feat(api): abort signal support for openai, openai-compatible base, zai, kimi-code (round 2) by easonLiangWorldedtech · Pull Request #1311 · Zoo-Code-Org/Zoo-Code

easonLiangWorldedtech · 2026-08-20T21:20:34Z

Related GitHub Issue

Closes #404 — the OpenAI-compatible cancellation objective, for the OpenAI provider family implemented in this PR (openai, base-openai-compatible-provider and its inheritors, zai, kimi-code).

This PR covers only the OpenAI-family portion of the broader provider sweep; the remaining scope lands via sibling PRs in this series:

Part of feat(api): abort signal pass-through for simple providers #616 — openai-codex feat(api): abort signal support for openai-codex (completePrompt + createMessage) #1290; openai-native + openai-compatible feat(api): abort signal support for openai-native and openai-compatible (completePrompt + createMessage) #1291; anthropic + anthropic-vertex + xai + minimax feat(api): abort signal support for anthropic, anthropic-vertex, xai, minimax #1293; unbound + vercel-ai-gateway + zoo-gateway feat(api): abort signal support for opencode-go, unbound, vercel-ai-gateway, zoo-gateway #1295; native-ollama feat(api): abort signal support for native-ollama (completePrompt + createMessage) #1299; vscode-lm feat(api): abort signal support for vscode-lm (completePrompt + createMessage) #1300; gemini + mistral + lite-llm feat(api): abort signal support for gemini, mistral, lite-llm (completePrompt + createMessage) #1303; lm-studio + qwen-code feat(api): abort-signal wiring for lm-studio and qwen-code (round 2) #1309; poe + requesty feat(api): abort signal support for poe (completePrompt + createMessage) #1535/feat(api): abort signal support for requesty (completePrompt + shared helpers) #1537/feat(api): abort signal support for requesty (createMessage + kill tests) #1538; openrouter feat(api): abort signal support for openrouter (completePrompt + createMessage) #1545 (bedrock already landed on main via feat(api): abort signal support for bedrock (completePrompt + createMessage) #1292).
Part of feat(api): abort signal bridging for openai-native, openai-codex, bedrock, native-ollama #617 — openai-native and openai-codex via feat(api): abort signal support for openai-native and openai-compatible (completePrompt + createMessage) #1291 and feat(api): abort signal support for openai-codex (completePrompt + createMessage) #1290; bedrock already landed on main via feat(api): abort signal support for bedrock (completePrompt + createMessage) #1292; native-ollama via feat(api): abort signal support for native-ollama (completePrompt + createMessage) #1299.
Part of feat(api): abort signal for vscode-lm, gemini, mistral (SDK-specific quirks) #618 — vscode-lm via feat(api): abort signal support for vscode-lm (completePrompt + createMessage) #1300; gemini and mistral via feat(api): abort signal support for gemini, mistral, lite-llm (completePrompt + createMessage) #1303.

Description

Round 2 of the abort-signal series: wires request-cancellation signals through the OpenAI family of providers.

openai.ts: all five client.chat.completions.create sites (createMessage streaming + non-streaming, O3-family streaming + non-streaming, completePrompt) build their request config through RequestConfigBuilder, adopted from the start of this PR — the Azure AI Inference path option and the abort signal compose in one builder (setOption("path", ...) + setAbortSignal). Every catch now normalizes abort failures to the Task.ts contract shape (name === "AbortError", message ending in aborted) via an abort-aware handleOpenAIRequestError, while non-abort errors keep the existing provider-prefix wrap. Both streaming loops (the main createMessage path and the O3-family handleStreamResponse) gain the loop-defense contract: a top-of-loop break stops processing buffered chunks that arrived after the caller's abort, and a post-loop check surfaces the Task.ts abort contract when the stream would otherwise end normally on an already-aborted signal.
base-openai-compatible-provider.ts: the shared createMessage / createStream / completePrompt path adopted RequestConfigBuilder for signal forwarding and gains the exported abort-aware error helper handleOpenAIRequestError (reused by zai.ts). Subclasses that do not override these methods (fireworks, sambanova, baseten) inherit the wiring, including the streaming loop's top-of-loop break and post-loop abort check.
zai.ts: audit finding fixed — the GLM thinking path in createStream no longer drops requestOptions; the thinking path and the glm-5.3 completePrompt path forward a merged signal (external signal + timeoutMs via mergeAbortSignalAndTimeout).
kimi-code.ts: completePrompt no longer drops CompletePromptOptions — options are forwarded on both the initial call and the 401 OAuth retry. createMessage inherits the openai.ts wiring via metadata passthrough.

Design notes:

CompletePromptOptions is not assignable to ApiHandlerCreateMessageMetadata (required taskId) — gap G7 — so completePrompt paths use setOption("signal", mergeAbortSignalAndTimeout(...)) instead of setAbortSignal(metadata).
Gap G5 (zero timeout must mean "no explicit timeout"): mergeAbortSignalAndTimeout treats timeoutMs <= 0 as no timeout internally, so a timeoutMs: 0 call site passes no signal rather than a timeout that would abort immediately.
The OpenAI SDK v5 RequestOptions type does not satisfy the builder's RequestConfigOptionsBase constraint (its headers/signal shapes differ), so each provider declares a minimal local OpenAiRequestConfig shape as the builder generic parameter.
Each call builds a fresh request-local config (no class-field abort controller), and the per-entry-point throwIfAborted guard rejects before any network I/O when the signal is already aborted.

This branch is STACKED on #1288: the foundation commit e61feb13e (generic RequestConfigBuilder, mergeAbortSignalAndTimeout, mergeAbortSignals, throwIfAborted) rides inside by design.

