fix(codex): distinguish model availability from auth failure - #4460
fix(codex): distinguish model availability from auth failure#4460AgenticLab-SH wants to merge 1 commit into
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📝 WalkthroughWalkthroughThe change adds typed model availability errors, distinguishes unsupported models from temporary account exhaustion, maps them to HTTP 400 or 429 responses, and preserves HTTP 401 for credential failures across Responses, Images, Live, and Search. ChangesModel availability classification
Priority: ⚪ Not assessed Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant CodexAuthContext
participant ResponseMapper
participant RelaySurface
CodexAuthContext->>ResponseMapper: emit model availability error
ResponseMapper->>ResponseMapper: select 400 or 429 response
ResponseMapper->>RelaySurface: return mapped error response
Merge Risk: 🔵 Low · up to The implementation behavior is documented with the wrong error code, which can mislead users of the recorded API semantics. Correct the documentation before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 28.57% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 7 functions across 7 files. (4 skipped: 4 unsupported.)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
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리뷰 · 우선순위 66 / 80설명 이 PR은 Codex 계정 풀에서 모델 자격(entitlement)이 없거나 잠깐 못 쓰는 상태를 자격 증명 실패처럼 포장하던 버그를 고칩니다. 지금 고침은 tip은 경로 src/codex/auth-context.ts CodexModelAvailabilityError - 자격 거부와 자격 증명 실패를 타입으로 나눈 점이 핵심입니다. 경로 src/server/responses/codex-auth-error.ts - 서브클래스 분기가 부모 분기보다 앞에 있습니다. 순서가 바뀌면 회귀합니다. 429에 경로 src/server/images.ts / live.ts / search.ts - 세 면이 같은 헬퍼를 재사용합니다. 다만 경로 tests/codex-integration/codex-model-availability-error.test.ts - 400/429/401 세 갈래를 JSON shape까지 고정합니다. 경로 게이트 - 메인테이너의 판단이 필요한 지점
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Inline comments:
In `@devlog/_fin/260913_model_availability_errors/000_summary.md`:
- Line 13: Update the summary’s documented 429 classification from
rate_limit_exceeded to rate_limit_error to match the shared mapper’s
temporarily_unavailable behavior, unless the mapper’s intended public contract
is explicitly rate_limit_exceeded; keep the mapper and documentation consistent.
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📒 Files selected for processing (11)
devlog/_fin/260913_model_availability_errors/000_summary.mddocs-site/src/content/docs/guides/model-ordering.mdsrc/codex/auth-context.tssrc/server/images.tssrc/server/live.tssrc/server/responses/codex-auth-error.tssrc/server/search.tsstructure/runtime.mdstructure/transports/responses.mdtests/codex-integration/codex-auth-context.test.tstests/codex-integration/codex-model-availability-error.test.ts
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…-availability Lane B of the contributor carry train: truncated-terminal search failure (#4381 by luvs01), bounded bridge iteration buffering (#4388 by luvs01), and distinguishing model availability from auth failure (#4460 by AgenticLab-SH). Tip-only CI by owner authorization for this batch. Cross-platform CI run 34744793611 concluded success on bd39d3b, the exact head merged here, and it covers every link because the lane is cumulative. #4472 and #4478 carry no ci check of their own. Lane S (#4477, carrying #4447) is deliberately not part of this lane and is held for maintainer security review.
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Closing as landed: distinguishing model availability from auth failure is on dev via #4480 (2fb74c1), merged as part of lane B's cumulative tip and verified as an ancestor of origin/dev at 2af30c2. Your authorship is preserved by a Co-authored-by trailer in the landed commit itself rather than only in the pull request body, so it counts on your contributor graph. The carry folded the review findings that were already on this pull request, and added regression coverage where the lane found a gap. If you think something from this branch did not make it to dev, say so and I will reopen. |
Carry lidge-jun#4460 from eefa074 onto the lane B chain above the lidge-jun#4388 carry. Lane tip. Account-gated native model selection threw CodexPoolAuthenticationError whenever no configured account carried the entitlement, so Responses, Images, Live and Search all reported HTTP 401 authentication_error with code invalid_api_key. A healthy credential that simply lacks the model looked broken, and users re-logged in and rotated keys for a condition that needed a different model or a reopened quota window. CodexModelAvailabilityError now carries the reason. An entitlement no account holds is 400 invalid_request_error; a model whose capable accounts are all temporarily exhausted is 429 rate_limit_error with code rate_limit_exceeded and no Retry-After, since the reopening time is not known here. Real credential failures keep their 401. Two carry-specific changes on top of the source head. The source branch shipped devlog/_fin/260913_model_availability_errors. A _fin unit records work already visible in public git history, and this work has not landed, so it moves to devlog/_plan and gains the catch-order audit below. The maintainer review asked for one more pass over catches outside Responses, because CodexModelAvailabilityError extends CodexPoolAuthenticationError and a parent-first branch would fold 400 and 429 back into 401. The shared mapper and the Images, Live and Search surfaces all test the subclass first. context-history folds the parent straight to 401 and is left unchanged: it resolves with modelId "context_history", and every throw site is gated on ACCOUNT_GATED_NATIVE_OPENAI_MODELS membership, directly or through modelEligibleAccountIds, which is only populated for a gated model. A new assertion pins that membership so a future gated "context_history" cannot silently restore the invalid_api_key report. encrypted-payload and collaboration import the parent but never branch on it. The new test file is registered in scripts/test-layout/layout.json and tests/fixtures/test-layout-expected.json; the source head omitted both, which fails tests/test-layout-tooling.test.ts. This touches src/codex/auth-context.ts, so pr-hygiene reports unsponsored_surface and MAINTAINERS.md requires security review before it can leave draft. That is expected and unresolved here. Verification on this carry: bun test over tests/codex-integration/codex-model-availability-error.test.ts, tests/codex-integration/codex-auth-context.test.ts, tests/images/loop.test.ts, tests/adapters/run-turn-queue.test.ts and tests/adapters/bridge-nonstreaming-terminal.test.ts (205 pass, 0 fail), plus tests/test-layout.test.ts and tests/test-layout-tooling.test.ts (17 pass), bun run typecheck, bun run structure:check, bun run privacy:scan. Local full suite: NOT RUN. Hosted CI on this tip is the lane's suite proof. Co-authored-by: Shawn <77868633+AgenticLab-SH@users.noreply.github.com>
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