4.1.2':
+    resolution: {integrity: sha512-DU4fBnbVCJGNBwVA6xSToNXrkZNSiw59H8tcuUspVMsBDBST4nfvsPsEHDHGtWRRnqBERBQu7TrTKskmjqTXKA==}
+
+  '@vitest/utils@4.1.2':
+    resolution: {integrity: sha512-xw2/TiX82lQHA06cgbqRKFb5lCAy3axQ4H4SoUFhUsg+wztiet+co86IAMDtF6Vm1hc7J6j09oh/rgDn+JdKIQ==}
+
   abitype@1.2.3:
     resolution: {integrity: sha512-Ofer5QUnuUdTFsBRwARMoWKOH1ND5ehwYhJ3OJ/BQO+StkwQjHw0XyVh4vDttzHB7QOFhPHa/o413PJ82gU/Tg==}
     peerDependencies:
@@ -1414,6 +1868,10 @@ packages:
     resolution: {integrity: sha512-UOCGPYbl0tv8+006qks/dTgV9ajs97X2p0FAbyS2iyCRrmLSRolDaHdp+v/CLgnzHc3fVB+CwYiUmei7ndFcgA==}
     engines: {node: '>=12.0.0'}
 
+  assertion-error@2.0.1:
+    resolution: {integrity: sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==}
+    engines: {node: '>=12'}
+
   balanced-match@1.0.2:
     resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}
 
@@ -1435,8 +1893,9 @@ packages:
     resolution: {integrity: sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==}
     engines: {node: '>=8'}
 
-  bun-types@1.3.13:
-    resolution: {integrity: sha512-QXKeHLlOLqQX9LgYaHJfzdBaV21T63HhFJnvuRCcjZiaUDpbs5ED1MgxbMra71CsryN/1dAoXuJJJwIv/2drVA==}
+  chai@6.2.2:
+    resolution: {integrity: sha512-NUPRluOfOiTKBKvWPtSD4PhFvWCqOi0BGStNWs57X9js7XGTprSmFoz5F0tWhR4WPjNeR9jXqdC7/UpSJTnlRg==}
+    engines: {node: '>=18'}
 
   change-case@5.4.4:
     resolution: {integrity: sha512-HRQyTk2/YPEkt9TnUPbOpr64Uw3KOicFWPVBb+xiHvd6eBx/qPr9xqfBFDT8P2vWsvvz4jbEkfDe71W3VyNu2w==}
@@ -1466,6 +1925,13 @@ packages:
     resolution: {integrity: sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww==}
     engines: {node: '>= 12'}
 
+  convert-source-map@2.0.0:
+    resolution: {integrity: sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==}
+
+  cross-spawn@7.0.6:
+    resolution: {integrity: sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==}
+    engines: {node: '>= 8'}
+
   csstype@3.2.3:
     resolution: {integrity: sha512-z1HGKcYy2xA8AGQfwrn0PAy+PB7X/GSj3UVJW9qKyn43xWa+gl5nXmU4qqLMRzWVLFC8KusUX8T/0kCiOYpAIQ==}
 
@@ -1498,11 +1964,22 @@ packages:
     resolution: {integrity: sha512-xUtoPkMggbz0MPyPiIWr1Kp4aeWJjDZ6SMvURhimjdZgsRuDplF5/s9hcgGhyXMhs+6vpnuoiZ2kFiu3FMnS8Q==}
     engines: {node: '>=18'}
 
-  esbuild@0.25.12:
-    resolution: {integrity: sha512-bbPBYYrtZbkt6Os6FiTLCTFxvq4tt3JKall1vRwshA3fdVztsLAatFaZobhkBC8/BrPetoa0oksYoKXoG4ryJg==}
+  es-module-lexer@2.1.0:
+    resolution: {integrity: sha512-n27zTYMjYu1aj4MjCWzSP7G9r75utsaoc8m61weK+W8JMBGGQybd43GstCXZ3WNmSFtGT9wi59qQTW6mhTR5LQ==}
+
+  esbuild@0.27.7:
+    resolution: {integrity: sha512-IxpibTjyVnmrIQo5aqNpCgoACA/dTKLTlhMHihVHhdkxKyPO1uBBthumT0rdHmcsk9uMonIWS0m4FljWzILh3w==}
     engines: {node: '>=18'}
     hasBin: true
 
+  esbuild@0.28.1:
+    resolution: {integrity: sha512-HrJrvZv5ayxBzPfwphOoNzkzOIIlifzk0KJrGK2c8R4+LKpMtpYLQeUdjnwjWv/LZlkH2laZk+4w78pi99D4Vw==}
+    engines: {node: '>=18'}
+    hasBin: true
+
+  estree-walker@3.0.3:
+    resolution: {integrity: sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==}
+
   ethereum-cryptography@3.2.0:
     resolution: {integrity: sha512-Urr5YVsalH+Jo0sYkTkv1MyI9bLYZwW8BENZCeE1QYaTHETEYx0Nv/SVsWkSqpYrzweg6d8KMY1wTjH/1m/BIg==}
     engines: {node: ^14.21.3 || >=16, npm: '>=9'}
@@ -1517,12 +1994,20 @@ packages:
     resolution: {integrity: sha512-rMFIq/xfsNpR1JGkXPnLP1iXLBCtVr1N4tErzdEcKJoqREpKOZswCwNSljN/Sf1QZjv+KGCamh4E4FQcVaJekA==}
     engines: {node: '>=12.0'}
 
+  execa@9.6.0:
+    resolution: {integrity: sha512-jpWzZ1ZhwUmeWRhS7Qv3mhpOhLfwI+uAX4e5fOcXqwMR7EcJ0pj2kV1CVzHVMX/LphnKWD3LObjZCoJ71lKpHw==}
+    engines: {node: ^18.19.0 || >=20.5.0}
+
   executooor-viem@1.3.3:
     resolution: {integrity: sha512-8npMgRIDerwxeyWonqsTSrw28CIU4EDUz2JSXRz5hEIF6pxNbRls6uS2wR2lf74J2fxAgtF6+Ltin5/bMlFiyw==}
     peerDependencies:
       evm-maths: ^7.0.0
       viem: ^2.0.0
 
+  expect-type@1.4.0:
+    resolution: {integrity: sha512-KfYbmpRm0VbLjEvVa9yGwCi9GI34xvi7A/HXYWQO65CSD2u3MczUJSuwXKFIxlGsgBQizV9q5J9NHj4VG0n+pA==}
+    engines: {node: '>=12.0.0'}
+
   fast-deep-equal@3.1.3:
     resolution: {integrity: sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==}
 
@@ -1536,6 +2021,19 @@ packages:
   fd-package-json@2.0.0:
     resolution: {integrity: sha512-jKmm9YtsNXN789RS/0mSzOC1NUq9mkVd65vbSSVsKdjGvYXBuE4oWe2QOEoFeRmJg+lPuZxpmrfFclNhoRMneQ==}
 
+  fdir@6.5.0:
+    resolution: {integrity: sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==}
+    engines: {node: '>=12.0.0'}
+    peerDependencies:
+      picomatch: ^3 || ^4
+    peerDependenciesMeta:
+      picomatch:
+        optional: true
+
+  figures@6.1.0:
+    resolution: {integrity: sha512-d+l3qxjSesT4V7v2fh+QnmFnUWv9lSpjarhShNTgBOfA0ttejbQUAlHLitbjkoRiDulW0OPoQPYIGhIC8ohejg==}
+    engines: {node: '>=18'}
+
   fill-range@7.1.1:
     resolution: {integrity: sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==}
     engines: {node: '>=8'}
@@ -1554,10 +2052,22 @@ packages:
     engines: {node: '>=18.3.0'}
     hasBin: true
 
+  fsevents@2.3.3:
+    resolution: {integrity: sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==}
+    engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
+    os: [darwin]
+
   get-east-asian-width@1.6.0:
     resolution: {integrity: sha512-QRbvDIbx6YklUe6RxeTeleMR0yv3cYH6PsPZHcnVn7xv7zO1BHN8r0XETu8n6Ye3Q+ahtSarc3WgtNWmehIBfA==}
     engines: {node: '>=18'}
 