Test Procedure

pnpm --dir src exec vitest run api/providers/__tests__/openai.spec.ts api/providers/__tests__/base-openai-compatible-provider.spec.ts api/providers/__tests__/zai.spec.ts api/providers/__tests__/kimi-code.spec.ts — all green. New per-provider "abort signal wiring" suites cover: signal identity at every create site (including Azure path composition), signal + timeout merging, the timeoutMs: 0 guard, pre-aborted rejection before any request, SDK APIUserAbortError and fetch-level AbortError normalization to the Task.ts contract shape, and non-abort provider-prefix wrap regression. Deferred-chunk kill tests (2 in openai.spec.ts incl. the O3-family path, 1 in the base spec) prove the loop defense structurally: the second chunk is released only after the abort, so the top-of-loop break is the only thing that prevents the leak (asserted via a leaked collection), and captureError proves the post-loop check rejects with the contract message rather than a normal stream end.
100% changed-line coverage for the four provider files, measured with vitest run <specs> --coverage (v8/lcov) and cross-referenced against the git diff added lines.
pnpm --dir src exec tsc --noEmit — exit 0.
pnpm --dir src exec eslint --prune-suppressions --max-warnings=0 <changed files> — zero warnings; one stale suppression entry pruned (kimi-code.spec.ts @typescript-eslint/no-explicit-any 1 -> 0, the spec rewrite removed the only as-any cast); no suppression count increased.

Pre-Submission Checklist

Issue Linked: This PR is linked to an approved GitHub Issue (see "Related GitHub Issue" above).
Scope: My changes are focused on the linked issue (abort-signal wiring for the OpenAI provider family only; the four providers and their specs).
Self-Review: I have performed a thorough self-review of my code.
Testing: New and/or updated tests have been added to cover my changes (if applicable).
Visual Snapshot (UI changes only): N/A — no UI changes.
Documentation Impact: I have considered if my changes require documentation updates (see "Documentation Updates" section below).
Contribution Guidelines: I have read and agree to the Contributor Guidelines.

Documentation Updates

No documentation updates are required.
Yes, documentation updates are required. (Please describe what needs to be updated or link to a PR in the docs repository.)

Gate evidence (local, pre-push at `393b516`)

align check (zdt, unit = this PR's provider set): the 4 streaming-loop ERRORs on this unit's own loops (openai.ts + base-openai-compatible-provider.ts: missing top-of-loop check / missing post-loop check) are cleared by the loop defense above. Residual ERRORs on nanogpt.ts are main-side drift, not this unit: the file is byte-identical to upstream/main (introduced by main fix(nanogpt): preserve optional tool parameters #1590 after this branch's fork point) and is outside the unit's scope. The 8 other series units share the same loop-defense gap; series-wide application is a separate maintainer decision.
split contract / verify (zdt, kind=new, design-issue [BUG] Stop does not work on OpenAI Compatible API Provider #404): no duplicate symbols, no foreign content. The only violation is budget-hard (1859 a+d vs the 1000 cap) — pre-existing unit scope already accepted through prior review cycles; re-splitting would re-cut already-merged round-1 units.
mutation preflight (local Stryker on the unit delta): 185 valid / 184 killed / 1 timeout / 0 survived / 0 noCoverage. The single timeout is the zai.ts setOption("signal", ...) StringLiteral mutant, a known flake class (the mutant drops the signal, so the abort test can only fail through the vitest timeout).

Additional Notes

Part of the abort-signal series (round 2). Builds on #674, #901, #1008, and #1288. Addresses #404.

In-scope justification for the two non-#404-looking items

Root package.json devDependency vitest 4.1.11: mutation-gate infrastructure — the changed-code mutation gate (Stryker via zdt) must resolve a vitest binary at the repository root to run this PR's gate (commit 0703c58), and the 4.1.11 pin is the CI dependency-review advisory bump (commit 4238bd1). It is the mechanism by which this PR's [BUG] Stop does not work on OpenAI Compatible API Provider #404 changes are gate-verified, not a functional change.
MiniMax base_resp re-typing: the hunk is inside this PR's new abort-aware streaming loop in base-openai-compatible-provider.ts — the same change adds the top-of-loop if (signal?.aborted) break defense and the try wrapper that normalizes abort errors raised during stream iteration ([BUG] Stop does not work on OpenAI Compatible API Provider #404 round 2, commits 393b516 and 35c95ea). The previous chunk as any read was re-typed with an unknown guard in that restructure; behavior is preserved (same status_code/status_msg semantics and error message shape), covered by the base_resp stream-error path test (commit 217f120).

Updated 2026-10-11 (head `6e46bc78c`)

Merged current upstream/main (995167eed) (merge commit 6e46bc78c), clearing the has-conflicts state.
One conflict resolved: base-openai-compatible-provider.spec.ts — main prettier-collapsed the custom-model assertion to one line; this branch extends it to pin the two-argument create(body, requestConfig) call shape (the abort wiring's contract). The two-argument assertion is kept (it doesn't fit one line, so main's reformat doesn't apply to it).

Verification at this head: affected provider/fetcher/util specs 512/514 passed — the 2 failures are strict: true default-path cases and are a local-environment artifact: this worktree's @roo-code/types resolves through a junction to a donor tree that predates the strict-tool-schemas export, so DEFAULT_OPEN_AI_STRICT_TOOL_SCHEMAS is undefined at runtime there. The full strict-schema suite (8 tests) passes on a fresh-install worktree against the same main merge, and the merged production strict path is byte-identical to main's. ESLint --max-warnings=0 clean on the resolved file; tsc shows only stale-donor missing-export artifacts (0 merge-caused errors in touched files); Prettier clean; src/eslint-suppressions.json strictly below main (this PR removes one entry and lowers one count). No new as any, no changeset/CHANGELOG files.

