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📝 WalkthroughWalkthroughThe change adds bounded API-key rotation and shared send-budget accounting for Responses recovery, continuations, adapters, combos, and sidecars. It also adds physical-send admission, reservation settlement, tests, and contract documentation. ChangesResponses recovery accounting
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~90 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant Client
participant Responses
participant SendBudget
participant Adapter
participant KeyFailover
Client->>Responses: submit request
Responses->>SendBudget: reserve inference or recovery send
SendBudget-->>Responses: permit or refusal
Responses->>Adapter: dispatch admitted send
Adapter->>SendBudget: settle physical send
Adapter-->>Responses: response or retry signal
Responses->>KeyFailover: request bounded key rotation
KeyFailover-->>Responses: cooldown record and replacement or refusal
Responses-->>Client: final response or error
Merge Risk: 🔵 Low · up to This change tightens how retries, recoveries, and key rotations consume a request's shared send allowance. One gap remains: when a web-search or image bridge retries after a 429 by switching API keys, those extra upstream calls are not counted against the request allowance, so a request can issue slightly more upstream calls than intended. The other items are small — a retried Google request holds one upstream response open during its backoff wait, two test fixtures pass an option the helper does not accept, a new rotation test does not check the send count it is named for, and one documentation sentence describes the Kiro empty-answer retry less precisely than the actual behavior. None blocks the main request flow, so this is mergeable with follow-up on the bridge accounting. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 51.52% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 33 functions across 37 files. (22 skipped: 22 unsupported.)
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리뷰 · 우선순위 64 / 80설명 이 PR(작성자 luvs01, draft)은 API 키 풀에서 429가 났을 때 키가 무한히 돌 수 있는 구멍을 막는다. 짧은 쿨다운이 끝나면 이미 시도한 키를 다시 고를 수 있고, reset-only 전송은 공유 transient retry budget을 안 켜서 요청이 키만 바꾸며 계속 도는 장면이 나온다. 고치는 방법은 단순하다. 현재 테스트는 핵심을 잘 잡는다. 문서 쪽은 영어 providers.md와 8개 로케일, 그리고 우선순위 64는 '실제 비용/루프 버그를 막는 코드'라서 문서 PR보다 높고, 동시에 draft·임팩트 스위트 미완료·structure 산포·tip 뒤처짐 때문에 70대로 올리지 않은 점수다. 콤보 전체 예산이 아니고 '키를 한 번씩만' 보장도 아니라고 본문이 솔직히 말한다. 그 범위를 메인테이너가 받아들일지가 머지 판단의 핵심이다. src/server/responses/core.ts keyPool429RetryAllowed - continuation=false일 때만 auth-recovery reserve를 엿보는데, countedExternally:true 로 reserveDispatch를 호출한다. '검사만 하고 소비하지 않는다'는 주석과 실제 reserve API 의미가 같은지 tip 기준으로 한 번 더 확인이 필요하다. 메인테이너의 판단이 필요한 지점
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Updated author evidence for the current head 9336e38. Both automated reviews are complete and their two findings are resolved, including the initially unpooled key and sidecar sites. CI completed with the explicitly documented Windows exceptions; this is author-ready, not a green-CI claim. The reserve question was rechecked: reserveDispatch returns a permit, and shared state is charged only by permit.use(); the allowance query does not call it. Pools with fewer than two entries already decline key rotation in rotateKeyAfterFailure, while existing same-target retry and OAuth fallback policies remain separate. The referenced dev changes from 62f0222 to 4f788f9 are a version bump and release evidence, with no diff in core.ts, key-failover.ts or request-execution-budget.ts. Rebasing solely to move the base label would restart validation without changing those semantics. The ownership manifest was not expanded: the short links satisfy its existing source-owner mapping while the contract stays in one canonical section. Maintainer acceptance of the invocation-level design remains a merge decision. The four author-checklist boxes and review-ready label are complete. GitHub denied the author account permission to mark this PR ready, and the repository automation also reported a failed draft conversion. It therefore remains technically draft; a maintainer must perform that state transition. I have not retried the denied mutation. |
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@codex review Current head 7941c47 fixes the adapter recovery-reserve and duplicate-pacing findings. The initial/rebuild/continuation matrix was checked together; existing OAuth-derived bookings are reused, key recovery can draw the shared final reserve, and all three outer pacing slots are passed to the executor. The inline replies record the real Vertex failed-before/passed-after cases and the bounded denied-retry behavior. Exact-head cross-platform run 35049260537 is pending. |
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@codex review Current head 5eb1193 integrates dev through b3035fe and fixes the enclosing OAuth/static-key401 admission findings. Native main/stored-account 401 replay is also admitted before refresh, preserving the inherited compact/combo ceiling and existing one-shot semantics. The description and inline replies record the negative controls, focused validation and integrated Windows fix. Please review this current head; cross-platform run 35051035322 is pending. |