+  get-stream@9.0.1:
+    resolution: {integrity: sha512-kVCxPF3vQM/N0B1PmoqVUqgHP+EeVjmZSQn+1oCRPxd2P21P2F19lIgbR3HBosbB1PUhOAoctJnfEn2GbN2eZA==}
+    engines: {node: '>=18'}
+
+  get-tsconfig@4.14.0:
+    resolution: {integrity: sha512-yTb+8DXzDREzgvYmh6s9vHsSVCHeC0G3PI5bEXNBHtmshPnO+S5O7qgLEOn0I5QvMy6kpZN8K1NKGyilLb93wA==}
+
   glob-parent@5.1.2:
     resolution: {integrity: sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==}
     engines: {node: '>= 6'}
@@ -1566,6 +2076,10 @@ packages:
     resolution: {integrity: sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw==}
     engines: {node: '>= 14'}
 
+  human-signals@8.0.1:
+    resolution: {integrity: sha512-eKCa6bwnJhvxj14kZk5NCPc6Hb6BdsU9DZcOnmQKSnO1VKrfV0zCvtttPZUsBvjmNDn8rpcJfpwSYnHBjc95MQ==}
+    engines: {node: '>=18.18.0'}
+
   husky@9.1.7:
     resolution: {integrity: sha512-5gs5ytaNjBrh5Ow3zrvdUUY+0VxIuWVL4i9irt6friV+BqdCfmV11CQTWMiBYWHbXhco+J1kHfTOUkePhCDvMA==}
     engines: {node: '>=18'}
@@ -1591,6 +2105,21 @@ packages:
     resolution: {integrity: sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==}
     engines: {node: '>=0.12.0'}
 
+  is-plain-obj@4.1.0:
+    resolution: {integrity: sha512-+Pgi+vMuUNkJyExiMBt5IlFoMyKnr5zhJ4Uspz58WOhBF5QoIZkFyNHIbBAtHwzVAgk5RtndVNsDRN61/mmDqg==}
+    engines: {node: '>=12'}
+
+  is-stream@4.0.1:
+    resolution: {integrity: sha512-Dnz92NInDqYckGEUJv689RbRiTSEHCQ7wOVeALbkOz999YpqT46yMRIGtSNl2iCL1waAZSx40+h59NV/EwzV/A==}
+    engines: {node: '>=18'}
+
+  is-unicode-supported@2.1.0:
+    resolution: {integrity: sha512-mE00Gnza5EEB3Ds0HfMyllZzbBrmLOX3vfWoj9A9PEnTfratQ/BcaJOuMhnkhjXvb2+FkY3VuHqtAGpTPmglFQ==}
+    engines: {node: '>=18'}
+
+  isexe@2.0.0:
+    resolution: {integrity: sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==}
+
   isows@1.0.7:
     resolution: {integrity: sha512-I1fSfDCZL5P0v33sVqeTDSpcstAg/N+wF5HS033mogOVIp4B+oHC7oOCsA3axAbBSGTJ8QubbNmnIRN/h8U7hg==}
     peerDependencies:
@@ -1654,6 +2183,9 @@ packages:
   lunr@2.3.9:
     resolution: {integrity: sha512-zTU3DaZaF3Rt9rhN3uBMGQD3dD2/vFQqnvZCDv4dl5iOzq2IZQqTxu90r4E5J+nP70J3ilqVCrbho2eWaeW8Ow==}
 
+  magic-string@0.30.21:
+    resolution: {integrity: sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==}
+
   markdown-it@14.3.0:
     resolution: {integrity: sha512-RCEsPjR+sr0x+AuYp601tKTkgFG4YEPLCzHST3cQ/fhlJkqAkz1L2/Qbp1j9qw5SBwQHFBoW8+hoN5xssOF0Tw==}
     hasBin: true
@@ -1691,6 +2223,19 @@ packages:
   ms@2.1.3:
     resolution: {integrity: sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==}
 
+  nanoid@3.3.16:
+    resolution: {integrity: sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==}
+    engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
+    hasBin: true
+
+  npm-run-path@6.0.0:
+    resolution: {integrity: sha512-9qny7Z9DsQU8Ou39ERsPU4OZQlSTP47ShQzuKZ6PRXpYLtIFgl/DEBYEXKlvcEa+9tHVcK8CF81Y2V72qaZhWA==}
+    engines: {node: '>=18'}
+
+  obug@2.1.4:
+    resolution: {integrity: sha512-4a+OsYv9UktOJKE+l1A4OufDgdRF9PifWj+tJnHURo/P+WOxpG4GzUFL9qCalmWauao6ogiG+QvnCovwPoyAWA==}
+    engines: {node: '>=12.20.0'}
+
   onetime@7.0.0:
     resolution: {integrity: sha512-VXJjc87FScF88uafS3JllDgvAm+c/Slfz06lorj2uAY34rlUu0Nt+v8wreiImcrgAjjIHp1rXpTDlLOGw29WwQ==}
     engines: {node: '>=18'}
@@ -1745,6 +2290,21 @@ packages:
     resolution: {integrity: sha512-ybiGyvspI+fAoRQbIPRddCcSTV9/LsJbf0e/S85VLowVGzRmokfneg2kwVW/KU5rOXrPSbF1qAKPMgNTqqROQQ==}
     engines: {node: '>=18'}
 
+  parse-ms@4.0.0:
+    resolution: {integrity: sha512-TXfryirbmq34y8QBwgqCVLi+8oA3oWx2eAnSn62ITyEhEYaWRlVZ2DvMM9eZbMs/RfxPu/PK/aBLyGj4IrqMHw==}
+    engines: {node: '>=18'}
+
+  path-key@3.1.1:
+    resolution: {integrity: sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==}
+    engines: {node: '>=8'}
+
+  path-key@4.0.0:
+    resolution: {integrity: sha512-haREypq7xkM7ErfgIyA0z+Bj4AGKlMSdlQE2jvJo6huWD1EdkKYV+G/T4nq0YEF2vgTT8kqMFKo1uHn950r4SQ==}
+    engines: {node: '>=12'}
+
+  pathe@2.0.3:
+    resolution: {integrity: sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==}
+
   picocolors@1.1.1:
     resolution: {integrity: sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==}
 
@@ -1760,6 +2320,14 @@ packages:
     resolution: {integrity: sha512-Nc3IT5yHzflTfbjgqWcCPpo7DaKy4FnpB0l/zCAW0Tc7jxAiuqSxHasntB3D7887LSrA93kDJ9IXovxJYxyLCA==}
     engines: {node: '>=4'}
 
+  postcss@8.5.25:
+    resolution: {integrity: sha512-DTPx3RWSSnWyzLxQnlH0rJP+EW5ekl16ZU4/psbIhA0e53kJfdgaN5vKM+xP7yJtXVu+nfdVFmlgFDEKAe4Pyw==}
+    engines: {node: ^10 || ^12 || >=14}
+
+  pretty-ms@9.3.0:
+    resolution: {integrity: sha512-gjVS5hOP+M3wMm5nmNOucbIrqudzs9v/57bWRHQWLYklXqoXKrVfYW2W9+glfGsqtPgpiz5WwyEEB+ksXIx3gQ==}
+    engines: {node: '>=18'}
+
   punycode.js@2.3.1:
     resolution: {integrity: sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==}
     engines: {node: '>=6'}
@@ -1787,6 +2355,9 @@ packages:
     resolution: {integrity: sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==}
     engines: {node: '>=0.10.0'}
 