Updated this round (2026-10-13)

Merged current upstream main into the branch to clear the dirty state. Main's model-cache redesign (handler.fetchModels(options, signal) + getModelCacheScope) superseded this branch's signal threading through the modelCache fetcher-dispatch switch, so fetchers/modelCache.ts and its spec took main's versions wholesale — the kimi signal forwarding the branch's two modelCache spec tests pinned now lives at the fetcher level (fetchers/kimi-code.spec.ts) and at the call site (options.signal feeds the pre-abort fast-fail). In kimi-code.ts both sides' imports were merged and the discovery call site combined: main's handler argument plus the branch's options.signal.

Verification at this head: 512/512 green across the eleven touched specs; tsc --noEmit → 0 errors; per-file ESLint (--max-warnings=0) clean; prettier --check clean on touched files.

Updated this round (2026-10-13, review follow-up)

Discovery cancellation no longer consumes the single attempt: the catch in prepareRequest resets modelDiscoveryAttempted only for cancellations (isRequestAborted against the caller's signal), so a later request on the same handler retries discovery instead of keeping fallback metadata; ordinary discovery failures keep the one-attempt behavior.
New test aborts during getModels and asserts a second request rediscovers (negative control verified; order-independent fetch stub).

Verification at this head: 25/25 green in kimi-code.spec.ts; tsc --noEmit → 0 errors; per-file ESLint (--max-warnings=0) clean; prettier --check clean on touched files.

Design contract: cancellation stops the underlying OpenAI-compatible HTTP request (Issue #404)

Registered evidence for the pre-merge Linked-Issues check at head 7f085ab:

createMessage hands the caller's metadata.abortSignal to the inherited OpenAI SDK request as chat.completions.create(params, { signal }) — the SDK passes RequestOptions.signal straight to fetch, so a cancellation aborts the in-flight HTTP request at the transport level, not merely stream consumption. Pinned by the test "forwards the metadata abort signal to the inherited OpenAI SDK request", which asserts the SDK call receives the exact caller signal instance.
completePrompt passes mergeAbortSignalAndTimeout(options.abortSignal, options.timeoutMs) as the SDK request's signal (RequestConfigBuilder .setOption("signal", ...) in the shared OpenAI wiring), pinned by "forwards completePrompt abort options and timeoutMs through the override on both 401 retry attempts".
Pre-flight guards (throwIfAborted before token/discovery work and before the SDK call, plus the post-prepare re-check) ensure a cancelled request never issues a POST — pinned by "rejects before any request when the createMessage abort signal is already aborted" and "stops before the completion request when the signal aborts during model preparation".
Post-loop abort defenses reject any content that raced the cancellation with the contract AbortError (name === "AbortError").

Stryker directive removal (equivalence notes)

Five directives removed (base-openai-compatible-provider.ts 3, openai.ts 2):

ConditionalExpression,LogicalOperator on the baseResp object guard: equivalent for all JSON-reachable baseResponse values (only null/object/number/string/boolean reach it; each mutant agrees with the original on every one).
ConditionalExpression on baseRespStatusCode !== 0: a truthy statusCode is necessarily !== 0, so deleting the check cannot change the branch outcome.
ConditionalExpression,EqualityOperator on the tool_calls guard: with an empty activeToolCallIds the guard is the only bail; the mutants keep identical behavior for the covered finish reasons.
LogicalOperator (&& -> ||) on the strict-tool-schemas option read (x2): an unset option makes && yield undefined, which the parameter default in convertToolsForOpenAI turns back into the same strict value as ?? - equivalent.

Timeout guard hardening (helper port)

Port of the #1300 CodeRabbit finding to the shared mergeAbortSignalAndTimeout helper: non-finite timeoutMs (Infinity) now means "no timeout" instead of throwing ERR_OUT_OF_RANGE from AbortSignal.timeout, and finite delays are capped at 2^31-1 ms (Node clamps larger delays to 1ms, which aborted requests almost immediately). Regression tests added; negative controls fail exactly the two new tests. Identical helper fix lands in every unit of the abort series (merge-order aware); canonical copy in #1293.

Fractional-timeout rounding wave

Follow-up CR round: Node validates AbortSignal.timeout delays as uint32, so finite fractions (1500.5, 0.5) threw ERR_OUT_OF_RANGE like Infinity did. mergeAbortSignalAndTimeout now rounds delays up (a positive fraction never becomes 0 ms) before capping at 2^31-1 ms; regression test mergeAbortSignalAndTimeout(undefined, 1.5). Identical helper patch in every unit of the series (merge-order aware, canonical in #1293).

Assertion strengthening (rounding wave follow-up)

The fractional-timeout test now spies AbortSignal.timeout and pins the received delay (2 for 1.5, 1 for 0.5, never 0) instead of only asserting no-throw plus eventual abort; a round-down mutation (Math.ceil -> Math.floor) fails exactly this test. Identical patch in every unit of the series (canonical in #1293).

Pre-merge checks: Kimi discovery cancellation (`6088f40`)

Linked Issues error fixed: KimiCodeHandler.fetchModels now forwards cancellation (explicit model-cache signal, else options.signal) to getKimiCodeModels, so cancellation during handler-driven discovery aborts the in-flight discovery HTTP request (Issue #404). Regression Evidence warning fixed: the discovery-retry test asserts getModels receives the caller signal, and rejected-Promise request-creation cases (mockRejectedValueOnce(new APIUserAbortError())) added for the awaited create() paths in base-openai-compatible-provider and zai - the sync-throw-only tests passed even with the await removed. Negative controls: reverting the forwarding, dropping the signal, and removing each await each fail exactly one test.