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opencodex/src/server/responses/core-combo.ts
Line 313 in 5eb1193
Defer consuming combo permits until child dispatch
When a combo child exits before any upstream send—most concretely, prepareResponsesRequest returns the hop-eligible local input_admission_refused response—the permit is already marked used here, so its booking cannot be refunded and the next targets inherit a phantom physical send. For a three-target combo, a locally refused first target followed by a four-send failure on the second target leaves only the prepaid initial send for the third, denying a retry despite only five physical sends having occurred under the six-send policy. Leave the externally counted permit open, release it after the child returns, and let the child's external report or adapter reservation settle it only when dispatch actually occurs. structure/transports/responses.mdL146-L146
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@codex review Current head: 0c1690b, integrating dev through 5e3029e. The combo reservation finding in #4621 (review) is fixed. A reservation stays open until the child outcome is known, and a proven local zero-send rejection refunds it. The regression now permits 0 + 4 + 2 actual sends under the six-send budget (previously only 0 + 4 + 1). Opaque runTurn/sidecar dispatches and ambiguous entered-child outcomes retain conservative accounting; this does not claim exact wire-level refunding for every failure. The fix passed 44 focused tests; the subsequent dev integration passed 53 tests / 188 assertions, typecheck, structure/privacy/size gates and the 441-page docs build. Please review this head. A new exact-head cross-platform run has been requested; the earlier successful run 35051035322 applies only to 5eb1193. |
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@lidge-jun This is ready for review at You asked for this lane bottom to come back green at its exact head, since it defines the send-budget contract that #4656 modifies. Cross-platform run 35054633918 completed successfully on that exact commit, with all 26 jobs green across the ordinary and Windows matrices and the aggregate gate. The head integrates dev through The last review finding, the early combo reservation in review 5218176843, is fixed. A reservation now stays open until the child outcome is known, and a proven local zero-send rejection refunds it, so a six-send budget permits 0 + 4 + 2 actual sends where it previously allowed only 0 + 4 + 1. Opaque runTurn and sidecar dispatches, and ambiguous entered-child outcomes, keep the conservative charge; I am not claiming exact wire-level refunding for every failure mode. No unresolved current review threads remain. Since this was holding the responses-budget lane, it should now be unblocked for the rest of that train. |
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Actionable comments posted: 5
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Inline comments:
In `@docs-site/src/content/docs/reference/configuration/providers.md`:
- Line 230: Update the `emptyCompletionRetry` documentation sentence to describe
retries as applying when the completion has “without output text or a tool
call,” replacing the ambiguous “without visible output” wording while preserving
the surrounding behavior description.
In `@src/adapters/google-http.ts`:
- Around line 61-65: Update beforeDispatch to call
cancelResponseBodyBestEffort(pendingResponse) and clear pendingResponse before
awaiting sleepWithAbort for retryDelayMs. Preserve the existing abort signal and
retry timing behavior.
In `@src/server/responses/sidecar-execution.ts`:
- Around line 162-165: Update the rotation logic in the sidecar executor around
allowRotation and the rotated result to reserve a send-budget hop before
attempting key-pool rotation, mark the reservation consumed when rotation
succeeds, and release it when no replacement is returned. Preserve
allowRotation: false when the reservation is refused so the failed key still
records cooldown state, and keep the existing fallback condition unchanged.
In `@tests/providers/command-code-provider.test.ts`:
- Line 61: Remove the unsupported addAccount option from both OAuth test
fixtures using saveCredential in command-code-provider.test.ts and
server-xai-oauth-401-replay.test.ts; retain the existing accountId values and
all other fixture options.
In `@tests/server/server-kiro-oauth-401-replay.test.ts`:
- Line 178: Update the parameterized Kiro OAuth test around post(server) to
expose its RequestExecutionBudget through the server test seam and assert
budget.used and budget.reserveSpent for every mode, including quota, success,
reset-success, and empty-retry. Preserve the existing authorization, status, and
response assertions while verifying the expected single adapter-owned
physical-send charge.
