diff --git a/‎apps/sim/app/api/v2/chat/route.test.ts‎
Lines changed: 3 additions & 2 deletions b/‎apps/sim/app/api/v2/chat/route.test.ts‎
Lines changed: 3 additions & 2 deletions
diff --git a/‎apps/sim/app/api/v2/chat/route.ts‎
Lines changed: 3 additions & 0 deletions b/‎apps/sim/app/api/v2/chat/route.ts‎
Lines changed: 3 additions & 0 deletions
diff --git a/‎apps/sim/app/api/workspaces/[id]/tests/[name]/route.ts‎
Lines changed: 27 additions & 0 deletions b/‎apps/sim/app/api/workspaces/[id]/tests/[name]/route.ts‎
Lines changed: 27 additions & 0 deletions
diff --git a/‎apps/sim/app/api/workspaces/[id]/tests/[name]/runs/[runId]/route.ts‎
Lines changed: 27 additions & 0 deletions b/‎apps/sim/app/api/workspaces/[id]/tests/[name]/runs/[runId]/route.ts‎
Lines changed: 27 additions & 0 deletions
diff --git a/‎apps/sim/app/api/workspaces/[id]/tests/route.ts‎
Lines changed: 23 additions & 0 deletions b/‎apps/sim/app/api/workspaces/[id]/tests/route.ts‎
Lines changed: 23 additions & 0 deletions
diff --git a/‎apps/sim/app/api/workspaces/[id]/tests/run/route.ts‎
Lines changed: 19 additions & 0 deletions b/‎apps/sim/app/api/workspaces/[id]/tests/run/route.ts‎
Lines changed: 19 additions & 0 deletions
diff --git a/‎apps/sim/app/o/[organizationId]/home/components/composer/composer.test.tsx‎
Lines changed: 3 additions & 0 deletions b/‎apps/sim/app/o/[organizationId]/home/components/composer/composer.test.tsx‎
Lines changed: 3 additions & 0 deletions
diff --git a/‎apps/sim/app/o/[organizationId]/layout.tsx‎
Lines changed: 15 additions & 11 deletions b/‎apps/sim/app/o/[organizationId]/layout.tsx‎
Lines changed: 15 additions & 11 deletions
diff --git a/‎apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/file-viewer.tsx‎
Lines changed: 13 additions & 1 deletion b/‎apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/file-viewer.tsx‎
Lines changed: 13 additions & 1 deletion
diff --git a/‎apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/text-editor.tsx‎
Lines changed: 29 additions & 14 deletions b/‎apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/text-editor.tsx‎
Lines changed: 29 additions & 14 deletions
@@ -84,7 +84,7 @@ vi.mock('@/lib/mothership/chat/messages-store', () => mothershipChatMessagesMock
 vi.mock('@/lib/mothership/chat/payload', () => mothershipChatPayloadMock)
 
 vi.mock('@/lib/mothership/entitlements', () => ({
-  computeWorkspaceEntitlements: vi.fn().mockResolvedValue([]),
+  computeEntitlements: vi.fn().mockResolvedValue([]),
 }))
 
 vi.mock('@/lib/mothership/request/lifecycle/headless', () => mothershipHeadlessLifecycleMock)
@@ -417,8 +417,9 @@ describe('POST /api/v2/chat', () => {
       workspaceId: 'workspace-1',
       chatId: SERVER_ISSUED_CHAT_ID,
       integrationCatalog: { mcpServerIds: [] },
+      mode: 'agent',
     })
-    for (const legacy of ['messages', 'mode', 'isHosted', 'workspaceContext', 'userPermission']) {
+    for (const legacy of ['messages', 'isHosted', 'workspaceContext', 'userPermission']) {
       expect(payload).not.toHaveProperty(legacy)
     }
     expect(options).toMatchObject({
 
@@ -36,6 +36,7 @@ import {
   buildPersistedUserMessage,
 } from '@/lib/mothership/chat/persisted-message'
 import { MOTHERSHIP_CHAT_DEFAULT_MODEL } from '@/lib/mothership/constants'
+import { computeEntitlements } from '@/lib/mothership/entitlements'
 import {
   type CopilotEnvironmentContext,
   createCopilotEnvironmentContext,
@@ -343,6 +344,8 @@ export const POST = withRouteHandler(
         chatId,
         messageId,
         integrationCatalog: { mcpServerIds: [] },
+        mode: 'agent',
+        entitlements: await computeEntitlements({ principal, workspaceId }),
         ...(effort ? { effort } : {}),
       }
 
