feat(api): abort signal support for openai, openai-compatible base, zai, kimi-code (round 2) - #1311
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easonLiangWorldedtech wants to merge 33 commits into
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…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.
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🧠 Learnings (1)📓 Common learnings🔇 Additional comments (16)
📝 SummarySummary by CodeRabbit
WalkthroughOpenAI-compatible, OpenAI, Z.ai, and Kimi Code providers now forward cancellation and completion timeout options. They reject pre-aborted requests, normalize abort failures, and stop stream processing after cancellation. Tests cover these paths, stream edge cases, and error handling. ChangesProvider cancellation support
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 OpenAI SDK
Caller->>Provider: Send request with abort signal
Provider->>OpenAI SDK: Send request with signal and timeout options
Caller->>Provider: Abort request
Provider->>OpenAI SDK: Stop stream processing
Provider-->>Caller: Reject with normalized AbortError
Merge Risk: ⚪ Minimal · up to Previously identified cancellation-ordering and timeout issues are fixed. The change is merge-ready subject to normal checks. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to Cancellation improves containment within existing provider integrations. No introduced authorization bypass or broader credential access was established. Transport cleanup and cancellation during partially emitted responses remain incompletely verified. Retained concerns Security review detailsSecurity Blast Radius
Trust Boundaries and Controls
Resilience and Maintainability Implications
Hardening Proposals
🚥 Pre-merge checks | ✅ 7 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (7 passed)
Full details: Lifecycle Resource CleanupExplanation Kimi Code can perform OAuth refresh work after cancellation. In the changed Resolution Re-check
✨ Finishing Touches🧪 Generate unit tests (beta)
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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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…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 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.
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… 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).
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The 09-29 main merge (7dc331f) updated package.json manifests across the merged commits but the committed pnpm-lock.yaml stayed stale, so CI's frozen install fails at setup and every job (compile, unit, e2e, visual, mutation) fails within seconds of starting. pnpm install regenerates the lockfile from the merged manifests. check-types passes across all workspace packages at this head. Lockfile-only change; no executable code affected.
added 2 commits
September 30, 2026 09:15
The 09-29 main merge left the root manifest pinned to vitest 4.1.9, which the stale-lockfile regeneration kept. dependency-review flags it: GHSA (advisory 1193683) "Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock" affects >=2.1.0 <4.1.11 (moderate, CVSS 5.9); patched in >=4.1.11, which is what main already resolves. Bump the pin and regenerate the lockfile; the 4.1.9 tree drops out of the resolved snapshot (pnpm audit no longer reports vitest; the remaining advisories all pre-exist at main with identical versions).
…-Code-Org#1311 The 09-29 main merge pulled in webview changes that shift the chat-dark sidebar render (model row, header, and footer hint text), so the pre-merge reference now deterministically diffs by 1324 px (~1% of image pixels) in extension-host-visual. Re-baseline the reference with this branch's own CI render from the failed run's artifact (extension-host-visual-regression, run 36621716857); the actual render is the clean deterministic smoke output (verified visually: full chat-dark sidebar, Task Completed, Start New Task, input box).
The previous reference regeneration committed a render captured under the stale vitest 4.1.9 pin, whose toHaveScreenshot mask handling left the dynamic token counter visible (30753-byte actual vs the 30321-byte masked render). With vitest 4.1.11 (the pin restored in this branch) the masked actual reproduces the original reference byte-for-byte, so the Zoo-Code-Org#1680-era reference is correct again and the re-baseline is reverted.
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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/__tests__/openai.spec.ts:
- Around line 1115-1121: Update the timeout-only test for handler.completePrompt
to keep mockCreate pending until its request signal aborts, then verify the
signal is aborted. Retain the timeout assertion and assert the resulting
AbortError name and message using the existing error-capture pattern.
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package.jsonsrc/api/providers/__tests__/base-openai-compatible-provider.spec.tssrc/api/providers/__tests__/fireworks.spec.tssrc/api/providers/__tests__/kimi-code.spec.tssrc/api/providers/__tests__/openai.spec.tssrc/api/providers/__tests__/sambanova.spec.tssrc/api/providers/__tests__/zai.spec.tssrc/api/providers/base-openai-compatible-provider.tssrc/api/providers/kimi-code.tssrc/api/providers/openai.tssrc/api/providers/utils/__tests__/error-handler.spec.tssrc/api/providers/utils/error-handler.tssrc/api/providers/zai.tssrc/eslint-suppressions.jsonsrc/test-utils/__tests__/errors.spec.tssrc/test-utils/errors.ts
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🔇 Additional comments (17)
src/api/providers/base-openai-compatible-provider.ts (2)
127-133: Apply the per-request timeout to the streaming path too.
completePromptmergestimeoutMsinto the request signal and forwardstimeout.createMessagesets only the caller signal. This matches theApiHandlerCreateMessageMetadatacontract, which has notimeoutMsfield. The difference is intentional, so no change is required.
