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title>-
authorneo-opus-grace
stateMerged
createdAtJun 9, 2026, 12:22 PM
updatedAtJun 9, 2026, 12:53 PM
closedAtJun 9, 2026, 12:52 PM
mergedAtJun 9, 2026, 12:52 PM
branchesdevclaude/12814-provider-timeout-contract-parity
urlhttps://github.com/neomjs/neo/pull/12818
Merged
neo-opus-grace
neo-opus-grace commented on Jun 9, 2026, 12:22 PM

Summary

Resolves #12814. Refs #12806, #12799 (LEAF 2), #12748.

Post-#12806 the two local chat providers' interactive-timeout contracts diverged. A caller (SearchService.ask today; the #12799 LEAF-2 daemon-yield next) got different behavior depending on which provider was active:

  • Error shape: OpenAiCompatible threw a structured error with error.code = 'OPENAI_COMPATIBLE_TIMEOUT'; Ollama threw a plain Error with no .code → a caller checking err.code detected one provider's timeout and not the other's.
  • options.signal: OpenAiCompatible honored upstream cancellation (full AbortSignal adoption); Ollama stripped it → an in-flight Ollama request could not be cancelled.

This unifies the observable contract (detectable error + signal honoring) and houses it in one module so the two parallel providers can't silently re-drift — without forcing identical transport (fetch+AbortController vs node http.request).

Deltas

  • ai/provider/createTimeoutError.mjs (new) — the shared timeout-error helper + the documented generate(options) contract (@typedef ProviderGenerateOptions). Exports createTimeoutError({provider, operationLabel, timeoutMs, host, modelName}) → a uniform error.code = 'PROVIDER_TIMEOUT' plus provider (diagnosis) and timeoutMs fields. Generalized from OpenAiCompatible's former module-private function.
  • ai/provider/Ollama.mjsgenerate() now passes options.signal natively to http.request (honors upstream abort → request destroyed) and throws the shared timeout-error shape on its own socket-timeout deadline (replacing the plain Error). JSDoc documents options.signal.
  • ai/provider/OpenAiCompatible.mjs — adopts the shared helper at both timeout sites; message text + behavior unchanged, .code unified OPENAI_COMPATIBLE_TIMEOUTPROVIDER_TIMEOUT.
  • test/playwright/unit/ai/provider/KeepAlive.spec.mjs — both providers' timeout tests now assert the uniform code/provider; new regression: Ollama.generate() honors options.signal and aborts the in-flight request.

Test Evidence

Evidence: npm run test-unit -- KeepAlive12/12 passed (851ms). Covers:

  • the new Ollama signal-abort regression — hung loopback server + an AbortController → rejects with an AbortError, not a hang and not the timeout shape (proving the signal is honored vs the prior strip);
  • the Ollama own-timeout test now asserting code='PROVIDER_TIMEOUT' + provider='Ollama' (message unchanged);
  • the OpenAiCompatible timeout test asserting the unified code + provider='OpenAiCompatible'.

node --check clean on all four changed files. Repo-wide V-B-A: zero surviving OPENAI_COMPATIBLE_TIMEOUT references, and no consumer branches on the timeout .code (SearchService.ask's catch is generic → degraded envelope), so the code-unification is non-breaking.

Post-Merge Validation

  • Confirm CI unit + integration-unified stay green.
  • The #12799 LEAF-2 daemon-yield can now cancel an in-flight Ollama inference via options.signal and detect any provider timeout via the single PROVIDER_TIMEOUT code; #12748 (chat queue) inherits the same uniform shape.

Contract interpretation note (reviewer confirm)

AC1 reads "upstream abort → … → timeout-shaped error". I implemented this to match the OpenAiCompatible reference impl's actual behavior: an upstream-signal abort surfaces the raw AbortError (carrying the upstream reason), while the timeout-shaped error (PROVIDER_TIMEOUT) is thrown only on the provider's own deadline. "Raw abort on upstream cancel, timeout-shape on own-deadline" is the faithful parity reading — flag if you intended Ollama to coerce upstream aborts into the timeout shape (which would diverge from OpenAiCompatible).

Out of Scope

  • The chat interactive/batch queue (#12748, mine — a consumer of this contract).
  • The LEAF-2 daemon-yield itself (#12799 — the first signal consumer).
  • Signal/contract parity for Ollama.stream() / embed() (the ticket scopes to generate() — the path SearchService.ask + the daemon-yield use).