+  resolve-pkg-maps@1.0.0:
+    resolution: {integrity: sha512-seS2Tj26TBVOC2NIc2rOe2y2ZO7efxITtLZcGSOnHHNOQ7CkiUBfw0Iw2ck6xkIhPwLhKNLS8BO+hEpngQlqzw==}
+
   restore-cursor@5.1.0:
     resolution: {integrity: sha512-oMA2dcrw6u0YfxJQXm342bFKX/E4sG9rbTzO9ptUcR/e8A33cHuvStiYOwH7fszkZlZ1z/ta9AAoPk2F4qIOHA==}
     engines: {node: '>=18'}
@@ -1798,6 +2369,11 @@ packages:
   rfdc@1.4.1:
     resolution: {integrity: sha512-q1b3N5QkRUWUl7iyylaaj3kOpIT0N2i9MqIEQXP73GVsN9cw3fdx8X63cEmWhJGi2PPCF23Ijp7ktmd39rawIA==}
 
+  rollup@4.62.4:
+    resolution: {integrity: sha512-RXOqwaPsBGjMNMa4sQjDjHieHEZDFoj/Rdr46l2MU5DfEs16wHJPC2RPTPHWhNl+M3aI472LLqFkFKut4SblOg==}
+    engines: {node: '>=18.0.0', npm: '>=8.0.0'}
+    hasBin: true
+
   run-parallel@1.2.0:
     resolution: {integrity: sha512-5l4VyZR86LZ/lDxZTR6jqL8AFE2S0IFLMP26AbjsLVADxHdhB/c0GUsH+y39UfCi3dzz8OlQuPmnaJOMoDHQBA==}
 
@@ -1808,6 +2384,17 @@ packages:
     resolution: {integrity: sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==}
     hasBin: true
 
+  shebang-command@2.0.0:
+    resolution: {integrity: sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==}
+    engines: {node: '>=8'}
+
+  shebang-regex@3.0.0:
+    resolution: {integrity: sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==}
+    engines: {node: '>=8'}
+
+  siginfo@2.0.0:
+    resolution: {integrity: sha512-ybx0WO1/8bSBLEWXZvEd7gMW3Sn3JFlW3TvX1nREbDLRNQNaeNN8WK0meBwPdAaOI7TtRRRJn/Es1zhrrCHu7g==}
+
   signal-exit@4.1.0:
     resolution: {integrity: sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==}
     engines: {node: '>=14'}
@@ -1840,6 +2427,16 @@ packages:
       typescript:
         optional: true
 
+  source-map-js@1.2.1:
+    resolution: {integrity: sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==}
+    engines: {node: '>=0.10.0'}
+
+  stackback@0.0.2:
+    resolution: {integrity: sha512-1XMJE5fQo1jGH6Y/7ebnwPOBEkIEnT4QF32d5R1+VXdXveM0IBMJt8zfaxX1P3QhVwrYe+576+jkANtSS2mBbw==}
+
+  std-env@4.2.0:
+    resolution: {integrity: sha512-oCUKSupKTHX53EyjDtuZQ64pjLJ6yYCtpmEw0goYxtjG9KpbRe8KAsl2tBUGU9DyMcJ0RwJ8GqJAFzMXcXW1Rw==}
+
   string-argv@0.3.2:
     resolution: {integrity: sha512-aqD2Q0144Z+/RqG52NeHEkZauTAUWJO8c6yTftGJKO3Tja5tUgIfmIl6kExvhtxSDP7fXB6DvzkfMpCd/F3G+Q==}
     engines: {node: '>=0.6.19'}
@@ -1856,6 +2453,10 @@ packages:
     resolution: {integrity: sha512-yDPMNjp4WyfYBkHnjIRLfca1i6KMyGCtsVgoKe/z1+6vukgaENdgGBZt+ZmKPc4gavvEZ5OgHfHdrazhgNyG7w==}
     engines: {node: '>=12'}
 
+  strip-final-newline@4.0.0:
+    resolution: {integrity: sha512-aulFJcD6YK8V1G7iRB5tigAP4TsHBZZrOV8pjV++zdUwmeV8uzbY7yn6h9MswN62adStNZFuCIx4haBnRuMDaw==}
+    engines: {node: '>=18'}
+
   strip-json-comments@5.0.3:
     resolution: {integrity: sha512-1tB5mhVo7U+ETBKNf92xT4hrQa3pm0MZ0PQvuDnWgAAGHDsfp4lPSpiS6psrSiet87wyGPh9ft6wmhOMQ0hDiw==}
     engines: {node: '>=14.16'}
@@ -1864,14 +2465,25 @@ packages:
     resolution: {integrity: sha512-SS+jx45GF1QjgEXQx4NJZV9ImqmO2NPz5FNsIHrsDjh2YsHnawpan7SNQ1o8NuhrbHZy9AZhIoCUiCeaW/C80g==}
     engines: {node: '>=18'}
 
+  tinybench@2.9.0:
+    resolution: {integrity: sha512-0+DUvqWMValLmha6lr4kD8iAMK1HzV0/aKnCtWb9v9641TnP/MFb7Pc2bxoxQjTXAErryXVgUOfv2YqNllqGeg==}
+
   tinyexec@1.3.0:
     resolution: {integrity: sha512-QKAl9m8gWWGHV8jZcPeym6j+XULi6tOf1mT83WYJ4Lk2ytW/uwAWkrP0uFsdoYMdueVJ0qs26wZ+23xeB4ibNQ==}
     engines: {node: '>=18'}
 
+  tinyglobby@0.2.17:
+    resolution: {integrity: sha512-wXR/dYpcqKmfWpEdZjiKJOwCNFndD0DMnrW/cYjVGttEkBfVgcLFHoNrlj47mjOVic9yyNu65alsgF4NQyTa2g==}
+    engines: {node: '>=12.0.0'}
+
   tinypool@2.1.0:
     resolution: {integrity: sha512-Pugqs6M0m7Lv1I7FtxN4aoyToKg1C4tu+/381vH35y8oENM/Ai7f7C4StcoK4/+BSw9ebcS8jRiVrORFKCALLw==}
     engines: {node: ^20.0.0 || >=22.0.0}
 
+  tinyrainbow@3.1.1:
+    resolution: {integrity: sha512-yau8yJdTt989Mm0Bd/236QnzEiPf2xLLTqUZRUJOo/3CB078LSwzei343DgtJVmfJKJE3TMINY1u42SQsP6mXw==}
+    engines: {node: '>=14.0.0'}
+
   tmp@0.0.33:
     resolution: {integrity: sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==}
     engines: {node: '>=0.6.0'}
@@ -1883,6 +2495,11 @@ packages:
   tslib@2.8.1:
     resolution: {integrity: sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==}
 
+  tsx@4.21.0:
+    resolution: {integrity: sha512-5C1sg4USs1lfG0GFb2RLXsdpXqBSEhAaA/0kPL01wxzpMqLILNxIxIOKiILz+cdg/pLnOUxFYOR5yhHU666wbw==}
+    engines: {node: '>=18.0.0'}
+    hasBin: true
+
   type-fest@4.41.0:
     resolution: {integrity: sha512-TeTSQ6H5YHvpqVwBRcnLDCBnDOHWYu7IvGbHT6N8AOymcr9PJGjc1GTtiWZTYg0NCgYwvnYWEkVChQAr9bjfwA==}
     engines: {node: '>=16'}
@@ -1906,8 +2523,12 @@ packages:
     resolution: {integrity: sha512-X2wH19RAPZE3+ldGicOkoj/SIA83OIxcJ6Cuaw23hf8Xc6fQpvZXY0SftE2JgS0QhYLUG4uwodSI3R53keyh7w==}
     engines: {node: '>=14'}
 
-  undici-types@7.24.6:
-    resolution: {integrity: sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==}
+  undici-types@7.14.0:
+    resolution: {integrity: sha512-QQiYxHuyZ9gQUIrmPo3IA+hUl4KYk8uSA7cHrcKd/l3p1OTpZcM0Tbp9x7FAtXdAYhlasd60ncPpgu6ihG6TOA==}
+
+  unicorn-magic@0.3.0:
+    resolution: {integrity: sha512-+QBBXBCvifc56fsbuxZQ6Sic3wqqc3WWaqxs58gvJrcOuN83HGTCwz3oS5phzU9LthRNE9VrJCFCLUgHeeFnfA==}
+    engines: {node: '>=18'}
 
   unplugin@3.3.0:
     resolution: {integrity: sha512-qa66K+crbfyE6JK10GjvbJeRrOsuC/JpbnHctfyp/i4oBTxWOzJfRZyDiOk1PtErMFRu8JhsU/wPvOdBNWe5Rg==}
@@ -1970,6 +2591,81 @@ packages:
       typescript:
         optional: true
 