147-237: LGTM!src/api/providers/utils/error-handler.ts (1)
127-137: LGTM!src/api/providers/utils/__tests__/error-handler.spec.ts (1)
286-333: LGTM!src/test-utils/errors.ts (1)
1-17: LGTM!src/test-utils/__tests__/errors.spec.ts (1)
1-22: LGTM!package.json (1)
51-52: LGTM!src/api/providers/__tests__/fireworks.spec.ts (1)
26-27: LGTM!src/api/providers/__tests__/sambanova.spec.ts (1)
18-19: LGTM!src/api/providers/__tests__/base-openai-compatible-provider.spec.ts (1)
373-709: LGTM!src/eslint-suppressions.json (1)
284-284: LGTM!src/api/providers/openai.ts (2)
389-426: LGTM!
217-255: LGTM!src/api/providers/zai.ts (1)
176-195: LGTM!src/api/providers/__tests__/zai.spec.ts (1)
599-817: LGTM!src/api/providers/kimi-code.ts (1)
92-92: LGTM!Also applies to: 103-113
src/api/providers/__tests__/kimi-code.spec.ts (1)
257-367: LGTM!
The timeout-only completePrompt signal test resolved the mocked request immediately and only asserted the signal type and the forwarded SDK timeout, so any live (non-aborted) signal would have passed. Keep the request parked until its signal aborts, then assert the abort fired, the timeout was forwarded, and the normalized abort error contract (name AbortError, message "OpenAI request aborted") — covering the merged signal's real timeout behaviour instead of just its presence. CodeRabbit (R1, dbid 4143687450): verified against the current code — mergeAbortSignalAndTimeout(undefined, timeoutMs) returns a native AbortSignal.timeout signal that does fire, and completePrompt's catch re-throws the handleOpenAIRequestError-normalized AbortError as-is.
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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/__tests__/kimi-code.spec.ts:
- Line 38: Update the spy helper for chat.completions.create to use the actual
SDK client type for the protected-client projection, replacing the synthetic
Record method type. Return the inferred vi.spyOn result directly and remove the
ReturnType<typeof vi.fn> double assertion so mock results and request options
retain SDK type checking.
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package.jsonsrc/api/providers/__tests__/base-openai-compatible-provider.spec.tssrc/api/providers/__tests__/fireworks.spec.tssrc/api/providers/__tests__/kimi-code.spec.tssrc/api/providers/__tests__/openai.spec.tssrc/api/providers/__tests__/sambanova.spec.tssrc/api/providers/__tests__/zai.spec.tssrc/api/providers/base-openai-compatible-provider.tssrc/api/providers/kimi-code.tssrc/api/providers/openai.tssrc/api/providers/utils/__tests__/error-handler.spec.tssrc/api/providers/utils/error-handler.tssrc/api/providers/zai.tssrc/eslint-suppressions.jsonsrc/test-utils/__tests__/errors.spec.tssrc/test-utils/errors.ts
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⚙️ CodeRabbit configuration file
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src/api/providers/__tests__/fireworks.spec.tssrc/api/providers/__tests__/sambanova.spec.tssrc/test-utils/__tests__/errors.spec.tssrc/api/providers/utils/__tests__/error-handler.spec.tssrc/api/providers/kimi-code.tssrc/api/providers/utils/error-handler.tssrc/test-utils/errors.tssrc/api/providers/__tests__/kimi-code.spec.tssrc/api/providers/base-openai-compatible-provider.tssrc/api/providers/openai.tssrc/api/providers/__tests__/base-openai-compatible-provider.spec.tssrc/api/providers/zai.tssrc/api/providers/__tests__/zai.spec.tssrc/api/providers/__tests__/openai.spec.ts
Verify extension/webview contracts, cancellation and error propagation, VS Code lifecycle correctness, and behavior under retries and partial failure.
