fix(select,deps,delegation): follow-up fixes stranded past #129's merge - #130
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Pinning the optional base64 dependency from 0.23 back to 0.22 to match the version already pulled in transitively by hyper-util and reqwest, preventing a second copy of the crate from entering consumers' dependency graphs and tripping their kernel-dependency-floor checks. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Move ambiguous resource nouns like "email", "message", and "dm" out of the Send verb aliases into a dedicated constant checked only when no explicit verb is detected. Previously these nouns caused commands such as "read email" or "delete a message" to incorrectly match Send alongside the explicit Read or Delete intent, since a noun is not the same signal as an action word. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
… in resume_delegation Add a test that verifies `resume_delegation` rejects a checkpoint whose schema version is newer than the current binary. This entry point bypasses `run_or_resume_delegation`'s match arms, so without this check a schema-mismatched checkpoint could be accepted during a mixed-version deployment, leading to incorrect behaviour under outdated semantics. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
…ation Adds a test that verifies two concurrent calls to `resume_delegation` for the same paused thread never execute their stage callbacks simultaneously, ensuring the per-thread lock correctly serializes access even when the public entry point bypasses `run_or_resume_delegation`. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
A cancellation check was added at the start of the approval node in the delegation graph, ensuring that a cancellation signal received while a gated run is waiting for approval is properly honoured. Without this check, a cancelled run could either retry indefinitely or finalize successfully despite being cancelled, depending on the approval outcome. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
…to finalize Add a test that verifies cancellation arriving while a gated run is parked at the approval interrupt is honoured at that boundary, ensuring the cancellation routes to finalize rather than being silently overridden by an approving resume. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Add a test that verifies `decode_json_err` tags errors from non-record contexts as `[corrupt]` even when the underlying serde error is a `Data` category, reserving the `[schema]` tag exclusively for the "record" context. This prevents misclassification of internal metadata decoding failures as schema evolution issues. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Add a prose block to the cycle-detection function explaining that when a caller supplies two DagNode entries with the same id, only the first one's edges are kept and the second's are silently discarded, which can mask cycles that the second declaration would have introduced. This behaviour is a known footgun for callers that reuse ids, so the documentation makes the contract explicit. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
The doc comment for `has_cycle` now explains that when duplicate ids appear, only the first `DagNode` declaration is kept and any later node with the same id has its edges silently dropped, rather than contributing to the cycle check. This makes the deduplication semantics explicit for callers who may need to merge edges into the original declaration. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
The condition for checking resource nouns that imply the Send verb was changed from checking whether no verbs were found to checking whether Send itself was already detected. The original logic added Send when no action verb matched at all, but this caused a ranking regression: a phrase like "Post a message to #general" matches the Create verb via "post", so the noun check was skipped entirely and Send was never added, dropping SLACK_SEND_MESSAGE out of the top 15 results. The fix restores the pre-extraction behaviour where Send is added whenever any of its aliases—action words or nouns—match, keeping the verb table honest without changing which verbs are found. Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
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📝 WalkthroughWalkthroughThe pull request updates delegation resume safeguards, narrows checkpoint error classification, clarifies DAG duplicate handling, refines tool verb detection, and pins the optional ChangesDelegation resume handling
Checkpoint diagnostics and DAG contracts
Tool verb detection
Dependency resolution
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to The PR restores message-send ranking alongside creation verbs and strengthens delegation resume handling, schema validation, and cancellation routing. It is mergeable with owner awareness that two focused tests should be tightened so regressions in these protections cannot pass unnoticed. Sequence Diagram(s)sequenceDiagram
participant Caller
participant resume_delegation
participant Checkpointer
participant approval
participant finalize
Caller->>resume_delegation: submit approval decision
resume_delegation->>Checkpointer: read checkpoint under thread_lock
Checkpointer-->>resume_delegation: return checkpoint state
resume_delegation->>approval: dispatch resume
approval->>approval: check cancellation token
approval->>finalize: route cancelled run
Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 87.50% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 7 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches📝 Generate docstrings
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tinysweeper found nothing blocking. Approving.