+  vite@7.3.6:
+    resolution: {integrity: sha512-4XP60spRGjSZFf1qYH+dJIkK2znL3zQfl9KkOV9MkkRR/3Dls0dxaBsQPTloEc5BLXWPL9vsOxopxyKoMmDueg==}
+    engines: {node: ^20.19.0 || >=22.12.0}
+    hasBin: true
+    peerDependencies:
+      '@types/node': ^20.19.0 || >=22.12.0
+      jiti: '>=1.21.0'
+      less: ^4.0.0
+      lightningcss: ^1.21.0
+      sass: ^1.70.0
+      sass-embedded: ^1.70.0
+      stylus: '>=0.54.8'
+      sugarss: ^5.0.0
+      terser: ^5.16.0
+      tsx: ^4.8.1
+      yaml: ^2.4.2
+    peerDependenciesMeta:
+      '@types/node':
+        optional: true
+      jiti:
+        optional: true
+      less:
+        optional: true
+      lightningcss:
+        optional: true
+      sass:
+        optional: true
+      sass-embedded:
+        optional: true
+      stylus:
+        optional: true
+      sugarss:
+        optional: true
+      terser:
+        optional: true
+      tsx:
+        optional: true
+      yaml:
+        optional: true
+
+  vitest@4.1.2:
+    resolution: {integrity: sha512-xjR1dMTVHlFLh98JE3i/f/WePqJsah4A0FK9cc8Ehp9Udk0AZk6ccpIZhh1qJ/yxVWRZ+Q54ocnD8TXmkhspGg==}
+    engines: {node: ^20.0.0 || ^22.0.0 || >=24.0.0}
+    hasBin: true
+    peerDependencies:
+      '@edge-runtime/vm': '*'
+      '@opentelemetry/api': ^1.9.0
+      '@types/node': ^20.0.0 || ^22.0.0 || >=24.0.0
+      '@vitest/browser-playwright': 4.1.2
+      '@vitest/browser-preview': 4.1.2
+      '@vitest/browser-webdriverio': 4.1.2
+      '@vitest/ui': 4.1.2
+      happy-dom: '*'
+      jsdom: '*'
+      vite: ^6.0.0 || ^7.0.0 || ^8.0.0
+    peerDependenciesMeta:
+      '@edge-runtime/vm':
+        optional: true
+      '@opentelemetry/api':
+        optional: true
+      '@types/node':
+        optional: true
+      '@vitest/browser-playwright':
+        optional: true
+      '@vitest/browser-preview':
+        optional: true
+      '@vitest/browser-webdriverio':
+        optional: true
+      '@vitest/ui':
+        optional: true
+      happy-dom:
+        optional: true
+      jsdom:
+        optional: true
+
   walk-up-path@4.0.0:
     resolution: {integrity: sha512-3hu+tD8YzSLGuFYtPRb48vdhKMi0KQV5sn+uWr8+7dMEq/2G/dtLrdDinkLjqq5TIbIBjYJ4Ax/n3YiaW7QM8A==}
     engines: {node: 20 || >=22}
@@ -1977,6 +2673,16 @@ packages:
   webpack-virtual-modules@0.6.2:
     resolution: {integrity: sha512-66/V2i5hQanC51vBQKPH4aI8NMAcBW59FVBs+rC7eGHupMyfn34q7rZIE+ETlJ+XTevqfUhVVBgSUNSW2flEUQ==}
 
+  which@2.0.2:
+    resolution: {integrity: sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==}
+    engines: {node: '>= 8'}
+    hasBin: true
+
+  why-is-node-running@2.3.0:
+    resolution: {integrity: sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==}
+    engines: {node: '>=8'}
+    hasBin: true
+
   wrap-ansi@9.0.2:
     resolution: {integrity: sha512-42AtmgqjV+X1VpdOfyTGOYRi0/zsoLqtXQckTmqTeybT+BDIbM/Guxo7x3pE2vtpr1ok6xRqM9OpBe+Jyoqyww==}
     engines: {node: '>=18'}
@@ -2010,6 +2716,10 @@ packages:
     resolution: {integrity: sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==}
     engines: {node: '>=12'}
 
+  yoctocolors@2.2.0:
+    resolution: {integrity: sha512-xYqdZFUK/VYazNl/oCDYN+3WloWQwMfZxBoiNt6qNyk+xfOdi598muWE42rNZFp1kNOiqW936q5RhUdnpqElSg==}
+    engines: {node: '>=18'}
+
   zod@3.25.76:
     resolution: {integrity: sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==}
 
@@ -2189,82 +2899,160 @@ snapshots:
       tslib: 2.8.1
     optional: true
 
-  '@esbuild/aix-ppc64@0.25.12':
+  '@esbuild/aix-ppc64@0.27.7':
+    optional: true
+
+  '@esbuild/aix-ppc64@0.28.1':
+    optional: true
+
+  '@esbuild/android-arm64@0.27.7':
+    optional: true
+
+  '@esbuild/android-arm64@0.28.1':
+    optional: true
+
+  '@esbuild/android-arm@0.27.7':
+    optional: true
+
+  '@esbuild/android-arm@0.28.1':
+    optional: true
+
+  '@esbuild/android-x64@0.27.7':
+    optional: true
+
+  '@esbuild/android-x64@0.28.1':
+    optional: true
+
+  '@esbuild/darwin-arm64@0.27.7':
+    optional: true
+
+  '@esbuild/darwin-arm64@0.28.1':
+    optional: true
+
+  '@esbuild/darwin-x64@0.27.7':
+    optional: true
+
+  '@esbuild/darwin-x64@0.28.1':
+    optional: true
+
+  '@esbuild/freebsd-arm64@0.27.7':
+    optional: true
+
+  '@esbuild/freebsd-arm64@0.28.1':
+    optional: true
+
+  '@esbuild/freebsd-x64@0.27.7':
+    optional: true
+
+  '@esbuild/freebsd-x64@0.28.1':
+    optional: true
+
+  '@esbuild/linux-arm64@0.27.7':
+    optional: true
+
+  '@esbuild/linux-arm64@0.28.1':
+    optional: true
+
+  '@esbuild/linux-arm@0.27.7':
+    optional: true
+
+  '@esbuild/linux-arm@0.28.1':
+    optional: true
+
+  '@esbuild/linux-ia32@0.27.7':
+    optional: true
+
+  '@esbuild/linux-ia32@0.28.1':
+    optional: true
+
+  '@esbuild/linux-loong64@0.27.7':
+    optional: true
+
+  '@esbuild/linux-loong64@0.28.1':
+    optional: true
+
+  '@esbuild/linux-mips64el@0.27.7':
+    optional: true
+
+  '@esbuild/linux-mips64el@0.28.1':
+    optional: true
+
+  '@esbuild/linux-ppc64@0.27.7':
     optional: true
 
-  '@esbuild/android-arm64@0.25.12':
+  '@esbuild/linux-ppc64@0.28.1':
     optional: true
 
-  '@esbuild/android-arm@0.25.12':
+  '@esbuild/linux-riscv64@0.27.7':
     optional: true
 
-  '@esbuild/android-x64@0.25.12':
+  '@esbuild/linux-riscv64@0.28.1':
     optional: true
 
-  '@esbuild/darwin-arm64@0.25.12':
+  '@esbuild/linux-s390x@0.27.7':
     optional: true
 
-  '@esbuild/darwin-x64@0.25.12':
+  '@esbuild/linux-s390x@0.28.1':
     optional: true
 
-  '@esbuild/freebsd-arm64@0.25.12':
+  '@esbuild/linux-x64@0.27.7':
     optional: true
 
-  '@esbuild/freebsd-x64@0.25.12':
+  '@esbuild/linux-x64@0.28.1':
     optional: true
 