⚙️ CodeRabbit configuration file
Files:
src/api/providers/__tests__/fireworks.spec.tssrc/api/providers/__tests__/sambanova.spec.tssrc/test-utils/__tests__/errors.spec.tssrc/api/providers/utils/__tests__/error-handler.spec.tssrc/eslint-suppressions.jsonsrc/api/providers/kimi-code.tssrc/api/providers/utils/error-handler.tssrc/test-utils/errors.tssrc/api/providers/__tests__/kimi-code.spec.tssrc/api/providers/base-openai-compatible-provider.tssrc/api/providers/openai.tssrc/api/providers/__tests__/base-openai-compatible-provider.spec.tssrc/api/providers/zai.tssrc/api/providers/__tests__/zai.spec.tssrc/api/providers/__tests__/openai.spec.ts
Act as an adversarial second-opinion reviewer.
⚙️ CodeRabbit configuration file
Files:
src/api/providers/__tests__/fireworks.spec.tssrc/api/providers/__tests__/sambanova.spec.tssrc/test-utils/__tests__/errors.spec.tssrc/api/providers/utils/__tests__/error-handler.spec.tssrc/eslint-suppressions.jsonpackage.jsonsrc/api/providers/kimi-code.tssrc/api/providers/utils/error-handler.tssrc/test-utils/errors.tssrc/api/providers/__tests__/kimi-code.spec.tssrc/api/providers/base-openai-compatible-provider.tssrc/api/providers/openai.tssrc/api/providers/__tests__/base-openai-compatible-provider.spec.tssrc/api/providers/zai.tssrc/api/providers/__tests__/zai.spec.tssrc/api/providers/__tests__/openai.spec.ts
🔇 Additional comments (17)
src/api/providers/openai.ts (1)
28-39: LGTM!Also applies to: 100-102, 199-202, 217-255, 286-289, 342-343, 363-374, 389-427, 436-436, 470-489, 518-521, 546-558
src/api/providers/__tests__/openai.spec.ts (1)
6-6: LGTM!Also applies to: 16-16, 30-33, 282-346, 1022-1438
src/api/providers/base-openai-compatible-provider.ts (3)
127-133: Forward the client-level timeout alongside the stream abort signal if needed.
createMessagepasses onlysignalto the SDK.completePromptalso forwardstimeout. This difference is intentional: the stream path uses the client-levelthis.timeoutMs. No defect is established.
147-237: LGTM!
271-310: LGTM!src/api/providers/utils/error-handler.ts (1)
127-137: LGTM!src/api/providers/utils/__tests__/error-handler.spec.ts (1)
1-3: LGTM!Also applies to: 286-333
src/test-utils/errors.ts (1)
1-17: LGTM!src/test-utils/__tests__/errors.spec.ts (1)
1-22: LGTM!package.json (1)
51-52: LGTM!src/api/providers/__tests__/fireworks.spec.ts (1)
26-27: LGTM!src/api/providers/__tests__/sambanova.spec.ts (1)
18-19: LGTM!src/eslint-suppressions.json (1)
284-284: LGTM!src/api/providers/__tests__/base-openai-compatible-provider.spec.ts (1)
4-19: LGTM!Also applies to: 301-709, 831-908
src/api/providers/zai.ts (1)
19-21: LGTM!Also applies to: 32-38, 76-79, 89-89, 93-93, 131-131, 133-133, 136-136, 165-166, 176-187, 191-191, 195-195
src/api/providers/__tests__/zai.spec.ts (1)
3-3: LGTM!Also applies to: 20-20, 25-26, 599-817, 836-836, 869-869, 892-892, 915-915, 938-938, 962-962, 986-986, 1009-1009, 1024-1033, 1047-1056, 1096-1096, 1120-1120, 1144-1144, 1182-1182, 1205-1205
src/api/providers/kimi-code.ts (1)
16-16: LGTM!Also applies to: 23-23, 92-92, 103-104, 107-109, 113-113
Type the protected-client projection against the real OpenAI SDK client type and return the inferred vi.spyOn result without the second type-erasing assertion, so the spy keeps the SDK method's own signature and mock values / call-site typing are checked against it. Mock values now use full SDK response shapes (ChatCompletion with refusal, Stream of ChatCompletionChunk), and the per-request option assertions guard the optional second argument explicitly. CodeRabbit (full review, dbid 4144205886): verified against openai 5.23.2 — the last create overload resolves to APIPromise<Stream<ChatCompletionChunk> | ChatCompletion>, ChatCompletion requires id/choices/created/model/object, Choice requires finish_reason/index/logprobs/message with refusal added as required on ChatCompletionMessage, and Stream's constructor takes (() => AsyncIterator<Item>, AbortController). tsc clean, 23/23 pass.
