fix(codex): gate subagent fallback by account entitlement - #2623
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📝 WalkthroughWalkthroughNative model routing now resolves entitlement-aware fallback chains, excludes the main account when required, filters account candidates per model, and reuses eligibility during preview and final selection. Tests cover credential exclusion, fallback routing, admission cleanup, and profile draining. ChangesNative model entitlement routing
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🟡 Moderate · up to During a temporary account drain, the PR can incorrectly report that no eligible account supports a model, and entitlement-discovery failures can surface as unhandled request errors without normal request finalization. These bounded correctness and availability risks should be fixed or explicitly accepted before merging. Possibly related PRs
Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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In `@src/codex/auth-context.ts`:
- Around line 389-400: Use the retained-block state nativeMainTrafficBlocked,
not nativeMainReadsForbidden, when deriving excludeAccountIds in
src/codex/auth-context.ts lines 389-400; preserve main as a candidate during
temporary drains so the atomic claim reports CodexMainProfileDrainingError. In
src/server/responses/core.ts lines 1645-1647, pass the retained-block state
through resolveSubagentFallbackModelEligibility and update its caller at line
2513 to use it; update the mainExclusions expectation in
tests/subagent-fallback-handle-responses.test.ts line 948.
In `@src/server/responses/core.ts`:
- Around line 2510-2515: Contain failures from
resolveSubagentFallbackModelEligibility in both fallback-model selection and the
resolveCodexAuthContext authentication path, mapping them to the established
response error instead of rethrowing raw resolver errors. Preserve the
fail-closed entitlement check before credential use, ensure request-log
finalization still runs, and update the relevant handleResponses test to assert
the mapped response and releaseCount === 1.
In `@tests/subagent-fallback-handle-responses.test.ts`:
- Around line 833-836: Replace the bounded microtask loop in the test around
resolverCalls with a deterministic promise signal resolved when the resolver
seam is entered. Await that signal before asserting resolverCalls and
beginCount, using the existing seam setup in the test rather than relying on a
fixed number of Promise.resolve turns.
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📒 Files selected for processing (7)
src/codex/auth-context.tssrc/codex/model-entitlements.tssrc/codex/subagent-model-fallback.tssrc/server/responses/core.tstests/codex-model-entitlements.test.tstests/subagent-fallback-handle-responses.test.tstests/subagent-model-fallback.test.ts
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리뷰 · 우선순위 44 / 80설명: 이 풀은 서브에이전트 폴백이 계정마다 모델 자격을 보게 한다. 작성자는 luvs01 이다. 지금 열려 있고 드래프트다. 라벨은 bug, intake: hygiene-blocked 다. 베이스는 dev 이고 헤드는 agent/issue2509-entitlement-boundary 다. GitHub mergeable 은 true 다. mergeState 는 BLOCKED 다. 위생이 unsponsored_surface 다. 경로 src/codex/auth-context.ts 다. 파일이 일곱 개다. 더하기 473, 빼기 63. 본문은 2509 의 둘째 조각이라고 적는다. 3-6 조각은 이슈를 열어 둔다. 지금 CURRENT HEAD 에서 2509 구멍은 그대로다. src/codex/subagent-model-fallback.ts 540줄 applySubagentModelFallback 은 폴백 사슬을 고른다. 291줄 selectAvailableSubagentModel 은 자격 집합을 안 받는다. src/codex/auth-context.ts 352줄 resolveCodexAuthContext 는 384줄부터 388줄에서 게이트 모델이면 entitledCodexAccountIdsForModel 로 계정 집합을 만든다. 최종 인증은 그 집합을 본다. 폴백 미리보기는 그 경계를 같이 안 탄다. 본문이 둘째 조각으로 메우려는 자리다. 2509 는 열어 둔다. 이 풀로 닫지 말 것. 이 풀은 폴백 사슬을 한 번 풀어 계정 게이트 모델이 있으면 자격을 미리 본다. 고정 선택자는 고정으로 두고, 자격 없는 고정 게이트는 다음 폴백으로 넘긴다. 미리보기와 최종 인증이 각자 스냅샷을 쓴다. 네이티브 메인이 비우는 동안은 명단에서 뺀다. 시험이 그 경계를 잠근다. 방향은 2509 와 맞다. 그러나 위생이 인증 표면이라 스폰서 없이 레디가 될 수 없다. 체크리스트 네 칸은 채워져 있다. 봇이 드래프트를 유지한다. 합치면 안 된다. close-dont-rebase 도 지금은 아니다. 기다린다. 이번 시간 착지 2619 는 클로드 agents 폴더다. 이 풀과 무관하다. 2502 는 추론 소독 문서다. 이 풀로 닫지 말 것. 이미 합쳐졌다. 다시 열지 말 것. 2568 은 이 풀로 닫지 말 것. src/runtime 은 없다. default-aliases.ts 는 이제 있다. 이 풀의 주제가 아니다. oauthOpenBrowser 는 config.ts 889줄에 산다. 이 풀이 그 칸을 안 지운다. 그래도 unsponsored_surface 라 합치지 말 것. 프리뷰 배포가 아니다. 라인 352 - src/codex/auth-context.ts 최종 인증은 이미 자격 집합을 본다. 이 풀이 만지는 인증 표면이다 메인테이너의 판단이 필요한 지점
너의 추천 이 댓글은 grok-bot이 작성했습니다 |
…2629) #2515 fixed the primary selection path to preview per candidate quota scope, and #2623 added the entitled-account filter there. The encrypted-recovery path got the scope but not the filter: it re-previewed per candidate and passed no eligible-account set, so a recovered assignment could select an account with no entitlement to the model and fail closed at final auth. Same stale-selection class as the quota scope, one layer over. Pinned structurally, like the route-inventory contract: both preview assignment sites must accept and forward modelEligibleAccountIds. Driving it end to end needs a recovered encrypted assignment AND an account-gated candidate whose entitlement differs per account, and that fixture proved more fragile than the thing it checks - I tried it and dropped it rather than ship a flaky test. What this does catch is the regression that actually threatens the fix: one of the two sites silently losing the argument again, which is how recovery lost it. Falsified: reverting the recovery site to the two-argument form reddens exactly this test.
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Summary
This is the second focused implementation unit for #2509. The issue remains open for units 3-6.
Verification
bun run typecheckon Bun 1.4.0-canary.1.bun test --isolate tests/server-auth.test.ts -t "#2097": 7 passed, 0 failed.EBUSYcleanup failure passed on an exact single-test rerun.git diff --check.Checklist
Maintainer security sponsorship and review remain required for this credential and lifecycle boundary.
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Bug Fixes