-  '@esbuild/linux-arm64@0.25.12':
+  '@esbuild/netbsd-arm64@0.27.7':
     optional: true
 
-  '@esbuild/linux-arm@0.25.12':
+  '@esbuild/netbsd-arm64@0.28.1':
     optional: true
 
-  '@esbuild/linux-ia32@0.25.12':
+  '@esbuild/netbsd-x64@0.27.7':
     optional: true
 
-  '@esbuild/linux-loong64@0.25.12':
+  '@esbuild/netbsd-x64@0.28.1':
     optional: true
 
-  '@esbuild/linux-mips64el@0.25.12':
+  '@esbuild/openbsd-arm64@0.27.7':
     optional: true
 
-  '@esbuild/linux-ppc64@0.25.12':
+  '@esbuild/openbsd-arm64@0.28.1':
     optional: true
 
-  '@esbuild/linux-riscv64@0.25.12':
+  '@esbuild/openbsd-x64@0.27.7':
     optional: true
 
-  '@esbuild/linux-s390x@0.25.12':
+  '@esbuild/openbsd-x64@0.28.1':
     optional: true
 
-  '@esbuild/linux-x64@0.25.12':
+  '@esbuild/openharmony-arm64@0.27.7':
     optional: true
 
-  '@esbuild/netbsd-arm64@0.25.12':
+  '@esbuild/openharmony-arm64@0.28.1':
     optional: true
 
-  '@esbuild/netbsd-x64@0.25.12':
+  '@esbuild/sunos-x64@0.27.7':
     optional: true
 
-  '@esbuild/openbsd-arm64@0.25.12':
+  '@esbuild/sunos-x64@0.28.1':
     optional: true
 
-  '@esbuild/openbsd-x64@0.25.12':
+  '@esbuild/win32-arm64@0.27.7':
     optional: true
 
-  '@esbuild/openharmony-arm64@0.25.12':
+  '@esbuild/win32-arm64@0.28.1':
     optional: true
 
-  '@esbuild/sunos-x64@0.25.12':
+  '@esbuild/win32-ia32@0.27.7':
     optional: true
 
-  '@esbuild/win32-arm64@0.25.12':
+  '@esbuild/win32-ia32@0.28.1':
     optional: true
 
-  '@esbuild/win32-ia32@0.25.12':
+  '@esbuild/win32-x64@0.27.7':
     optional: true
 
-  '@esbuild/win32-x64@0.25.12':
+  '@esbuild/win32-x64@0.28.1':
     optional: true
 
   '@ethereumjs/rlp@10.1.2': {}
@@ -2382,6 +3170,9 @@ snapshots:
     transitivePeerDependencies:
       - typescript
 
+  '@napi-rs/lzma-linux-x64-gnu@1.5.1':
+    optional: true
+
   '@napi-rs/wasm-runtime@1.2.2(@emnapi/core@1.11.2)(@emnapi/runtime@1.11.2)':
     dependencies:
       '@emnapi/core': 1.11.2
@@ -2635,6 +3426,81 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  '@rollup/rollup-android-arm-eabi@4.62.4':
+    optional: true
+
+  '@rollup/rollup-android-arm64@4.62.4':
+    optional: true
+
+  '@rollup/rollup-darwin-arm64@4.62.4':
+    optional: true
+
+  '@rollup/rollup-darwin-x64@4.62.4':
+    optional: true
+
+  '@rollup/rollup-freebsd-arm64@4.62.4':
+    optional: true
+
+  '@rollup/rollup-freebsd-x64@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-arm-gnueabihf@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-arm-musleabihf@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-arm64-gnu@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-arm64-musl@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-loong64-gnu@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-loong64-musl@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-ppc64-gnu@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-ppc64-musl@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-riscv64-gnu@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-riscv64-musl@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-s390x-gnu@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-x64-gnu@4.62.4':
+    optional: true
+
+  '@rollup/rollup-linux-x64-musl@4.62.4':
+    optional: true
+
+  '@rollup/rollup-openbsd-x64@4.62.4':
+    optional: true
+
+  '@rollup/rollup-openharmony-arm64@4.62.4':
+    optional: true
+
+  '@rollup/rollup-win32-arm64-msvc@4.62.4':
+    optional: true
+
+  '@rollup/rollup-win32-ia32-msvc@4.62.4':
+    optional: true
+
+  '@rollup/rollup-win32-x64-gnu@4.62.4':
+    optional: true
+
+  '@rollup/rollup-win32-x64-msvc@4.62.4':
+    optional: true
+
   '@scure/base@1.2.6': {}
 
   '@scure/bip32@1.7.0':
@@ -2648,6 +3514,8 @@ snapshots:
       '@noble/hashes': 1.8.0
       '@scure/base': 1.2.6
 
+  '@sec-ant/readable-stream@0.4.1': {}
+
   '@shikijs/engine-oniguruma@3.23.0':
     dependencies:
       '@shikijs/types': 3.23.0
@@ -2668,6 +3536,8 @@ snapshots:
 
   '@shikijs/vscode-textmate@10.0.2': {}
 
+  '@sindresorhus/merge-streams@4.0.0': {}
+
   '@smithy/core@3.31.1':
     dependencies:
       '@smithy/types': 4.16.1
@@ -2701,6 +3571,8 @@ snapshots:
     dependencies:
       tslib: 2.8.1
 
+  '@standard-schema/spec@1.1.0': {}
+
   '@swc/helpers@0.5.23':
     dependencies:
       tslib: 2.8.1
@@ -2741,9 +3613,14 @@ snapshots:
       tslib: 2.8.1
     optional: true
 
-  '@types/bun@1.3.13':
+  '@types/chai@5.2.3':
     dependencies:
-      bun-types: 1.3.13
+      '@types/deep-eql': 4.0.2
+      assertion-error: 2.0.1
+
+  '@types/deep-eql@4.0.2': {}
+
+  '@types/estree@1.0.9': {}
 
   '@types/hast@3.0.5':
     dependencies:
@@ -2755,9 +3632,9 @@ snapshots:
 
   '@types/lodash@4.17.25': {}
 
-  '@types/node@25.8.0':
+  '@types/node@24.7.0':
     dependencies:
-      undici-types: 7.24.6
+      undici-types: 7.14.0
 
   '@types/react-dom@19.2.4(@types/react@19.2.18)':
     dependencies:
@@ -2769,6 +3646,55 @@ snapshots:
 
   '@types/unist@3.0.3': {}
 
+  '@vitest/expect@4.1.2':
+    dependencies:
+      '@standard-schema/spec': 1.1.0
+      '@types/chai': 5.2.3
+      '@vitest/spy': 4.1.2
+      '@vitest/utils': 4.1.2
+      chai: 6.2.2
+      tinyrainbow: 3.1.1
+
+  '@vitest/mocker@4.1.2(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3))':
+    dependencies:
+      '@vitest/spy': 4.1.2
+      estree-walker: 3.0.3
+      magic-string: 0.30.21
+    optionalDependencies:
+      vite: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3)
+
+  '@vitest/mocker@4.1.2(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))':
+    dependencies:
+      '@vitest/spy': 4.1.2
+      estree-walker: 3.0.3
+      magic-string: 0.30.21
+    optionalDependencies:
+      vite: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)
+
+  '@vitest/pretty-format@4.1.2':
+    dependencies:
+      tinyrainbow: 3.1.1
+
+  '@vitest/runner@4.1.2':
+    dependencies:
+      '@vitest/utils': 4.1.2
+      pathe: 2.0.3
+
+  '@vitest/snapshot@4.1.2':
+    dependencies:
+      '@vitest/pretty-format': 4.1.2
+      '@vitest/utils': 4.1.2
+      magic-string: 0.30.21
+      pathe: 2.0.3
+
+  '@vitest/spy@4.1.2': {}
+
+  '@vitest/utils@4.1.2':
+    dependencies:
+      '@vitest/pretty-format': 4.1.2
+      convert-source-map: 2.0.0
+      tinyrainbow: 3.1.1
+
   abitype@1.2.3(typescript@6.0.2)(zod@3.25.76):
     optionalDependencies:
       typescript: 6.0.2
@@ -2799,6 +3725,8 @@ snapshots:
       pvutils: 1.1.5
       tslib: 2.8.1
 