 
@@ -0,0 +1,27 @@
+import { getWorkflowTestContract } from '@/lib/api/contracts/workflow-tests'
+import {
+  defineInternalJsonRoute,
+  internalOrchestrationErrorPolicy,
+  internalRateLimits,
+  internalSessionAuth,
+} from '@/lib/api/server/routes'
+import { workflowTestOperations } from '@/lib/workflow-tests/application/operations'
+import { getWorkflowTestDetail } from '@/lib/workflow-tests/application/tests'
+
+export const GET = defineInternalJsonRoute({
+  contract: getWorkflowTestContract,
+  auth: internalSessionAuth,
+  operation: workflowTestOperations.read,
+  rateLimit: internalRateLimits.user({
+    bucketName: 'workflow-tests-read',
+    // A running test polls these every 3s from each open page and chat tab.
+    config: { maxTokens: 240, refillRate: 120, refillIntervalMs: 60_000 },
+  }),
+  errorPolicy: internalOrchestrationErrorPolicy,
+  mapInput: ({ params, query }) => ({
+    workspaceId: params.id,
+    name: params.name,
+    version: query.version,
+  }),
+  useCase: getWorkflowTestDetail,
+})
@@ -0,0 +1,27 @@
+import { getWorkflowTestRunContract } from '@/lib/api/contracts/workflow-tests'
+import {
+  defineInternalJsonRoute,
+  internalOrchestrationErrorPolicy,
+  internalRateLimits,
+  internalSessionAuth,
+} from '@/lib/api/server/routes'
+import { workflowTestOperations } from '@/lib/workflow-tests/application/operations'
+import { getWorkflowTestRunDetail } from '@/lib/workflow-tests/application/tests'
+
+export const GET = defineInternalJsonRoute({
+  contract: getWorkflowTestRunContract,
+  auth: internalSessionAuth,
+  operation: workflowTestOperations.read,
+  rateLimit: internalRateLimits.user({
+    bucketName: 'workflow-tests-read',
+    // A running test polls these every 3s from each open page and chat tab.
+    config: { maxTokens: 240, refillRate: 120, refillIntervalMs: 60_000 },
+  }),
+  errorPolicy: internalOrchestrationErrorPolicy,
+  mapInput: ({ params }) => ({
+    workspaceId: params.id,
+    name: params.name,
+    runId: params.runId,
+  }),
+  useCase: getWorkflowTestRunDetail,
+})
@@ -0,0 +1,23 @@
+import { listWorkflowTestsContract } from '@/lib/api/contracts/workflow-tests'
+import {
+  defineInternalJsonRoute,
+  internalOrchestrationErrorPolicy,
+  internalRateLimits,
+  internalSessionAuth,
+} from '@/lib/api/server/routes'
+import { workflowTestOperations } from '@/lib/workflow-tests/application/operations'
+import { listWorkflowTests } from '@/lib/workflow-tests/application/tests'
+
+export const GET = defineInternalJsonRoute({
+  contract: listWorkflowTestsContract,
+  auth: internalSessionAuth,
+  operation: workflowTestOperations.read,
+  rateLimit: internalRateLimits.user({
+    bucketName: 'workflow-tests-read',
+    // A running test polls these every 3s from each open page and chat tab.
+    config: { maxTokens: 240, refillRate: 120, refillIntervalMs: 60_000 },
+  }),
+  errorPolicy: internalOrchestrationErrorPolicy,
+  mapInput: ({ params, query }) => ({ workspaceId: params.id, version: query.version }),
+  useCase: listWorkflowTests,
+})
@@ -0,0 +1,19 @@
+import { runWorkflowTestsContract } from '@/lib/api/contracts/workflow-tests'
+import {
+  defineInternalJsonRoute,
+  internalOrchestrationErrorPolicy,
+  internalRateLimits,
+  internalSessionAuth,
+} from '@/lib/api/server/routes'
+import { workflowTestOperations } from '@/lib/workflow-tests/application/operations'
+import { startWorkflowTestRuns } from '@/lib/workflow-tests/application/run-tests'
+
+export const POST = defineInternalJsonRoute({
+  contract: runWorkflowTestsContract,
+  auth: internalSessionAuth,
+  operation: workflowTestOperations.run,
+  rateLimit: internalRateLimits.user({ bucketName: 'workflow-tests' }),
+  errorPolicy: internalOrchestrationErrorPolicy,
+  mapInput: ({ params, body }) => ({ workspaceId: params.id, ...body }),
+  useCase: startWorkflowTestRuns,
+})
@@ -232,6 +232,7 @@ async function render(
         <FeatureFlagsProvider
           flags={{
             dashboards: false,
+            'workflow-tests': false,
             'mothership-model-selector': mocks.advanced,
             'mothership-plan-mode': mocks.plan,
           }}
@@ -309,6 +310,7 @@ it.each([
           <FeatureFlagsProvider
             flags={{
               dashboards: false,
+              'workflow-tests': false,
               'mothership-model-selector': false,
               'mothership-plan-mode': planEnabled,
             }}
@@ -403,6 +405,7 @@ it('keeps restored queued skills scoped when replacing a draft', async () => {
         <FeatureFlagsProvider
           flags={{
             dashboards: false,
+            'workflow-tests': false,
             'mothership-model-selector': mocks.advanced,
             'mothership-plan-mode': mocks.plan,
           }}
 