Lifecycle Resource Cleanup warning (optional per CR): the discovery half is fixed above; the OAuth-refresh half (threading the signal through resolveAccessToken -> kimiCodeOAuthManager -> refreshKimiCodeAccessToken -> postForm) lives in src/integrations/kimi-code/oauth.ts, outside this unit's diff - registered as a follow-up for the OAuth owner.

…ssion tests Add a fast-fail throwIfAborted guard to the shared abort-signal utilities and regression tests for the CompletePromptOptions interface (added by Zoo-Code-Org#901).

…ai, kimi-code (round 2) Round 2 of the abort-signal series: wires request-cancellation signals through the OpenAI family of providers (addresses Zoo-Code-Org#404). - openai.ts: all five client.chat.completions.create sites (createMessage streaming + non-streaming, O3-family streaming + non-streaming, completePrompt) build their request config through RequestConfigBuilder; the Azure AI Inference path option and the abort signal compose in one builder (setOption("path", ...) + setAbortSignal). Every catch normalizes abort failures to the Task.ts contract shape (name === "AbortError", message ending in "aborted") via an abort-aware handleOpenAIRequestError; non-abort errors keep the existing provider-prefix wrap. - base-openai-compatible-provider.ts: the shared createMessage / createStream / completePrompt path adopts RequestConfigBuilder for signal forwarding and gains the exported abort-aware error helper handleOpenAIRequestError (reused by zai.ts); subclasses that do not override these methods inherit the wiring. - zai.ts: audit finding fixed - the GLM thinking path in createStream no longer drops requestOptions; the thinking path and the glm-5.3 completePrompt path forward a merged signal (external signal + timeoutMs via mergeAbortSignalAndTimeout). - kimi-code.ts: completePrompt no longer drops CompletePromptOptions - options are forwarded on both the initial call and the 401 OAuth retry. - Design notes: CompletePromptOptions is not ApiHandlerCreateMessageMetadata (required taskId, gap G7), so completePrompt paths use setOption("signal", mergeAbortSignalAndTimeout(...)) instead of setAbortSignal(metadata); gap G5 - mergeAbortSignalAndTimeout treats timeoutMs <= 0 as no explicit timeout. Each call builds a fresh request-local config (no class-field abort controller) with a per-entry-point throwIfAborted guard that rejects before any network I/O. - eslint-suppressions.json: one stale suppression entry pruned (kimi-code.spec.ts @typescript-eslint/no-explicit-any 1 -> 0 - the spec rewrite removed the only as-any cast); no suppression count increased. This branch is STACKED on open PR Zoo-Code-Org#1288: the foundation commit e61feb1 (generic RequestConfigBuilder, mergeAbortSignalAndTimeout, mergeAbortSignals, throwIfAborted) rides inside by design.

coderabbitai · 2026-08-20T21:21:23Z

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src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
src/api/providers/__tests__/kimi-code.spec.ts
src/api/providers/__tests__/model-catalog-adapters.spec.ts
src/api/providers/__tests__/zai.spec.ts
src/api/providers/kimi-code.ts

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Treat model, provider, MCP, path, command, and tool data as untrusted.

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src/api/providers/__tests__/model-catalog-adapters.spec.ts
src/api/providers/kimi-code.ts
src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
src/api/providers/__tests__/kimi-code.spec.ts
src/api/providers/__tests__/zai.spec.ts

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src/api/providers/__tests__/model-catalog-adapters.spec.ts
src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
src/api/providers/__tests__/kimi-code.spec.ts
src/api/providers/__tests__/zai.spec.ts

Check strict typing and exhaustive behavior across normal, boundary, error, cancellation, retry, and compatibility paths.

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src/api/providers/__tests__/model-catalog-adapters.spec.ts
src/api/providers/kimi-code.ts
src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
src/api/providers/__tests__/kimi-code.spec.ts
src/api/providers/__tests__/zai.spec.ts

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src/api/providers/__tests__/model-catalog-adapters.spec.ts
src/api/providers/kimi-code.ts
src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
src/api/providers/__tests__/kimi-code.spec.ts
src/api/providers/__tests__/zai.spec.ts

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src/api/providers/__tests__/model-catalog-adapters.spec.ts
src/api/providers/kimi-code.ts
src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
src/api/providers/__tests__/kimi-code.spec.ts
src/api/providers/__tests__/zai.spec.ts

🔇 Additional comments: 2

src/api/providers/__tests__/zai.spec.ts: 1

683-703: LGTM!

src/api/providers/__tests__/base-openai-compatible-provider.spec.ts: 1

427-444: LGTM!

📝 Summary

Summary by CodeRabbit

Bug Fixes
- Improved cancellation and timeout handling for AI provider requests, including streaming responses, prompt completions, and retries. Already-cancelled requests are rejected promptly, and timeouts are reported distinctly.
- Improved error reporting for provider failures and malformed responses.
- Preserved usage information when later streaming updates omit it, and improved handling of incomplete stream updates.
- Kimi Code model discovery now respects cancellation and can be retried after cancellation.
- Corrected handling of invalid and fractional timeout values.

Provider request paths now forward cancellation signals and completion timeouts, normalize abort and timeout errors, and stop stream processing after cancellation. Kimi Code also passes cancellation through model discovery and OAuth retries.