+  assertion-error@2.0.1: {}
+
   balanced-match@1.0.2: {}
 
   balanced-match@4.0.4: {}
@@ -2817,9 +3745,7 @@ snapshots:
     dependencies:
       fill-range: 7.1.1
 
-  bun-types@1.3.13:
-    dependencies:
-      '@types/node': 25.8.0
+  chai@6.2.2: {}
 
   change-case@5.4.4: {}
 
@@ -2842,6 +3768,14 @@ snapshots:
 
   commander@8.3.0: {}
 
+  convert-source-map@2.0.0: {}
+
+  cross-spawn@7.0.6:
+    dependencies:
+      path-key: 3.1.1
+      shebang-command: 2.0.0
+      which: 2.0.2
+
   csstype@3.2.3: {}
 
   date-fns@4.1.0: {}
@@ -2862,34 +3796,69 @@ snapshots:
 
   environment@1.1.0: {}
 
-  esbuild@0.25.12:
+  es-module-lexer@2.1.0: {}
+
+  esbuild@0.27.7:
+    optionalDependencies:
+      '@esbuild/aix-ppc64': 0.27.7
+      '@esbuild/android-arm': 0.27.7
+      '@esbuild/android-arm64': 0.27.7
+      '@esbuild/android-x64': 0.27.7
+      '@esbuild/darwin-arm64': 0.27.7
+      '@esbuild/darwin-x64': 0.27.7
+      '@esbuild/freebsd-arm64': 0.27.7
+      '@esbuild/freebsd-x64': 0.27.7
+      '@esbuild/linux-arm': 0.27.7
+      '@esbuild/linux-arm64': 0.27.7
+      '@esbuild/linux-ia32': 0.27.7
+      '@esbuild/linux-loong64': 0.27.7
+      '@esbuild/linux-mips64el': 0.27.7
+      '@esbuild/linux-ppc64': 0.27.7
+      '@esbuild/linux-riscv64': 0.27.7
+      '@esbuild/linux-s390x': 0.27.7
+      '@esbuild/linux-x64': 0.27.7
+      '@esbuild/netbsd-arm64': 0.27.7
+      '@esbuild/netbsd-x64': 0.27.7
+      '@esbuild/openbsd-arm64': 0.27.7
+      '@esbuild/openbsd-x64': 0.27.7
+      '@esbuild/openharmony-arm64': 0.27.7
+      '@esbuild/sunos-x64': 0.27.7
+      '@esbuild/win32-arm64': 0.27.7
+      '@esbuild/win32-ia32': 0.27.7
+      '@esbuild/win32-x64': 0.27.7
+
+  esbuild@0.28.1:
     optionalDependencies:
-      '@esbuild/aix-ppc64': 0.25.12
-      '@esbuild/android-arm': 0.25.12
-      '@esbuild/android-arm64': 0.25.12
-      '@esbuild/android-x64': 0.25.12
-      '@esbuild/darwin-arm64': 0.25.12
-      '@esbuild/darwin-x64': 0.25.12
-      '@esbuild/freebsd-arm64': 0.25.12
-      '@esbuild/freebsd-x64': 0.25.12
-      '@esbuild/linux-arm': 0.25.12
-      '@esbuild/linux-arm64': 0.25.12
-      '@esbuild/linux-ia32': 0.25.12
-      '@esbuild/linux-loong64': 0.25.12
-      '@esbuild/linux-mips64el': 0.25.12
-      '@esbuild/linux-ppc64': 0.25.12
-      '@esbuild/linux-riscv64': 0.25.12
-      '@esbuild/linux-s390x': 0.25.12
-      '@esbuild/linux-x64': 0.25.12
-      '@esbuild/netbsd-arm64': 0.25.12
-      '@esbuild/netbsd-x64': 0.25.12
-      '@esbuild/openbsd-arm64': 0.25.12
-      '@esbuild/openbsd-x64': 0.25.12
-      '@esbuild/openharmony-arm64': 0.25.12
-      '@esbuild/sunos-x64': 0.25.12
-      '@esbuild/win32-arm64': 0.25.12
-      '@esbuild/win32-ia32': 0.25.12
-      '@esbuild/win32-x64': 0.25.12
+      '@esbuild/aix-ppc64': 0.28.1
+      '@esbuild/android-arm': 0.28.1
+      '@esbuild/android-arm64': 0.28.1
+      '@esbuild/android-x64': 0.28.1
+      '@esbuild/darwin-arm64': 0.28.1
+      '@esbuild/darwin-x64': 0.28.1
+      '@esbuild/freebsd-arm64': 0.28.1
+      '@esbuild/freebsd-x64': 0.28.1
+      '@esbuild/linux-arm': 0.28.1
+      '@esbuild/linux-arm64': 0.28.1
+      '@esbuild/linux-ia32': 0.28.1
+      '@esbuild/linux-loong64': 0.28.1
+      '@esbuild/linux-mips64el': 0.28.1
+      '@esbuild/linux-ppc64': 0.28.1
+      '@esbuild/linux-riscv64': 0.28.1
+      '@esbuild/linux-s390x': 0.28.1
+      '@esbuild/linux-x64': 0.28.1
+      '@esbuild/netbsd-arm64': 0.28.1
+      '@esbuild/netbsd-x64': 0.28.1
+      '@esbuild/openbsd-arm64': 0.28.1
+      '@esbuild/openbsd-x64': 0.28.1
+      '@esbuild/openharmony-arm64': 0.28.1
+      '@esbuild/sunos-x64': 0.28.1
+      '@esbuild/win32-arm64': 0.28.1
+      '@esbuild/win32-ia32': 0.28.1
+      '@esbuild/win32-x64': 0.28.1
+
+  estree-walker@3.0.3:
+    dependencies:
+      '@types/estree': 1.0.9
 
   ethereum-cryptography@3.2.0:
     dependencies:
@@ -2905,6 +3874,21 @@ snapshots:
 
   evm-maths@7.0.1: {}
 
+  execa@9.6.0:
+    dependencies:
+      '@sindresorhus/merge-streams': 4.0.0
+      cross-spawn: 7.0.6
+      figures: 6.1.0
+      get-stream: 9.0.1
+      human-signals: 8.0.1
+      is-plain-obj: 4.1.0
+      is-stream: 4.0.1
+      npm-run-path: 6.0.0
+      pretty-ms: 9.3.0
+      signal-exit: 4.1.0
+      strip-final-newline: 4.0.0
+      yoctocolors: 2.2.0
+
   executooor-viem@1.3.3(evm-maths@7.0.1)(viem@2.47.17(typescript@6.0.2)(zod@3.25.76)):
     dependencies:
       evm-maths: 7.0.1
@@ -2915,6 +3899,8 @@ snapshots:
       evm-maths: 7.0.1
       viem: 2.47.17(typescript@6.0.2)(zod@4.4.3)
 
+  expect-type@1.4.0: {}
+
   fast-deep-equal@3.1.3: {}
 
   fast-glob@3.3.3:
@@ -2933,6 +3919,14 @@ snapshots:
     dependencies:
       walk-up-path: 4.0.0
 
+  fdir@6.5.0(picomatch@4.0.5):
+    optionalDependencies:
+      picomatch: 4.0.5
+
+  figures@6.1.0:
+    dependencies:
+      is-unicode-supported: 2.1.0
+
   fill-range@7.1.1:
     dependencies:
       to-regex-range: 5.0.1
@@ -2943,8 +3937,20 @@ snapshots:
     dependencies:
       fd-package-json: 2.0.0
 