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📒 Files selected for processing (57)
docs-site/src/content/docs/reference/configuration/providers.mdscripts/test-layout/layout.jsonsrc/adapters/base.tssrc/adapters/command-code.tssrc/adapters/google-http.tssrc/adapters/google.tssrc/adapters/kiro/adapter.tssrc/adapters/mimo-free.tssrc/adapters/physical-send.tssrc/lib/request-execution-budget.tssrc/server/responses/adapter-continuation.tssrc/server/responses/adapter-dispatch.tssrc/server/responses/combo-send-budget.tssrc/server/responses/compact.tssrc/server/responses/core-combo.tssrc/server/responses/core.tssrc/server/responses/passthrough-dispatch.tssrc/server/responses/request-send-budget.tssrc/server/responses/sidecar-execution.tsstructure/adapters/registry.mdstructure/catalog.mdstructure/clients/claude-desktop.mdstructure/clients/integrations.mdstructure/data-planes/images.mdstructure/data-planes/inbound-compat.mdstructure/gui-and-management-api.mdstructure/ops/docs-and-release.mdstructure/ops/service-and-sidecars.mdstructure/overview.mdstructure/providers/chat-compat.mdstructure/providers/cursor.mdstructure/providers/xai-grok.mdstructure/runtime.mdstructure/subagents.mdstructure/transports/byte-accounting.mdstructure/transports/inventory.mdstructure/transports/responses.mdstructure/transports/streaming-health.mdtests/adapters/adapter-inner-send-budget.test.tstests/adapters/google/google-vertex-http.test.tstests/adapters/physical-send.test.tstests/fixtures/test-layout-expected.jsontests/helpers/responses-core-source.tstests/lib/execution-budget-permits.test.tstests/lib/transient-budget-scope-source.test.tstests/providers/command-code-provider.test.tstests/providers/mimo-free-provider.test.tstests/responses/responses-compaction-routing.test.tstests/responses/responses-core-modules.test.tstests/responses/responses-native-main-refresh.test.tstests/responses/responses-send-budget-counts.test.tstests/server/server-combo-failover-e2e.test.tstests/server/server-google-antigravity-oauth-401-replay.test.tstests/server/server-key-failover-e2e.test.tstests/server/server-kiro-oauth-401-replay.test.tstests/server/server-xai-oauth-401-replay.test.tstests/server/terminal-guard-server.test.ts
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Requesting changes on current head 0c1690b17c936b33544942bc0c8ee74af26ef583.
This head is not ready for maintainer approval despite the follow-up note. It is 68 commits behind current dev, GitHub reports it conflicting, and five current review threads remain unresolved.
One blocker is deterministic: both OAuth fixtures call saveCredential(..., { addAccount: true }), but the exact-head signature accepts only preserveIdentityless and assertBeforePersist. Exact-head typecheck will therefore fail once the full CI lane runs. Remove the unsupported option or use the supported account-creation contract and prove the intended multi-account fixture.
Also resolve the response-lifetime finding before re-review: cancel the superseded Google response body before the retry backoff, not after the wait, so concurrent 429/5xx retries do not hold extra upstream sockets and buffered bodies. Address the remaining budget/docs coverage threads, rebase onto current dev, and publish complete exact-head hosted CI. I am not approving or merging a conflicting draft with only metadata checks.
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Status after the 2.56.0 train landed. This head Those two landed changes rewrite the same regions this PR touches: the stored-pool 401 replay in What remains novel here after the train: If you would rather this be reopened as a smaller PR on top of the landed lane, say so and I will close this one in favour of that. |
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Re-scoping this after checking what the train actually landed, against Two of the three things this PR set out to do are already on The combo reservation refund no longer reproduces either. I implemented it on current What is still not on I will bring that forward as a focused change on top of the landed model rather than merging this branch, whose 30 conflicting hunks are almost entirely the parts you have already solved. This PR stays in draft meanwhile; say the word if you would rather I close it and open the narrower one instead. |
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Follow-up posted as #4865. What upstream absorbed since this PR opened, and what remained:
This PR's remaining diff is superseded by the combination of the absorbed core and #4865, so I am closing it in favor of that focused change. Happy to reopen any piece that still looks wanted. |
…udget mimo-free's 401 JWT replay, command-code's reasoning-effort repair, and the google-http transient loop each issued bare fetches that never touched ctx.sendBudget, so a request holding only its final recovery permit still dispatched and a refused retry still paid the backoff sleep. Route each physical send through createAdapterPhysicalSend: admission precedes pacing, backoff and superseded-response cancellation, a credential hop's pending permit pays for the first send exactly once, and a refused retry returns the real upstream response instead of a synthetic error. Follow-up to lidge-jun#4621.
