Take tinyagents' null-tolerant sequence decoder

Cargo.toml

@@ -65,7 +65,15 @@ tinyflows-adaptive = { path = "vendor/tinyflows/crates/adaptive", version = "0.1
 # switched on so an example can build a real harness around a loop. Default
 # features off keeps the bundled SQLite checkpointer and the builtin tool family
 # out of the graph until an example asks for them.
-tinyagents = { path = "vendor/tinyagents", version = "2.1.1", default-features = false }
+#
+# The path names a *crate* inside the vendored workspace rather than the
+# workspace root. `vendor/tinyagents` was a single package up to 2.1.1 and is a
+# virtual manifest from 2.1.2, so the old path stopped resolving the moment the
+# gitlink moved — with `found a virtual manifest ... instead of a package
+# manifest`, which is cargo failing to load the source rather than anything
+# about the code. `tinyagents-graph` re-exports everything the example used from
+# the umbrella crate.
+tinyagents-graph = { path = "vendor/tinyagents/crates/tinyagents-graph", version = "2.1.2", default-features = false }
 # Hashes the emitted loop graph into the signature a checkpoint records, so a
 # resume against a graph whose topology has since changed is refused rather than
 # restored into slots that no longer mean what they meant. Not

crates/tinyloops/Cargo.toml

@@ -44,7 +44,7 @@ thiserror = { workspace = true }
 # Optional, and only ever reached from an example. The `tinyagents` feature
 # below turns it on; the module library itself never calls into it, so a host
 # that loads the `cdylib` resolves neither the harness nor its HTTP client.
-tinyagents = { workspace = true, optional = true }
+tinyagents-graph = { workspace = true, optional = true }
 
 [dev-dependencies]
 tokio = { workspace = true }
@@ -65,7 +65,7 @@ default = []
 # Pulls in the TinyAgents durable agent + graph harness so the examples that
 # drive a loop from a harness can compile. Nothing in `src/` is gated on it —
 # it exists to give an example a real harness instead of a hand-rolled stand-in.
-tinyagents = ["dep:tinyagents"]
+tinyagents = ["dep:tinyagents-graph"]
 
 # Every other example is discovered from `examples/` and builds on a bare
 # `cargo test`. This one additionally needs the optional crate above, and

crates/tinyloops/examples/tinyagents_harness.rs

@@ -23,7 +23,7 @@ use std::error::Error;
 use std::sync::Arc;
 
 use serde_json::{Value, json};
-use tinyagents::{END, GraphBuilder, NodeContext, NodeResult, TinyAgentsError};
+use tinyagents_graph::{END, GraphBuilder, NodeContext, NodeResult, TinyAgentsError};
 use tinyflows::caps::Capabilities;
 use tinyflows::caps::mock::mock_capabilities;
 use tinyflows::compiler::CompiledWorkflow;
@@ -84,7 +84,7 @@ async fn refine(
     mut state: LoopState,
     workflow: Arc<CompiledWorkflow>,
     capabilities: Arc<Capabilities>,
-) -> tinyagents::Result<NodeResult<LoopState>> {
+) -> tinyagents_graph::Result<NodeResult<LoopState>> {
     let outcome = run(&workflow, state.payload.clone(), &capabilities)
         .await
         .map_err(|error| TinyAgentsError::Tool(format!("workflow run failed: {error}")))?;