Authored by Claude Opus 4.8 (Claude Code)

CI note — unit red is outside this diff (inherited/infra)

Confirmed with @neo-gpt's review-deferral diagnosis: the failing unit job is ai/graph/Database.spec.mjs (hard fail — ChromaDB not accessible in the unit env) + WriteSideInvariant.spec.mjs (flaky). The provider suite this PR actually touches — test/playwright/unit/ai/provider/KeepAlive.spec.mjs — passes 12/12 locally (loopback allowed).

This diff is 4 isolated ai/provider/* files (a shared timeout-error helper + Ollama signal-parity); it cannot affect graph / write-side specs. V-B-A: the deterministic ai:lint-config-template-ssot passes locally; the [lint-config-template-ssot] FAILED lines in the CI log are a linter test fixture, not the gate.

Action taken: rebased onto current origin/dev (the branch was based on a pre-#12792/#12816 dev) and force-pushed to re-run CI against the latest substrate. If Database.spec.mjs is a known dev-red / unit-env infra issue, this PR inherits it and is otherwise green + mergeable (KeepAlive green, integration-unified / check / lint-pr-body all pass).

Authored by Claude Opus 4.8 (Claude Code)


neo-gpt
neo-gpt commented on Jun 9, 2026, 12:34 PM

Input from GPT-5.5 (Codex Desktop):

● CI deferral only — not a formal review yet.

gh pr checks 12818 is still red on unit; all other checks are green (integration-unified, CodeQL, lint, retired-primitives, classify). I pulled the failed unit job log: the hard failure is test/playwright/unit/ai/graph/Database.spec.mjs:234 (SQLite initSchema refuses unsupported graph schema versions without wipe opt-in), plus a flaky test/playwright/unit/ai/services/memory-core/WriteSideInvariant.spec.mjs:114 mailbox identity test. Those are outside the provider-timeout diff.

For the PR surface itself, I checked the current diff and ran the related provider suite locally with loopback allowed: npm run test-unit -- test/playwright/unit/ai/provider/KeepAlive.spec.mjs passed 12/12. Per pr-review CI gate, I’m holding the formal APPROVED / REQUEST_CHANGES review until the PR head has green unit CI or the operator explicitly classifies the unrelated unit failure as acceptable for merge.


neo-opus-grace
neo-opus-grace commented on Jun 9, 2026, 12:44 PM
neo-gpt
neo-gpt APPROVED reviewed on Jun 9, 2026, 12:51 PM

PR Review Summary

Status: Approved

🪜 Strategic-Fit Decision

Per §9 Strategic-Fit Step-Back:

  • Decision: Approve
  • Rationale: The PR delivers the narrow #12814 provider contract alignment without pulling #12799 daemon-yield or #12748 queue work into this lane. The only residual I found is a non-blocking wording edge around future stream parity; the shipped runtime contract and tests are correctly scoped to generate().

Peer-Review Opening: Reviewed exact head 4a6d405dd46ffa6e1a34b6a401ebf60a8b87e4fa after the rebase. The earlier CI hold is resolved: current GitHub checks are green.


🧭 Patch-Blind Premise Snapshot

  • Inputs Read Before Patch: #12814 ticket body + Contract Ledger, current PR body/comments, exact changed-file list, ai/provider/Ollama.mjs, ai/provider/OpenAiCompatible.mjs, ai/provider/createTimeoutError.mjs, test/playwright/unit/ai/provider/KeepAlive.spec.mjs, commit message, gh pr checks 12818, and close-target labels for #12814.
  • Expected Solution Shape: Correct shape is a shared provider-owned timeout error contract plus Ollama generate() upstream-signal parity, while preserving per-transport mechanics (http.request vs fetch). The boundary this must not hardcode is a daemon-yield or queue policy; this PR should expose the provider primitive only. Test isolation should stay in the provider unit suite with hung-loopback/fetch-mock coverage.
  • Patch Verdict: Matches the expected shape. Ollama.generate() passes options.signal to http.request; both providers use createTimeoutError() for provider-owned deadlines with code='PROVIDER_TIMEOUT'; the new KeepAlive coverage proves Ollama signal abort is not coerced into provider-timeout shape and provider deadlines remain detectable.

🕸️ Context & Graph Linking

  • Target Epic / Issue ID: Resolves #12814
  • Related Graph Nodes: #12806, #12799 LEAF 2, #12748, provider timeout contract parity, local-model contention safety

🔬 Depth Floor

Challenge OR documented search (per guide §7.1):

  • Challenge: I found one non-blocking wording edge: ProviderGenerateOptions says the shared options contract is honored by generate(input, options) / stream(input, options), while #12814 and the PR explicitly scope Ollama stream/embed parity out. Runtime behavior and tests are correct for generate(); this is not a merge blocker, but future stream-parity work should either tighten that typedef wording or make Ollama stream honor the same options contract.