$0.0192 · 216,099 in / 2,915 out · 19,372 cached (9%) · openrouter/openai/text-embedding-3-small, deepseek/deepseek-v4-flash, z-ai/glm-5.2 · 692 embedded
critique: $0.0077 · 94,977 in / 1,560 out · 1,024 cached (1%) · deepseek/deepseek-v4-flash
security: $0.0091 · 92,118 in / 1,191 out · 18,348 cached (20%) · deepseek/deepseek-v4-flash, z-ai/glm-5.2
tests: $0.0015 · 18,009 in / 115 out · 0 cached (0%) · deepseek/deepseek-v4-flash
description: $0.0009 · 10,995 in / 49 out · 0 cached (0%) · deepseek/deepseek-v4-flash
How this change flows3 changed behaviours across 8 relationships. 5 surrounding behaviours are shown (60 graph nodes walked). 39 further behaviours left out to keep the diagram readable. flowchart LR
n0["...heduling_finalize_is_resumed_not_terminal<br/>changed"]:::changed
n1["detect_verbs<br/>changed"]:::changed
n2["verb_aliases<br/>changed"]:::changed
n3["rank_tools_by_prompt"]:::impacted
n4["Send"]:::impacted
n5["DelegationState"]:::impacted
n6["DelegationConfig"]:::impacted
n7["query_tokens"]:::impacted
n0 -->|uses| n5
n0 -->|uses| n6
n1 -->|calls| n2
n1 -->|uses| n4
n2 -->|uses| n4
n3 -->|calls| n1
n3 -->|calls| n7
n6 -->|uses| n5
classDef changed fill:#0d4429,stroke:#238636,color:#e6edf3
classDef impacted fill:#161b22,stroke:#6e7681,color:#c9d1d9
classDef flagged fill:#5a1e02,stroke:#d93f0b,color:#ffffff
classDef blocking fill:#67060c,stroke:#f85149,color:#ffffff
Green: changed behaviour. Grey: surrounding behaviour. Arrows name the call, use, implementation, or test relationship. Orange: has findings. Red: has a finding that blocks the merge. |
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In `@src/graph/delegation/test.rs`:
- Around line 926-929: Update the concurrent resume test around
resume_delegation to use a blocking checkpointer wrapper that tracks overlapping
get calls after setup’s initial pause. Coordinate the two resume_delegation
calls so the first enters and holds the resume critical section, assert the
second cannot enter get concurrently, then release the first and verify both
resumes complete.
In `@src/harness/tool/select/test.rs`:
- Around line 167-169: Strengthen the regression coverage in the verb-detection
tests by asserting that detect_verbs for “post a message to general channel”
returns exactly both ToolVerb::Create and ToolVerb::Send, rather than accepting
either variant; use an exact HashSet comparison and preserve the existing
noun-only case separately.
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📒 Files selected for processing (8)
Cargo.tomlsrc/graph/checkpoint/mod.rssrc/graph/dag/mod.rssrc/graph/delegation/graph.rssrc/graph/delegation/run.rssrc/graph/delegation/test.rssrc/harness/tool/select/mod.rssrc/harness/tool/select/test.rs
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Auto-committed-on: dragonfly Co-authored-by: Medulla <medulla@tinyhumans.ai>
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| if let Some(checkpoint) = cp | ||
| .get(thread_id.as_str(), None) | ||
| .await | ||
| .map_err(|e| format!("delegation checkpoint read failed for thread {thread_id}: {e}"))? | ||
| && checkpoint.state.schema_version != CURRENT_SCHEMA_VERSION |
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When the checkpointer contains multiple namespaces for this thread, get returns the latest checkpoint across the entire thread, while resume_graph ultimately calls CompiledGraph::resume, which loads the latest checkpoint scoped to the graph's root namespace. A newer subgraph checkpoint can therefore cause this guard either to reject a compatible root approval or to validate the wrong schema version and then apply the decision to an incompatible root checkpoint. Use get_scoped(thread_id.as_str(), None, &[]) here so the validation and resume target the same record.