Changes: Provider cancellation and request handling

Layer / File(s)	Summary
Shared abort handling `src/api/providers/utils/`, `src/test-utils/`, `package.json`, `src/eslint-suppressions.json`	Adds provider-specific abort and timeout normalization, validates timeout values, and adds supporting tests and helpers.
OpenAI-compatible requests and streams `src/api/providers/base-openai-compatible-provider.ts`, `src/api/providers/__tests__/base-openai-compatible-provider*.spec.ts`	Forwards abort and timeout options, stops streams after cancellation, preserves usage, and validates stream response data.
OpenAI request configuration `src/api/providers/openai.ts`, `src/api/providers/__tests__/openai.spec.ts`	Applies abort-aware options to chat, O-series, Azure AI Inference, and completion requests.
Z.ai request options `src/api/providers/zai.ts`, `src/api/providers/__tests__/zai.spec.ts`	Forwards abort and timeout options through thinking-model streams and GLM-5.3 completions.
Kimi Code cancellation and retries `src/api/providers/fetchers/kimi-code.ts`, `src/api/providers/kimi-code.ts`, `src/api/providers/__tests__/kimi-code.spec.ts`, `src/api/providers/fetchers/__tests__/kimi-code.spec.ts`	Passes cancellation to model discovery, request preparation, OAuth retries, and inherited completions.

Priority: ➖ Normal

Estimated code review effort: 4 (Complex) | ~45 minutes

Change: Feature · Severity of issue fixed: Medium

Sequence Diagram(s)

sequenceDiagram
  participant Caller
  participant Provider
  participant Request
  participant ErrorHandler
  Caller->>Provider: start request with AbortSignal
  Provider->>Request: forward signal and timeout
  Request-->>Provider: stream data or abort error
  Provider->>ErrorHandler: normalize request error
  ErrorHandler-->>Caller: AbortError or TimeoutError

Merge Risk: ⚪ Minimal · up to 6088f

The shared completion request now honors its configured timeout. No outstanding issue identified here prevents merging after normal checks.

Security Architecture Review

Security architecture risk: 🔵 Low · up to cd525

Cancellation controls improve without a demonstrated expansion of access or credential privileges. Remaining uncertainty concerns cancellation during stalled responses and retries, plus inconsistent error handling in an inherited provider.

Retained concerns
No architecture-level concerns identified.

Security review details

Security Blast Radius

inferred — The inspected change affects outgoing requests and returned stream content for configured provider accounts. Cancellation remains request-local; the inspected paths do not introduce a new identity selector or credential privilege.

Trust Boundaries and Controls

observed — Task cancellation authority is maintained independently of provider error names: abortTask sets cancellation state synchronously and deduplicates teardown; request construction and automatic retry paths check that state.
observed — The unchanged Kimi OAuth manager shares one refresh promise and uses credential-generation checks around secret-store updates. Clearing credentials advances the generation and waits for an active refresh, providing counterevidence against cancellation forwarding introducing an unguarded credential-restoration transition.

Resilience and Maintainability Implications

inferred — Signal forwarding and loop guards improve cancellation containment, but source-level guards alone do not prove prompt settlement or response-body release when an iterator pull remains pending. Runtime cleanup and concurrent Kimi request isolation remain coverage gaps, not established vulnerabilities.

Hardening Proposals

proposed — Validate cancellation against the real transport with delayed response bodies, pending iterator pulls, cleanup observation, and cancellation during OAuth preparation. Include native AbortError timeout classification and inherited request-creation overrides in contract validation.

Pre-merge checks: 7 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Lifecycle Resource Cleanup		Kimi cancellation still leaves OAuth refresh work active. The changed `createMessage` and `completePrompt` paths pass the caller signal into `prepareRequest` (`src/api/providers/kimi-code.ts:112-145`)…	Thread the caller `AbortSignal` through `resolveAccessToken`, `KimiCodeOAuthManager.getAccessToken` and `forceRefreshAccessToken`, `refreshKimiCodeAccessToken`, and `postForm`. Pass it to the OAuth fetch and preserve timer and listener clea…

Passed checks: 7 passed

Check name	Status	Explanation
Regression Evidence		The standing regression gaps are covered in the current PR. `kimi-code.spec.ts:386-416` asserts that handler-driven discovery receives `{ signal: controller.signal }`, while `kimi-code.ts:82-86` forwa…
Security Boundaries		PASS. The changed implementation paths only add abort-signal, timeout, stream, and Kimi model-discovery handling. `src/api/providers/openai.ts`, `base-openai-compatible-provider.ts`, `zai.ts`, and `ki…
Persistence Integrity		No changed persistence path exists. The implementation changes only request cancellation, timeout handling, stream processing, and Kimi model discovery. Kimi discovery updates the in-memory `this.mode…
Linked Issues check		The PR explicitly closes approved issue `#404` and explains its relationship to the broader provider-sweep issues.
Out of Scope Changes check		The changes match the OpenAI-family cancellation objective. The Vitest dependency and MiniMax base_resp typing changes have specific in-scope justifications, and no unrelated functional changes are id…
Title check		The title clearly identifies the main change: adding abort-signal support to the OpenAI provider family. It is specific and concise.
Description check		The description includes the linked issues, implementation details, test procedure, checklist, documentation status, and additional review evidence. It is complete and directly related to the changes.

Full details: Regression Evidence

Explanation

The standing regression gaps are covered in the current PR. kimi-code.spec.ts:386-416 asserts that handler-driven discovery receives { signal: controller.signal }, while kimi-code.ts:82-86 forwards that signal to getModels. base-openai-compatible-provider.spec.ts:427-444 and zai.spec.ts:683-703 use rejected Promise request creation and assert normalized AbortError; the implementations await request creation in base-openai-compatible-provider.ts:115-119 and zai.ts:131-137. The focused suites also cover pre-abort, mid-stream abort, timeout, unset/zero timeout, non-abort errors, and provider-specific stream error branches. No explicit regression-evidence failure remains. Prior failure addressed: The PR adds the missing Kimi discovery-signal assertion and rejected-Promise request-creation tests for both the base provider and Z.ai, with assertions for normalized AbortError behavior.