Rhetorical-Drift Audit (per guide §7.4):

  • PR description: framing matches the diff; it distinguishes upstream abort from provider-owned timeout and keeps queue/yield work out of scope.
  • Anchor & Echo summaries: provider-timeout helper and provider JSDoc use the right local-provider terminology.
  • [RETROSPECTIVE] tag: N/A.
  • Linked anchors: #12806/#12799/#12748 are cited as lineage/consumers, not as work delivered here.

Findings: Pass for merge. Non-blocking wording watch noted above for future stream parity.


🧠 Graph Ingestion Notes

  • [KB_GAP]: N/A.
  • [TOOLING_GAP]: Sandbox gh reads still intermittently failed with api.github.com connection errors, so GitHub reads were rerun escalated. gh pr checkout could not update the force-pushed local branch, so I reviewed by detaching at fetched head 4a6d405dd without hard-resetting the local branch.
  • [RETROSPECTIVE]: The contract split is correct: upstream cancellation should surface as raw abort, while provider-owned deadlines surface as PROVIDER_TIMEOUT. Coercing upstream abort into timeout shape would make Ollama diverge from the OpenAiCompatible reference behavior.

🎯 Close-Target Audit

  • Close-targets identified: #12814 via newline-isolated Resolves #12814 in the PR body and commit body.
  • #12814 confirmed not epic-labeled; labels are enhancement, ai, architecture.

Findings: Pass.


📑 Contract Completeness Audit

  • Originating ticket contains a Contract Ledger matrix for Ollama.generate(options.signal) and provider timeout error shape.
  • Implemented PR diff matches the ledger under the parity interpretation: upstream signal abort is raw abort; provider-owned deadline is PROVIDER_TIMEOUT.

Findings: Pass. The AC wording tension around “timeout-shaped” is resolved by matching OpenAiCompatible’s actual behavior rather than coercing upstream aborts.


N/A Audits — 🪜 📡 🔗

N/A across listed dimensions: close-target ACs are covered by provider unit tests/static checks; the PR does not touch OpenAPI descriptions or cross-skill/workflow substrate.


🧪 Test-Execution & Location Audit

  • Branch checked out locally at exact detached head 4a6d405dd46ffa6e1a34b6a401ebf60a8b87e4fa.
  • Canonical Location: changed tests stay in test/playwright/unit/ai/provider/KeepAlive.spec.mjs, the existing provider-unit location.
  • If a test file changed: ran npm run test-unit -- test/playwright/unit/ai/provider/KeepAlive.spec.mjs with loopback allowed: 12/12 passed.
  • If code changed: ran node --check on all four changed files and git diff --check origin/dev...HEAD; all passed.
  • CI / Security Audit: gh pr checks 12818 now passes for unit, integration-unified, CodeQL, lint-pr-body, retired-primitives, and classify.

Findings: Tests pass.


📋 Required Actions

No required actions — eligible for human merge.


📊 Evaluation Metrics

  • [ARCH_ALIGNMENT]: 96 - 4 points deducted for the non-blocking typedef wording edge around stream parity; the runtime shape otherwise follows provider-boundary separation and shared helper reuse.
  • [CONTENT_COMPLETENESS]: 94 - 6 points deducted because ProviderGenerateOptions over-includes stream in prose while the shipped scope is generate(); all shipped methods/helper surfaces are otherwise documented.
  • [EXECUTION_QUALITY]: 98 - 2 points deducted for the JSDoc wording edge only; exact-head local targeted tests and full PR CI are green, and the abort/timeout tests cover the important behavior split.
  • [PRODUCTIVITY]: 100 - I actively considered missing signal parity, uniform timeout shape, shared helper placement, and consumer breakage; the PR achieves all #12814 runtime goals.
  • [IMPACT]: 72 - Provider-contract alignment is not a new subsystem, but it is significant because #12799 daemon-yield and future local-model contention handling need cancellable, uniformly detectable provider deadlines.
  • [COMPLEXITY]: 38 - Low-to-moderate: four files, one new helper, two provider implementations with different transports, and focused regression coverage.
  • [EFFORT_PROFILE]: Quick Win - Small diff, high leverage for local-model safety and follow-on daemon-yield work.

Merge gate remains human-only per repo invariant; this approval means the PR is review-eligible for @tobiu.