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Summary
Follow-up to #129, which merged at head
674b782while review fixes were stilllanding on the same branch. 15 commits are stranded past that merge point and
are not on
main. They are all fixes for findings raised by CodeRabbit, Codexand tinysweeper against #129's own tip, each verified before push.
The most important one is a ranking regression introduced during #129's own
review, caught by the parity snapshot that PR added.
API Or Behavior Changes
harness::tool::select— ranking regression fixed (the headline).#129 review moved the ambiguous resource nouns (
email/message/dm) outof
ToolVerb::Send's alias list into a separateSEND_NOUN_ALIASES, gated onfound.is_empty(). The intent was sound —"read email"should beRead, notRead + Send— but the gate is not equivalent to the behaviour it replaced:Fixed by gating the noun fallback on conflict rather than on emptiness: the
noun still applies alongside
Create(posting/writing/drafting a message is asend intent expressed with a creation verb), and still does not apply alongside
Read/List/Update/Delete/Merge.This keeps both properties, which is why it is preferable to reverting:
resource_noun_does_not_add_send_alongside_an_explicit_conflicting_verb(added during feat: extract delegation graph, DAG validation, and tool selection from the OpenHuman host #129 review) still passes —
"read email"→{Read},"delete a message"→{Delete}.adapter_ranking_matches_the_pre_extraction_snapshotpassesagain — orderings captured from the pre-extraction code over a 1,000-action
real catalogue, which is the parity contract the extraction was built on.
Cargo.toml—base64pinned back to0.22. Dependabot #125 moved thiscrate to
0.23.1, but the wholereqwest→hyper-rustls→hyper-utilchainstill resolves
0.22.1, so the crate now pulled a second copy. In OpenHumanthat tripped the kernel-dependency-floor ratchet (
288 → 289packages, namesand native builds unchanged — the signature of a duplicate, not a new dep).
Verified back at
288 / 270 / 2with a singlebase64 v0.22.1in the graph.This partially reverts #125's intent for this crate; dependabot will re-propose
0.23once reqwest's tree moves, which is fine.graph::delegation— two real concurrency/schema holes closed.resume_delegationis a public entry point that bypassedrun_or_resume_delegation's per-thread lock and schema check entirely: it nowserialises on the same lock and rejects a schema-mismatched checkpoint instead
of resuming against it. A cancellation check was also missing at the durable
approval interrupt node, so a cancelled run could route into approval rather
than finalize.
graph::dag— documentation only.has_cycledeliberately builds the graphfrom the first declaration of a repeated id. The docs now state the
consequence, not just the rationale: a caller that wants to add edges to an
existing node must merge them into that node's single declaration, because
appending a second declaration silently drops those edges — and with them any
cycle they would have closed.
Tests
cargo fmt --checkcargo clippy --all-targets -- -D warningscargo clippy --all-targets --all-features -- -D warningscargo build --all-targetscargo build --all-targets --all-featurescargo test— 2,520 passed / 0 failedcargo test --all-features— 2,653 passed / 0 failedCross-checked against the consumer, since the regression was only visible there:
OpenHuman's
tool_filtersuite is green on this tip (11 passed / 0 failed),including
adapter_ranking_matches_the_pre_extraction_snapshot,real_data_slack_send_messageandrepro_3152_create_page_reachable_in_top_k.Kernel floor re-measured at
288 / 270 / 2againstscripts/kernel-floor.limits.New tests here: schema-mismatched-checkpoint rejection and resume serialisation
for
resume_delegation, cancellation-at-approval-node routing, and theschema-tag scoping check in
graph::checkpoint.Documentation
has_cycle's duplicate-id consequence (above) and an expanded rationale ondetect_verbsexplaining precisely whyfound.is_empty()is not equivalent tothe pre-extraction behaviour, so the same regression is not reintroduced.
Related
Follow-up to #129. Companion consumer PR: tinyhumansai/openhuman#5852, which
pins this branch by gitlink and cannot go green until this merges — its
Rust Feature-Gate Smokelane fails on the duplicatebase64and itsRust Core Coveragelane fails on the ranking regression, both fixed here.Summary by CodeRabbit
Bug Fixes
Documentation