+  fsevents@2.3.3:
+    optional: true
+
   get-east-asian-width@1.6.0: {}
 
+  get-stream@9.0.1:
+    dependencies:
+      '@sec-ant/readable-stream': 0.4.1
+      is-stream: 4.0.1
+
+  get-tsconfig@4.14.0:
+    dependencies:
+      resolve-pkg-maps: 1.0.0
+
   glob-parent@5.1.2:
     dependencies:
       is-glob: 4.0.3
@@ -2956,6 +3962,8 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  human-signals@8.0.1: {}
+
   husky@9.1.7: {}
 
   index-to-position@1.2.0: {}
@@ -2972,6 +3980,14 @@ snapshots:
 
   is-number@7.0.0: {}
 
+  is-plain-obj@4.1.0: {}
+
+  is-stream@4.0.1: {}
+
+  is-unicode-supported@2.1.0: {}
+
+  isexe@2.0.0: {}
+
   isows@1.0.7(ws@8.18.3):
     dependencies:
       ws: 8.18.3
@@ -2992,10 +4008,10 @@ snapshots:
 
   json-schema-traverse@1.0.0: {}
 
-  knip@5.88.1(@types/node@25.8.0)(typescript@6.0.2):
+  knip@5.88.1(@types/node@24.7.0)(typescript@6.0.2):
     dependencies:
       '@nodelib/fs.walk': 1.2.8
-      '@types/node': 25.8.0
+      '@types/node': 24.7.0
       fast-glob: 3.3.3
       formatly: 0.3.0
       jiti: 2.7.0
@@ -3052,6 +4068,10 @@ snapshots:
 
   lunr@2.3.9: {}
 
+  magic-string@0.30.21:
+    dependencies:
+      '@jridgewell/sourcemap-codec': 1.5.5
+
   markdown-it@14.3.0:
     dependencies:
       argparse: 2.0.1
@@ -3086,6 +4106,15 @@ snapshots:
 
   ms@2.1.3: {}
 
+  nanoid@3.3.16: {}
+
+  npm-run-path@6.0.0:
+    dependencies:
+      path-key: 4.0.0
+      unicorn-magic: 0.3.0
+
+  obug@2.1.4: {}
+
   onetime@7.0.0:
     dependencies:
       mimic-function: 5.0.1
@@ -3222,6 +4251,14 @@ snapshots:
       index-to-position: 1.2.0
       type-fest: 4.41.0
 
+  parse-ms@4.0.0: {}
+
+  path-key@3.1.1: {}
+
+  path-key@4.0.0: {}
+
+  pathe@2.0.3: {}
+
   picocolors@1.1.1: {}
 
   picomatch@2.3.2: {}
@@ -3230,6 +4267,16 @@ snapshots:
 
   pluralize@8.0.0: {}
 
+  postcss@8.5.25:
+    dependencies:
+      nanoid: 3.3.16
+      picocolors: 1.1.1
+      source-map-js: 1.2.1
+
+  pretty-ms@9.3.0:
+    dependencies:
+      parse-ms: 4.0.0
+
   punycode.js@2.3.1: {}
 
   pvtsutils@1.3.6:
@@ -3249,6 +4296,8 @@ snapshots:
 
   require-from-string@2.0.2: {}
 
+  resolve-pkg-maps@1.0.0: {}
+
   restore-cursor@5.1.0:
     dependencies:
       onetime: 7.0.0
@@ -3258,6 +4307,38 @@ snapshots:
 
   rfdc@1.4.1: {}
 
+  rollup@4.62.4:
+    dependencies:
+      '@types/estree': 1.0.9
+    optionalDependencies:
+      '@napi-rs/lzma-linux-x64-gnu': 1.5.1
+      '@rollup/rollup-android-arm-eabi': 4.62.4
+      '@rollup/rollup-android-arm64': 4.62.4
+      '@rollup/rollup-darwin-arm64': 4.62.4
+      '@rollup/rollup-darwin-x64': 4.62.4
+      '@rollup/rollup-freebsd-arm64': 4.62.4
+      '@rollup/rollup-freebsd-x64': 4.62.4
+      '@rollup/rollup-linux-arm-gnueabihf': 4.62.4
+      '@rollup/rollup-linux-arm-musleabihf': 4.62.4
+      '@rollup/rollup-linux-arm64-gnu': 4.62.4
+      '@rollup/rollup-linux-arm64-musl': 4.62.4
+      '@rollup/rollup-linux-loong64-gnu': 4.62.4
+      '@rollup/rollup-linux-loong64-musl': 4.62.4
+      '@rollup/rollup-linux-ppc64-gnu': 4.62.4
+      '@rollup/rollup-linux-ppc64-musl': 4.62.4
+      '@rollup/rollup-linux-riscv64-gnu': 4.62.4
+      '@rollup/rollup-linux-riscv64-musl': 4.62.4
+      '@rollup/rollup-linux-s390x-gnu': 4.62.4
+      '@rollup/rollup-linux-x64-gnu': 4.62.4
+      '@rollup/rollup-linux-x64-musl': 4.62.4
+      '@rollup/rollup-openbsd-x64': 4.62.4
+      '@rollup/rollup-openharmony-arm64': 4.62.4
+      '@rollup/rollup-win32-arm64-msvc': 4.62.4
+      '@rollup/rollup-win32-ia32-msvc': 4.62.4
+      '@rollup/rollup-win32-x64-gnu': 4.62.4
+      '@rollup/rollup-win32-x64-msvc': 4.62.4
+      fsevents: 2.3.3
+
   run-parallel@1.2.0:
     dependencies:
       queue-microtask: 1.2.3
@@ -3266,6 +4347,14 @@ snapshots:
 
   semver@5.7.2: {}
 
+  shebang-command@2.0.0:
+    dependencies:
+      shebang-regex: 3.0.0
+
+  shebang-regex@3.0.0: {}
+
+  siginfo@2.0.0: {}
+
   signal-exit@4.1.0: {}
 
   slice-ansi@7.1.2:
@@ -3292,10 +4381,10 @@ snapshots:
     transitivePeerDependencies:
       - debug
 
-  soltag@0.0.17(esbuild@0.25.12)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3)):
+  soltag@0.0.17(esbuild@0.28.1)(rollup@4.62.4)(solc@0.8.35)(typescript@6.0.2)(viem@2.47.17(typescript@6.0.2)(zod@4.4.3))(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)):
     dependencies:
       solc: 0.8.35
-      unplugin: 3.3.0(esbuild@0.25.12)
+      unplugin: 3.3.0(esbuild@0.28.1)(rollup@4.62.4)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
       viem: 2.47.17(typescript@6.0.2)(zod@4.4.3)
     optionalDependencies:
       typescript: 6.0.2
@@ -3310,6 +4399,12 @@ snapshots:
       - vite
       - webpack
 
+  source-map-js@1.2.1: {}
+
+  stackback@0.0.2: {}
+
+  std-env@4.2.0: {}
+
   string-argv@0.3.2: {}
 
   string-width@7.2.0:
@@ -3327,14 +4422,25 @@ snapshots:
     dependencies:
       ansi-regex: 6.2.2
 
+  strip-final-newline@4.0.0: {}
+
   strip-json-comments@5.0.3: {}
 
   supports-color@10.2.2: {}
 
+  tinybench@2.9.0: {}
+
   tinyexec@1.3.0: {}
 
+  tinyglobby@0.2.17:
+    dependencies:
+      fdir: 6.5.0(picomatch@4.0.5)
+      picomatch: 4.0.5
+
   tinypool@2.1.0: {}
 
+  tinyrainbow@3.1.1: {}
+
   tmp@0.0.33:
     dependencies:
       os-tmpdir: 1.0.2
@@ -3345,6 +4451,13 @@ snapshots:
 
   tslib@2.8.1: {}
 
+  tsx@4.21.0:
+    dependencies:
+      esbuild: 0.27.7
+      get-tsconfig: 4.14.0
+    optionalDependencies:
+      fsevents: 2.3.3
+
   type-fest@4.41.0: {}
 
   typedoc@0.28.20(typescript@6.0.2):
@@ -3362,15 +4475,19 @@ snapshots:
 
   unbash@2.2.0: {}
 
-  undici-types@7.24.6: {}
+  undici-types@7.14.0: {}
+
+  unicorn-magic@0.3.0: {}
 