Full details: Security Boundaries

Explanation

PASS. The changed implementation paths only add abort-signal, timeout, stream, and Kimi model-discovery handling. src/api/providers/openai.ts, base-openai-compatible-provider.ts, zai.ts, and kimi-code.ts pass signals and fixed request options to the SDK. src/api/providers/fetchers/kimi-code.ts adds caller cancellation to an existing authenticated fetch. error-handler.ts only normalizes errors. The diff adds no secret or PII logging, dynamic execution, approval bypass, or allowlist bypass. The only dependency change is the development-only vitest entry in package.json.

Full details: Persistence Integrity

Explanation

No changed persistence path exists. The implementation changes only request cancellation, timeout handling, stream processing, and Kimi model discovery. Kimi discovery updates the in-memory this.models; its authScoped: true cache scope bypasses disk caching. The changed files add no persistence writes, non-atomic writes, rollback paths, or persisted defaults.

Full details: Out of Scope Changes check

Explanation

The changes match the OpenAI-family cancellation objective. The Vitest dependency and MiniMax base_resp typing changes have specific in-scope justifications, and no unrelated functional changes are identified.

Full details: Lifecycle Resource Cleanup

Explanation

Kimi cancellation still leaves OAuth refresh work active. The changed createMessage and completePrompt paths pass the caller signal into prepareRequest (src/api/providers/kimi-code.ts:112-145), but resolveAccessToken calls kimiCodeOAuthManager.getAccessToken() and forceRefreshAccessToken() without that signal (:69-77). Those methods call refreshKimiCodeAccessToken(credentials) without a signal (src/integrations/kimi-code/oauth.ts:242-250), and postForm then owns a fetch and a 30-second timer (:75-97). If an OAuth token is expired, aborting during refresh cannot stop that fetch or timer; the preparation remains active until response or timeout. The model-discovery path now does forward options.signal, so that part of the earlier finding is addressed.

Resolution

Thread the caller AbortSignal through resolveAccessToken, KimiCodeOAuthManager.getAccessToken and forceRefreshAccessToken, refreshKimiCodeAccessToken, and postForm. Pass it to the OAuth fetch and preserve timer and listener cleanup on every settlement path. Keep the existing post-preparation and pre-retry abort checks so cancellation cannot issue completion or retry requests.

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Actionable comments posted: 2

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Inline comments:
In `@src/api/providers/base-openai-compatible-provider.ts`:
- Around line 28-31: Export the OpenAiRequestConfig type declaration so the
named imports in the openai and zai providers resolve correctly. Change only the
type declaration’s visibility and preserve its existing signal field and shape.
- Around line 146-151: Wrap async stream consumption in the relevant method of
the base OpenAI-compatible provider with try/catch, passing iteration errors to
handleOpenAIRequestError(error, this.providerName, metadata?.abortSignal) so
AbortError results are normalized. In
src/api/providers/base-openai-compatible-provider.ts lines 146-151, apply the
handling around the for-await stream iteration; in
src/api/providers/__tests__/base-openai-compatible-provider.spec.ts lines
328-346, add a regression test using an async iterator whose next() rejects with
AbortError and assert the resulting name is AbortError and message is
“TestProvider request aborted”.

Apply the same fix in `@src/api/providers/zai.ts` around lines 126 - 131: The
inherited streaming path can propagate raw abort errors during iteration.

Apply the same fix in `@src/api/providers/openai.ts` around lines 209 - 216: Both
OpenAI streaming paths need iteration-level normalization, including the second
stream handling site.

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src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
src/api/providers/__tests__/complete-prompt-options.spec.ts
src/api/providers/__tests__/kimi-code.spec.ts
src/api/providers/__tests__/openai.spec.ts
src/api/providers/__tests__/zai.spec.ts
src/api/providers/base-openai-compatible-provider.ts
src/api/providers/kimi-code.ts
src/api/providers/openai.ts
src/api/providers/utils/__tests__/abort-signal.spec.ts
src/api/providers/utils/abort-signal.ts
src/api/providers/zai.ts
src/eslint-suppressions.json

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src/eslint-suppressions.json

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…ks and sambanova specs Root cause: the abort-aware completePrompt error path inherited by fireworks and sambanova (base-openai-compatible-provider.ts) references the APIUserAbortError export of the openai SDK, which their specs' partial vi.mock("openai", ...) factories did not define, so the completePrompt error-path tests failed in the CI full suite with 'No "APIUserAbortError" export is defined on the "openai" mock'. The mocks now export APIUserAbortError using the same shape as the other series specs (base-openai-compatible-provider, zai, openai, kimi-code).