@@ -8,6 +8,7 @@ import { isDashboardsEnabled } from '@/lib/dashboards/feature-flag'
 import { isMothershipModelSelectorEnabled, isPlanModeEnabled } from '@/lib/mothership/feature-flags'
 import { organizationRoutes, WORKSPACE_SETTINGS_PATH } from '@/lib/navigation/paths'
 import { getOrganizationSurfaceContext } from '@/lib/organizations/surface'
+import { isWorkflowTestsEnabled } from '@/lib/workflow-tests/feature-flag'
 import { getQueryClient } from '@/app/_shell/providers/get-query-client'
 import { buildAuthCrossLink } from '@/app/(auth)/auth-redirect'
 import { OrganizationAccessDenied } from '@/app/o/[organizationId]/components/organization-access-denied'
@@ -55,24 +56,27 @@ export default async function OrganizationLayout({
   if (!context.mothershipAvailable && !context.searchAccess.memberScoped)
     redirect(WORKSPACE_SETTINGS_PATH)
 
-  const [, modelSelectorEnabled, planModeEnabled, dashboardsEnabled] = await Promise.all([
-    prefetchOrganizationSidebar(
-      queryClient,
-      organizationId,
-      { kind: 'session', userId: session.user.id, sessionId: session.session.id },
-      getActiveOrganizationId(session)
-    ),
-    isMothershipModelSelectorEnabled(),
-    isPlanModeEnabled(),
-    isDashboardsEnabled(organizationId),
-  ])
+  const [, modelSelectorEnabled, planModeEnabled, dashboardsEnabled, workflowTestsEnabled] =
+    await Promise.all([
+      prefetchOrganizationSidebar(
+        queryClient,
+        organizationId,
+        { kind: 'session', userId: session.user.id, sessionId: session.session.id },
+        getActiveOrganizationId(session)
+      ),
+      isMothershipModelSelectorEnabled(),
+      isPlanModeEnabled(),
+      isDashboardsEnabled(organizationId),
+      isWorkflowTestsEnabled(organizationId),
+    ])
   const initialSidebarCollapsed = cookieStore.get('sidebar_collapsed')?.value === '1'
 
   return (
     <HydrationBoundary state={dehydrate(queryClient)}>
       <FeatureFlagsProvider
         flags={{
           dashboards: dashboardsEnabled,
+          'workflow-tests': workflowTestsEnabled,
           'mothership-model-selector': modelSelectorEnabled,
           'mothership-plan-mode': planModeEnabled,
         }}
 
@@ -1,6 +1,6 @@
 'use client'
 
-import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react'
+import { memo, type ReactNode, useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { Music } from '@sim/emcn/icons'
 import dynamic from 'next/dynamic'
 import type { FileDownloadSource } from '@/lib/uploads/client/download'
@@ -120,6 +120,12 @@ interface FileViewerProps {
     status: 'idle' | 'saving' | 'saved' | 'error',
     retry?: () => Promise<void>
   ) => void
+  /** Receives why a save was refused; text files only. */
+  onSaveError?: (error: unknown) => void
+  /** Replaces the file's own preview pane, for an owner with a richer view of the file. */
+  preview?: ReactNode
+  /** Which side of a split the source takes; `end` puts it after the preview. */
+  sourceSide?: 'start' | 'end'
   saveRef?: React.MutableRefObject<(() => Promise<void>) | null>
   downloadSourceRef?: React.MutableRefObject<FileDownloadSource | null>
   discardRef?: React.MutableRefObject<(() => void) | null>
@@ -175,6 +181,9 @@ function FileViewerContent({
   autoFocus,
   onDirtyChange,
   onSaveStatusChange,
+  onSaveError,
+  preview,
+  sourceSide,
   saveRef,
   downloadSourceRef,
   discardRef,
@@ -253,6 +262,9 @@ function FileViewerContent({
         autoFocus={autoFocus}
         onDirtyChange={onDirtyChange}
         onSaveStatusChange={onSaveStatusChange}
+        onSaveError={onSaveError}
+        preview={preview}
+        sourceSide={sourceSide}
         saveRef={saveRef}
         discardRef={discardRef}
         streamingContent={streamingContent}
 