-  unplugin@3.3.0(esbuild@0.25.12):
+  unplugin@3.3.0(esbuild@0.28.1)(rollup@4.62.4)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)):
     dependencies:
       '@jridgewell/remapping': 2.3.5
       picomatch: 4.0.5
       webpack-virtual-modules: 0.6.2
     optionalDependencies:
-      esbuild: 0.25.12
+      esbuild: 0.28.1
+      rollup: 4.62.4
+      vite: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)
 
   uri-js-replace@1.0.1: {}
 
@@ -3418,10 +4535,103 @@ snapshots:
       - utf-8-validate
       - zod
 
+  vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3):
+    dependencies:
+      esbuild: 0.28.1
+      fdir: 6.5.0(picomatch@4.0.5)
+      picomatch: 4.0.5
+      postcss: 8.5.25
+      rollup: 4.62.4
+      tinyglobby: 0.2.17
+    optionalDependencies:
+      '@types/node': 24.7.0
+      fsevents: 2.3.3
+      jiti: 2.7.0
+      tsx: 4.21.0
+      yaml: 2.8.3
+
+  vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0):
+    dependencies:
+      esbuild: 0.28.1
+      fdir: 6.5.0(picomatch@4.0.5)
+      picomatch: 4.0.5
+      postcss: 8.5.25
+      rollup: 4.62.4
+      tinyglobby: 0.2.17
+    optionalDependencies:
+      '@types/node': 24.7.0
+      fsevents: 2.3.3
+      jiti: 2.7.0
+      tsx: 4.21.0
+      yaml: 2.9.0
+
+  vitest@4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3)):
+    dependencies:
+      '@vitest/expect': 4.1.2
+      '@vitest/mocker': 4.1.2(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3))
+      '@vitest/pretty-format': 4.1.2
+      '@vitest/runner': 4.1.2
+      '@vitest/snapshot': 4.1.2
+      '@vitest/spy': 4.1.2
+      '@vitest/utils': 4.1.2
+      es-module-lexer: 2.1.0
+      expect-type: 1.4.0
+      magic-string: 0.30.21
+      obug: 2.1.4
+      pathe: 2.0.3
+      picomatch: 4.0.5
+      std-env: 4.2.0
+      tinybench: 2.9.0
+      tinyexec: 1.3.0
+      tinyglobby: 0.2.17
+      tinyrainbow: 3.1.1
+      vite: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.8.3)
+      why-is-node-running: 2.3.0
+    optionalDependencies:
+      '@types/node': 24.7.0
+    transitivePeerDependencies:
+      - msw
+
+  vitest@4.1.2(@types/node@24.7.0)(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)):
+    dependencies:
+      '@vitest/expect': 4.1.2
+      '@vitest/mocker': 4.1.2(vite@7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0))
+      '@vitest/pretty-format': 4.1.2
+      '@vitest/runner': 4.1.2
+      '@vitest/snapshot': 4.1.2
+      '@vitest/spy': 4.1.2
+      '@vitest/utils': 4.1.2
+      es-module-lexer: 2.1.0
+      expect-type: 1.4.0
+      magic-string: 0.30.21
+      obug: 2.1.4
+      pathe: 2.0.3
+      picomatch: 4.0.5
+      std-env: 4.2.0
+      tinybench: 2.9.0
+      tinyexec: 1.3.0
+      tinyglobby: 0.2.17
+      tinyrainbow: 3.1.1
+      vite: 7.3.6(@types/node@24.7.0)(jiti@2.7.0)(tsx@4.21.0)(yaml@2.9.0)
+      why-is-node-running: 2.3.0
+    optionalDependencies:
+      '@types/node': 24.7.0
+    transitivePeerDependencies:
+      - msw
+
   walk-up-path@4.0.0: {}
 
   webpack-virtual-modules@0.6.2: {}
 
+  which@2.0.2:
+    dependencies:
+      isexe: 2.0.0
+
+  why-is-node-running@2.3.0:
+    dependencies:
+      siginfo: 2.0.0
+      stackback: 0.0.2
+
   wrap-ansi@9.0.2:
     dependencies:
       ansi-styles: 6.2.3
@@ -3438,6 +4648,8 @@ snapshots:
 
   yargs-parser@21.1.1: {}
 
+  yoctocolors@2.2.0: {}
+
   zod@3.25.76: {}
 
   zod@4.4.3: {}
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 868a2bfc..c9e593d3 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -6,27 +6,23 @@ engineStrict: true
 saveExact: true
 verifyStoreIntegrity: true
 preferOffline: true
-# Bun's resolver does not reliably follow pnpm's isolated workspace dependency links for soltag's
-# TypeScript imports. Hoisting preserves the pnpm lockfile and lifecycle policy while supporting the
-# intermediate migration state where Bun remains the test runner.
-nodeLinker: hoisted
 
 # 3 days — carried over from bunfig.toml's `minimumReleaseAge = 259200` (seconds; this is minutes).
 minimumReleaseAge: 4320
 minimumReleaseAgeExclude:
   - '@morpho-org/*'
 
-# No dependency lifecycle script runs unless opted in here — add entries deliberately. esbuild's
-# platform binary is required by the root build dependency introduced on main.
+# No dependency lifecycle script runs unless opted in here — add entries deliberately. esbuild is
+# the only dependency in the tree that needs one; any future addition is a reviewable change.
 allowBuilds:
   esbuild: true
 # Make an un-opted-in build script a hard install failure, not a warning. Without this the
 # default-deny above is advisory, which defeats the point of the migration.
 strictDepBuilds: true
 
-# pnpm does not run npm-style pre/post scripts by default. `prestart` is load-bearing here: it
-# builds @repo/contracts' gitignored dist/ (and runs generate:api for midnight-crossed-books), so
-# the bots cannot resolve their own dependency without it.
+# pnpm does not run npm-style pre/post scripts by default. Nothing depends on them today (the bots
+# build explicitly, at image-build time), but keep npm-compatible behavior so a future `pre*`/`post*`
+# script does not silently never run.
 enablePrePostScripts: true
 
 # Migrating the lockfile re-resolves every caret range, so entries that bun.lock had already
@@ -40,11 +36,13 @@ catalog:
   '@morpho-org/midnight-sdk': 1.3.0
   '@morpho-org/morpho-ts': 2.8.0
   '@morpho-org/viem-dlc': 0.0.11
-  '@types/bun': 1.3.13
   '@types/lodash-es': ^4.17.12
+  '@types/node': 24.7.0
   '@types/react': 19.2.18
   '@types/react-dom': 19.2.4
   date-fns: 4.1.0
+  esbuild: 0.28.1
+  execa: 9.6.0
   executooor-viem: ^1.3.3
   husky: ^9.1.5
   knip: ^5.86.0
@@ -65,6 +63,9 @@ catalog:
   # settings (0.8.35, optimizer runs=200).
   solc: 0.8.35
   soltag: ^0.0.17
+  tsx: 4.21.0
   typescript: 6.0.2
   viem: 2.47.17
+  vite: 7.3.6
+  vitest: 4.1.2
   zod: 3.25.76
diff --git a/vitest.config.ts b/vitest.config.ts
new file mode 100644
index 00000000..425721ce
--- /dev/null
+++ b/vitest.config.ts
@@ -0,0 +1,22 @@
+import { defineConfig } from 'vitest/config'
+
+// Workspace runner: every member that carries tests is a project. The two liquidation bots hold
+// their own vitest.config.ts (soltag `sol``` transform + fork-suite env files); the rest run with
+// defaults rooted at their own directory.
+export default defineConfig({
+  test: {
+    projects: [
+      'packages/utils',
+      'packages/bot-kit',
+      'packages/swaps',
+      'packages/logging',
+      'packages/monitoring',
+      'packages/observability',
+      'packages/offers',
+      'bots/blue-liquidation',
+      'bots/midnight-liquidation',
+      'bots/midnight-crossed-books',
+      'bots/market-making'
+    ]
+  }
+})