Root cause: the creation-site catches only cover chat.completions.create; an abort that surfaces while the async iterator is being consumed (APIUserAbortError / fetch-level AbortError thrown mid-stream) leaked as the raw SDK error, which violates the Task.ts abort contract (an Error whose name is "AbortError" and whose message ends in "aborted"). The stream iteration is now wrapped and normalized through the same abort-aware handleOpenAIRequestError used at the creation sites: - base-openai-compatible-provider.ts: the createMessage for-await loop - openai.ts: the streaming createMessage for-await loop - openai.ts: the o3-family yield* this.handleStreamResponse(stream) The Z.ai thinking path inherits the base createMessage iteration, so it is covered by the base-provider fix. Non-abort iteration errors keep the existing provider-prefix wrap. Adds four regression tests (base, openai streaming, o3-family streaming, zai thinking path) with iterators that reject with APIUserAbortError after yielding the first chunk. Addresses the CodeRabbit pre-merge review comment on PR Zoo-Code-Org#1311.

codecov · 2026-08-20T22:45:29Z

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

…eration wrapper The stream-iteration wrapper added in 35c95ea routes non-abort iteration errors through handleOpenAIRequestError, so a provider base_resp stream error (MiniMax-style inline error chunk) is now rethrown with the provider-prefix wrap ("TestProvider completion error: ...") instead of the raw message. Adds a focused regression test that yields a chunk carrying base_resp and pins the wrapped message.

… openai abort paths The codecov patch report (97.83% at 217f120) flagged 2 partial branch lines (BRDA taken=0 on the ?? / || fallback sides of added lines): - api/providers/base-openai-compatible-provider.ts:171 branch 1 of `${...} ${chunkAny.base_resp.status_msg || "Unknown error"}` - the || "Unknown error" fallback was never exercised; added a focused test yielding a base_resp chunk with status_code set but no status_msg, asserting the wrapped "Unknown error" message. - api/providers/openai.ts:233 branch 1 of `const delta = chunk.choices?.[0]?.delta ?? {}` - the ?? {} fallback (chunk with no delta field) was never exercised; added a focused streaming test yielding a delta-less final chunk and asserting the stream completes without throwing. Full api/providers suite: 1698 passed. No provider code changed.

…o abort-signal utils The OpenAI-family provider PRs (Zoo-Code-Org#1309, Zoo-Code-Org#1311) carry per-provider copies of the same abort-detection helper (isRequestAborted) and the same abort-error constructor (createAbortError); only the provider name in the message differs. Per the CodeRabbit maintainability finding on Zoo-Code-Org#1309 (extract the shared abort helpers into utils/abort-signal.ts), these are now shared in the foundation utility: - isRequestAborted(error, signal?) - true when the caller signal fired, a native AbortError / OpenAI SDK APIUserAbortError was raised, or the message is exactly "Request was aborted." (exact match; a substring match would misclassify unrelated errors that merely mention aborting) - createAbortError(providerName) - fresh error with name === "AbortError" and message "The <providerName> request was aborted", satisfying the Task.ts abort contract - exported OpenAiRequestOptions type 7 new tests (isRequestAborted 4, createAbortError 3).

github-actions · 2026-08-29T22:01:20Z

Review status

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coderabbitai · 2026-10-12T15:14:07Z

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Conflicts resolved: - fetchers/modelCache.ts + its spec: main redesigned model fetching through the handler interface (handler.fetchModels(options, signal) + getModelCacheScope), replacing the fetcher-dispatch switch this branch threaded signal through (kimi arm). Main's redesign supersedes the branch hunks; took main's versions wholesale. The kimi signal forwarding the branch's two modelCache.spec tests pinned now lives at the fetcher level (fetchers/kimi-code.spec.ts) and at the call site (options.signal feeds the pre-abort fast-fail). - kimi-code.ts: merged both sides' imports (branch CompletePromptOptions + throwIfAborted; main ModelCacheScope + getKimiCodeModels) and combined the discovery call site: main's handler argument (this) plus the branch's options.signal. Verification at this head: 512/512 green across the eleven touched specs; tsc --noEmit 0 errors; eslint --max-warnings=0 clean on touched files; prettier clean.

easonLiangWorldedtech · 2026-10-13T03:24:02Z

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easonLiangWorldedtech · 2026-10-13T05:24:46Z

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Actionable comments posted: 1

🪄 Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at @src/api/providers/kimi-code.ts:
- Around line 82-85: In prepareRequest, reset modelDiscoveryAttempted in the
getModels error path only when the caller’s signal was aborted; preserve the
one-attempt behavior for ordinary discovery failures. Add a test that aborts
discovery and verifies a second request on the same handler runs discovery
again.

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🪛 GitHub Check: mutation-diff

src/api/providers/kimi-code.ts

[warning] 83-83: Mutation test advisory
src/api/providers/kimi-code.ts:83: Survived ObjectLiteral mutant (replacement: {}). See the job summary for the complete list and resolution guidance.

[warning] 76-76: Mutation test advisory
src/api/providers/kimi-code.ts:76: NoCoverage BooleanLiteral mutant (replacement: true). See the job summary for the complete list and resolution guidance.

prepareRequest set modelDiscoveryAttempted before awaiting getModels, so a caller cancellation that interrupted discovery left the flag set and every later request on the same handler skipped discovery and kept the fallback model metadata. The catch now resets the flag only when the failure is a cancellation (isRequestAborted against the caller's signal); ordinary discovery failures keep the one-attempt behavior. New test aborts during getModels, then makes a second request on the same handler and asserts discovery runs again (negative control verified: removing the reset fails the test; the test is order- independent - the fetch stub is installed before handler construction because the SDK binds globalThis.fetch at construction). Verification at this head: 25/25 green in kimi-code.spec.ts (isolated run of the new test also green); tsc --noEmit 0 errors; eslint --max-warnings=0 clean on touched files; prettier clean.