@@ -4,6 +4,7 @@ import {
   memo,
   type ClipboardEvent as ReactClipboardEvent,
   type KeyboardEvent as ReactKeyboardEvent,
+  type ReactNode,
   useCallback,
   useEffect,
   useId,
@@ -405,6 +406,9 @@ interface TextEditorProps {
     status: 'idle' | 'saving' | 'saved' | 'error',
     retry?: () => Promise<void>
   ) => void
+  onSaveError?: (error: unknown) => void
+  preview?: ReactNode
+  sourceSide?: 'start' | 'end'
   saveRef?: React.MutableRefObject<(() => Promise<void>) | null>
   downloadSourceRef?: React.MutableRefObject<FileDownloadSource | null>
   discardRef?: React.MutableRefObject<(() => void) | null>
@@ -422,6 +426,9 @@ export const TextEditor = memo(function TextEditor({
   autoFocus,
   onDirtyChange,
   onSaveStatusChange,
+  onSaveError,
+  preview,
+  sourceSide = 'start',
   saveRef,
   downloadSourceRef,
   discardRef,
@@ -503,6 +510,7 @@ export const TextEditor = memo(function TextEditor({
     isAgentEditing,
     onDirtyChange,
     onSaveStatusChange,
+    onSaveError,
     saveRef,
     discardRef,
   })
@@ -608,7 +616,8 @@ export const TextEditor = memo(function TextEditor({
       if (!container) return
       const rect = container.getBoundingClientRect()
       const isRtl = getComputedStyle(container).direction === 'rtl'
-      const sourceWidth = isRtl ? rect.right - e.clientX : e.clientX - rect.left
+      const fromRight = isRtl !== (sourceSide === 'end')
+      const sourceWidth = fromRight ? rect.right - e.clientX : e.clientX - rect.left
       const pct = (sourceWidth / rect.width) * 100
       setSplitPct(Math.min(SPLIT_MAX_PCT, Math.max(SPLIT_MIN_PCT, pct)))
     }
@@ -626,7 +635,7 @@ export const TextEditor = memo(function TextEditor({
       document.body.style.cursor = ''
       document.body.style.userSelect = ''
     }
-  }, [isResizing])
+  }, [isResizing, sourceSide])
 
   const handleSplitKeyDown = (event: ReactKeyboardEvent<HTMLDivElement>) => {
     const key = readSeparatorKey(event)
@@ -639,7 +648,8 @@ export const TextEditor = memo(function TextEditor({
     }
     const container = containerRef.current
     const isRtl = container !== null && getComputedStyle(container).direction === 'rtl'
-    const delta = (key === 'left' ? -1 : 1) * (isRtl ? -1 : 1) * SPLIT_KEYBOARD_STEP_PCT
+    const fromRight = isRtl !== (sourceSide === 'end')
+    const delta = (key === 'left' ? -1 : 1) * (fromRight ? -1 : 1) * SPLIT_KEYBOARD_STEP_PCT
     setSplitPct((current) => Math.min(SPLIT_MAX_PCT, Math.max(SPLIT_MIN_PCT, current + delta)))
   }
 
@@ -789,7 +799,10 @@ export const TextEditor = memo(function TextEditor({
       <div
         ref={containerRef}
         data-find-tooltip-fix
-        className='relative flex flex-1 overflow-hidden'
+        className={cn(
+          'relative flex flex-1 overflow-hidden',
+          sourceSide === 'end' && 'flex-row-reverse'
+        )}
       >
         <style>{FIND_TOOLTIP_FIX_CSS}</style>
         {showEditor && (
@@ -847,16 +860,18 @@ export const TextEditor = memo(function TextEditor({
                 isResizing && 'pointer-events-none'
               )}
             >
-              <PreviewPanel
-                key={previewContextKey ? `${file.id}:${previewContextKey}` : file.id}
-                content={content}
-                mimeType={file.type}
-                filename={file.name}
-                workspaceId={workspaceId}
-                fileId={file.id}
-                fileKey={file.key}
-                isStreaming={isStreaming}
-              />
+              {preview ?? (
+                <PreviewPanel
+                  key={previewContextKey ? `${file.id}:${previewContextKey}` : file.id}
+                  content={content}
+                  mimeType={file.type}
+                  filename={file.name}
+                  workspaceId={workspaceId}
+                  fileId={file.id}
+                  fileKey={file.key}
+                  isStreaming={isStreaming}
+                />
+              )}
             </div>
           </>
         )}