…udget (#4865) * fix(adapters): charge adapter-owned retry sends to the request send budget mimo-free's 401 JWT replay, command-code's reasoning-effort repair, and the google-http transient loop each issued bare fetches that never touched ctx.sendBudget, so a request holding only its final recovery permit still dispatched and a refused retry still paid the backoff sleep. Route each physical send through createAdapterPhysicalSend: admission precedes pacing, backoff and superseded-response cancellation, a credential hop's pending permit pays for the first send exactly once, and a refused retry returns the real upstream response instead of a synthetic error. Follow-up to #4621. * test(layout): map physical-send.test.ts to the adapters domain * fix(mimo-free): drain the 401 body before the JWT refresh can reject The 401 replay moved its drain behind admission so that a budget-refused replay can still return that same response with a readable body. Inside beforeDispatch it ran last, after resetMimoJwtCache and getMimoJwt. getMimoJwt issues its own bootstrap request and rejects on a failed or oversized response. When it did, fetchResponse threw and the 401 body was never released - a leak the pre-change code did not have, because it cancelled first and refreshed second. Draining first WITHIN beforeDispatch keeps both properties: it is still after admission, so a refusal returns the untouched response, and it no longer depends on the refresh succeeding. --------- Co-authored-by: luvs01 <27862058+luvs01@users.noreply.github.com> Co-authored-by: JUN <bitkyc08@gmail.com>
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@lidge-jun Final report as this PR rests closed.\n\nEvery review finding on this branch was addressed, and the lane bottom did come back green at its exact head: \ |
3 participants
Status: on hold pending integration
The 2.56.0 train landed #4763 (#4656) and #4745, which rewrite the stored-pool 401 replay and the hop-permit accounting this PR also changes. The head below is 79 commits behind
devand the merge produces 30 conflicting hunks inpassthrough-dispatch.ts,request-execution-budget.ts,adapter-dispatch.ts,adapter-continuation.tsandcore-combo.ts, where both sides changed behaviour rather than adjacent lines.Still novel after the train:
src/adapters/physical-send.tsandsrc/server/responses/combo-send-budget.tsdo not exist ondev, and the combo reservation refund on a proven local zero-send is not covered by the landed work. Everything below describes the pre-train head and will be rewritten around the integrated scope. Please do not review it against currentdevyet.Summary
Bound API-key rotations and physical sends across a logical Responses request. Preserve an exact prepaid compact recovery through intermediate combo scopes, settle it once, and retain its inherited total/recovery ceiling. A prepaid first send remains available even when the remainder cannot fund every later declared target. OAuth/forward account pools are separate from the documented API-key rotation count.
Current author verification
Exact head:
0c1690b17c936b33544942bc0c8ee74af26ef583. Includes current-dev integration throughb3035fe292168bc598b5d67e77203e2b65404578.The stale callback-literal and fixed-count allowance oracles were replaced with structural checks and negative controls. Shared prepaid bookings survive compact/combo scopes, settle once, and retain their inherited ceiling.
Kiro, Command Code, MiMo and Google Vertex/Antigravity account for their inference attempts, including internal retries. The ordinary Google AI Studio path continues to use the server retry helper. Model-catalog/JWT discovery is separate from inference accounting.
OAuth/static-key/native main/stored-account 401 recovery obtains admission before refresh, selection persistence or response disposal. Refusal preserves the original 401 and current selection. Unused bookings are refunded; native one-shot/quarantine/lease/stored-callback behavior is preserved.
Key recovery can use the existing shared final reserve. Initial/rebuild/continuation reuse their first pacing slot; subsequent sends acquire their own. Budget-denied helper retries consume no extra pacing slot/backoff.
Failed-before/passed-after coverage includes ten adapter prepaid cases, five real Vertex recovery/pacing paths, generic/static 401 exhaustion, and four native replay cases. The latest 401 suite passed 60 tests / 541 assertions; the preceding recovery/pacing suite passed 58 tests / 543 assertions. The merged combo/forced-effort/prepaid paths passed 23 focused tests / 135 assertions.
Type, structure, privacy, file-size ratchet and diff checks passed. Documentation built all 441 pages. The integrated upstream desktop-restart fix passed 33 tests / 10 Windows skips / 93 assertions; the old nine Windows failures must not be treated as an unchanged baseline for this head.
Exact-head fork Cross-platform CI run
35054633918completed successfully on0c1690b, with all 26 jobs green, including every ordinary and Windows job and the aggregate gate. Earlier-head results are not treated as covering this head.The combo reservation is held until the child outcome is known. A proven local zero-send rejection refunds it, so a six-send budget now permits 0 + 4 + 2 actual sends instead of 0 + 4 + 1. Opaque runTurn/sidecar dispatches and ambiguous entered-child outcomes keep conservative accounting; exact wire-level refunding is not claimed for every failure. The dev integration passed 53 tests / 188 assertions.
The documented consumption boundary is underlying executor invocation. An internal executor preflight rejection after that boundary may conservatively consume an attempt. No numeric budget policy/configuration setting was enlarged.
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