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easonLiangWorldedtech · 2026-10-13T06:57:34Z

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easonLiangWorldedtech · 2026-10-13T13:55:08Z

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Conflict resolution: keep the branch's abort wiring (completePrompt fast-fail via throwIfAborted in the base provider and openai.ts; APIUserAbortError import in the base-provider spec). Post-merge lint repair for the re-enabled unused-variable rule: drop the now unused OpenAI default import in the spec and the handleOpenAIError import in the base provider (upstream removed its call sites), keeping handleOpenAIRequestError which remains in use. Also re-pointed the src/node_modules and root node_modules @roo-code/types and @roo-code/telemetry junctions back to this worktree's own packages (they had drifted to unrelated checkouts, which surfaced phantom CommandId errors under tsc). Verification at this merge: 454/454 green across the unit's ten spec files; tsc --noEmit 0 errors; eslint --max-warnings=0 clean (suppression count for base-openai-compatible-provider.ts reduced 6 -> 5, stale kimi-code.spec.ts entry pruned); prettier clean.

Per repo policy (AGENTS.md: Stryker suppression comments are banned; the mutation gate rejects them in touched files). Equivalence arguments for the resulting mutants are recorded in the PR body.

easonLiangWorldedtech · 2026-10-14T11:30:05Z

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…meout delays Port of the Zoo-Code-Org#1300 timeout guard finding (CodeRabbit): Node's AbortSignal.timeout throws ERR_OUT_OF_RANGE for non-integer delays (Infinity) and clamps delays above 2^31-1 ms to 1 ms, so a non-finite timeoutMs threw a RangeError instead of running the request, and an overflowing one aborted almost immediately. The helper now treats non-finite values as "no timeout" and caps finite delays at 2^31-1 ms. Regression tests added; negative controls (reverting the guard) fail exactly the two new tests.

CodeRabbit follow-up on the timeout guard: Node validates AbortSignal.timeout delays as uint32, so finite fractions (1500.5, 0.5) threw ERR_OUT_OF_RANGE just like Infinity did. The helper now rounds delays up (a positive fraction never becomes 0 ms) before capping at 2^31-1 ms. Regression test mergeAbortSignalAndTimeout (undefined, 1.5); negative control (reverting the rounding) fails exactly that test.

CodeRabbit: the fractional-timeout test only proved the call did not throw and eventually aborted - a round-down mutation (1.5 -> 1) would still pass. The test now spies AbortSignal.timeout and pins the received delay: 2 for 1.5 and 1 for 0.5 (never 0). Negative control: mutating Math.ceil to Math.floor fails exactly this test.

easonLiangWorldedtech · 2026-10-14T16:43:37Z

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Pre-merge checks failed. Please resolve the failing checks before merging.

CodeRabbit pre-merge checks (Linked Issues error + Regression Evidence warning): - KimiCodeHandler.fetchModels now forwards cancellation (explicit model-cache signal, else the caller signal carried on options.signal) to getKimiCodeModels, so a cancellation during handler-driven discovery aborts the in-flight discovery HTTP request instead of only stopping the caller's wait (Issue Zoo-Code-Org#404). Pinned by two new handler tests plus the model-catalog-adapters case flipped to forwardsSignal. - The discovery-retry test now asserts getModels receives the caller signal (previously only call counts were checked). - base-openai-compatible-provider and zai: added rejected-Promise request-creation cases (mockRejectedValueOnce(new APIUserAbortError())) - the awaited create() rejects with that shape in practice, and the sync-throw-only tests passed even with the await removed. Negative controls: reverting the signal forwarding, dropping the signal from prepareRequest, and removing each await each fail exactly one test. The Lifecycle Resource Cleanup warning's OAuth-refresh half (resolveAccessToken -> postForm threading) lives in src/integrations/kimi-code/oauth.ts, outside this unit's diff; registered in the PR body as a follow-up.

easonLiangWorldedtech · 2026-10-14T19:08:20Z

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easonliang28 and others added 2 commits August 20, 2026 12:36

feat(api): add throwIfAborted helper and completePrompt options regre…

e61feb1

…ssion tests Add a fast-fail throwIfAborted guard to the shared abort-signal utilities and regression tests for the CompletePromptOptions interface (added by Zoo-Code-Org#901).

easonLiangWorldedtech requested review from JamesRobert20, edelauna, hannesrudolph, navedmerchant and taltas as code owners August 20, 2026 21:20

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Comment thread src/api/providers/base-openai-compatible-provider.ts

Comment thread src/api/providers/base-openai-compatible-provider.ts

easonLiangWorldedtech added 2 commits August 21, 2026 06:07

github-actions Bot added the awaiting-review PR changes are ready and waiting for maintainer re-review label Aug 21, 2026

easonLiangWorldedtech added 3 commits August 21, 2026 09:00

Merge branch 'feat/abort-r1-foundation' into feat/abort-r2-openai-family

36f0b42

This was referenced Aug 21, 2026

feat(api): abort signal support for openrouter, requesty, poe (completePrompt + createMessage) #1301

Closed

feat(api): abort signal support for opencode-go, unbound, vercel-ai-gateway, zoo-gateway #1295

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easonliang28 added 2 commits October 14, 2026 15:25

chore(api): remove Stryker suppression comments from touched files

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Related GitHub Issue

Description

Test Procedure

Pre-Submission Checklist

Documentation Updates

Gate evidence (local, pre-push at 393b516)

Additional Notes

In-scope justification for the two non-#404-looking items

Updated 2026-10-11 (head 6e46bc78c)

Updated this round (2026-10-13)

Updated this round (2026-10-13, review follow-up)

Design contract: cancellation stops the underlying OpenAI-compatible HTTP request (Issue #404)

Stryker directive removal (equivalence notes)

Timeout guard hardening (helper port)

Fractional-timeout rounding wave

Assertion strengthening (rounding wave follow-up)

Pre-merge checks: Kimi discovery cancellation (6088f40)

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Updated 2026-10-11 (head `6e46bc78c`)

Pre-merge checks: Kimi discovery cancellation (`6088f40`)

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