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@coderabbitai Regarding the "Out of Scope Changes check" error (pre-merge checks walkthrough, 2026-08-20): evidence that each flagged change is required for #404 (the OpenAI-compatible cancellation objective this PR closes):
Both items are inseparable from the #404 cancellation work in this PR. |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
git show --format=fuller --stat 0703c58a0
git show --format=fuller 0703c58a0 -- package.json
git show --format=fuller 4238bd156 -- package.json
ast-grep outline src/api/providers/base-openai-compatible-provider.ts --items all
rg -n -C 12 'base_resp|status_code|status_msg|signal\?\.aborted' src/api/providers/base-openai-compatible-provider.ts
rg -n -C 8 'base_resp|status_code|status_msg' src/api/providers/__tests__/base-openai-compatible-provider.spec.ts
git show --format=short 35c95ea19 -- src/api/providers/base-openai-compatible-provider.ts
git show --format=short 393b516cc -- src/api/providers/base-openai-compatible-provider.ts
rg -n -C 3 '"vitest"|stryker|mutation' package.jsonLength of output: 22236
One qualification: “behavior preserved” is not exact for all inputs. The new guard ignores boolean status codes that the old condition accepted. The iteration wrapper also adds a provider completion-error prefix. Neither difference makes the changes out of scope. ✏️ Learnings added
You are interacting with an AI system. |
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@coderabbitai full review |
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✅ Action performedFull review finished. |
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@coderabbitai full review |
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✅ Action performedFull review finished. |
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Related GitHub Issue
Closes #404 — the OpenAI-compatible cancellation objective, for the OpenAI provider family implemented in this PR (
openai,base-openai-compatible-providerand 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:
Description
Round 2 of the abort-signal series: wires request-cancellation signals through the OpenAI family of providers.
client.chat.completions.createsites (createMessage streaming + non-streaming, O3-family streaming + non-streaming, completePrompt) build their request config throughRequestConfigBuilder, adopted from the start of this PR — the Azure AI Inferencepathoption 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 inaborted) via an abort-awarehandleOpenAIRequestError, while non-abort errors keep the existing provider-prefix wrap. Both streaming loops (the maincreateMessagepath and the O3-familyhandleStreamResponse) 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.createMessage/createStream/completePromptpath adoptedRequestConfigBuilderfor signal forwarding and gains the exported abort-aware error helperhandleOpenAIRequestError(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.createStreamno longer dropsrequestOptions; the thinking path and the glm-5.3completePromptpath forward a merged signal (external signal +timeoutMsviamergeAbortSignalAndTimeout).completePromptno longer dropsCompletePromptOptions— options are forwarded on both the initial call and the 401 OAuth retry.createMessageinherits the openai.ts wiring via metadata passthrough.Design notes:
CompletePromptOptionsis not assignable toApiHandlerCreateMessageMetadata(requiredtaskId) — gap G7 — so completePrompt paths usesetOption("signal", mergeAbortSignalAndTimeout(...))instead ofsetAbortSignal(metadata).mergeAbortSignalAndTimeouttreatstimeoutMs <= 0as no timeout internally, so atimeoutMs: 0call site passes no signal rather than a timeout that would abort immediately.RequestOptionstype does not satisfy the builder'sRequestConfigOptionsBaseconstraint (itsheaders/signalshapes differ), so each provider declares a minimal localOpenAiRequestConfigshape as the builder generic parameter.throwIfAbortedguard rejects before any network I/O when the signal is already aborted.This branch is STACKED on #1288: the foundation commit
e61feb13e(genericRequestConfigBuilder,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, thetimeoutMs: 0guard, pre-aborted rejection before any request, SDKAPIUserAbortErrorand fetch-levelAbortErrornormalization 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 aleakedcollection), andcaptureErrorproves the post-loop check rejects with the contract message rather than a normal stream end.vitest run <specs> --coverage(v8/lcov) and cross-referenced against thegit diffadded 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
Documentation Updates
Gate evidence (local, pre-push at 393b516)
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
package.jsondevDependencyvitest 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.base_respre-typing: the hunk is inside this PR's new abort-aware streaming loop inbase-openai-compatible-provider.ts— the same change adds the top-of-loopif (signal?.aborted) breakdefense 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 previouschunk as anyread 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).