fix(providers): rebase key failover on persisted state - #3529
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Included review availability: Your plan provides up to 10 included reviews per hour; 4 remain after this review. 📝 WalkthroughWalkthroughKey failover now updates fresh persisted configuration, rebases concurrent changes, delays cooldown updates until persistence succeeds, and re-routes committed providers while preserving request-only transport state. Tests persist configurations and isolate cooldown and filesystem state. ChangesKey failover persistence and routing
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to API-key 429 retries now use the latest saved provider configuration, avoiding stale concurrent rotations and restoring removed settings. The covered persistence, concurrency, and retry-transport cases leave no actionable merge-blocking risk. Sequence Diagram(s)sequenceDiagram
participant RequestHandler
participant rotateKeyOn429
participant mutatePersistedConfig
participant PersistedConfig
participant routedProviderConfig
participant CooldownState
RequestHandler->>rotateKeyOn429: report provider 429
rotateKeyOn429->>mutatePersistedConfig: re-read and rotate provider
mutatePersistedConfig->>PersistedConfig: persist committed configuration
PersistedConfig-->>mutatePersistedConfig: return committed provider
mutatePersistedConfig-->>rotateKeyOn429: return rotation result
rotateKeyOn429->>routedProviderConfig: re-route committed provider
routedProviderConfig-->>rotateKeyOn429: return routed provider
rotateKeyOn429->>CooldownState: update cooldown after persistence
rotateKeyOn429-->>RequestHandler: return provider or null
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✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 40.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 5 functions across 8 files. (1 skipped: 1 unsupported.)
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Inline comments:
In `@src/providers/key-failover.ts`:
- Line 296: Update the retry configuration construction at routedProviderConfig
so it uses rotated as the persisted provider state instead of spreading the
stale routedProvider; merge only explicitly defined request-only fields needed
for compatibility and routing. Add a regression test covering deletion of an
optional provider field before rotation and verify the retry omits the deleted
field.
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src/providers/key-failover.tstests/adapters/key-failover.test.tstests/adapters/openai/openai-chat-native-policy.test.tstests/providers/openrouter-provider-routing.test.tstests/server-combo-failover-e2e.test.tstests/terminal-guard-server.test.ts
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리뷰 · 우선순위 66 / 80이 PR은 API 키 풀에서 429가 났을 때 “어느 설정 스냅샷을 믿고 키를 돌릴지”를 고칩니다. 지금은 요청이 들고 있는 메모리 설정에 바로 지금 핵심 동작 변화는 두 갈래입니다. 첫째, 우선순위 66인 이유: 동시 429·관리 API 편집이 겹칠 때 실제 사고로 이어질 수 있는 축을, 이미 있는 경로 메인테이너의 판단이 필요한 지점
너의 추천
이 댓글은 grok-bot이 작성했습니다 |
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The stale routed-field finding was valid and is fixed on the current head. Retry construction now starts from the committed provider row, preserves only runtime fetch state and generated OpenCode session affinity, and re-applies registry/transport metadata. A regression deletes persisted custom headers before rotation and verifies the retry does not resurrect them; focused verification is 161/161. @coderabbitai review |
🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '== PR metadata =='
gh pr view 3529 --json number,headRefOid,baseRefName,headRefName,isDraft,mergeStateStatus,url
echo '== Changed files and diff stat =='
git diff --stat "origin/$(gh pr view 3529 --json baseRefName --jq .baseRefName)...HEAD"
git diff --name-only "origin/$(gh pr view 3529 --json baseRefName --jq .baseRefName)...HEAD"
echo '== Source outline =='
ast-grep outline src/providers/key-failover.ts --items all --view expanded
echo '== Relevant source symbols and context =='
rg -n -A100 -B15 '^(export )?(async )?function (rotateKeyOn429|rotateProviderTransportOn429)\b|^\s*(const|function) (routedProvider|preserve|runtime|session)' src/providers/key-failover.ts
echo '== Relevant tests =='
ast-grep outline tests/adapters/key-failover.test.ts --items all --view expanded
rg -n -A70 -B15 '(custom headers|headers|stale|routed|rotation|rotateProviderTransportOn429)' tests/adapters/key-failover.test.ts
echo '== Current PR patch for reviewed source and test =='
git diff --find-renames "origin/$(gh pr view 3529 --json baseRefName --jq .baseRefName)...HEAD" -- \
src/providers/key-failover.ts \
tests/adapters/key-failover.test.tsLength of output: 1992 🏁 Script executed: #!/bin/bash
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echo '== Changed files from GitHub =='
gh pr diff 3529 --name-only
echo '== Current source outline =='
ast-grep outline src/providers/key-failover.ts --items all --view expanded
echo '== Current key failover implementation =='
rg -n -A130 -B20 '\brotateKeyOn429\b|\brotateProviderTransportOn429\b|\broutedProviderConfig\b|\bkeyCooldowns\b' src/providers/key-failover.ts
echo '== Current focused test outline =='
ast-grep outline tests/adapters/key-failover.test.ts --items all --view expanded
echo '== Current regression-test context =='
rg -n -i -A85 -B20 'custom headers|headers|stale|routed|concurrent|rotateProviderTransportOn429' tests/adapters/key-failover.test.ts
echo '== PR patch for affected files =='
gh pr diff 3529 --patch -- \
src/providers/key-failover.ts \
tests/adapters/key-failover.test.tsLength of output: 33678
I found no new issue in this focused area. I did not independently run the reported 161 tests because this review sandbox does not execute repository code. ✅ Action performedReview finished.
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Rebased onto current dev 79e0364 after the server/storage test-layout move. The affected tests now live under tests/server; focused verification is 163/163, with typecheck, privacy scan, and diff checks green. No behavior changed in the rebase. @coderabbitai review |
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The persisted-state direction and stale-field regression are sound on exact head 81e692313; I found no credential disclosure or fresh-state resurrection in the reviewed path. Two merge blockers remain before security-boundary approval:
- The PR is based on
6580694c7and is nowDIRTYagainst currentdev79e03643d. In particular, #3518 moved the server/storage/CI tests after this head. Rebase onto currentdev, keep the affected tests in their domain paths, and require exact-head Cross-platform CI. - The authoritative contract text still describes the old behavior. The JSDoc above
rotateKeyOn429saysrotateProviderTransportOn429“takes only the swapped key and keeps the routed provider intact,” andstructure/04_transports-and-sidecars.mdsays rotation inherits the request's routed provider and swaps only the API key. This head intentionally does the opposite for persisted fields: it rebuilds from the committed row, re-applies registry metadata, and preserves only runtimefetchplus generated OpenCode session affinity. Update both descriptions and record the fresh persisted-state precedence and its tradeoff so a later refactor does not restore the stale merge.
The new source comment and regression for a concurrently removed headers field otherwise address the prior concern. I will re-review the rebased exact head and its CI.
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Correction for current exact head 8b0327f4b: the rebase landed just before my preceding review was submitted, so its first stale-base/DIRTY bullet is already resolved. This head is based on current dev 79e03643d, and the affected server tests are in their domain paths.
The documentation blocker remains. The JSDoc above rotateKeyOn429 still says the transport helper “takes only the swapped key and keeps the routed provider intact,” and structure/04_transports-and-sidecars.md still records that same old ownership rule. Current code intentionally rebuilds from the committed provider row, reapplies registry metadata, and preserves only runtime fetch plus generated OpenCode session affinity. Please update those two authoritative descriptions, then run exact-head CI. No additional source defect was found in this rebase.
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The documentation blocker is fixed on 92b4eda. The rotateKeyOn429 contract and structure/04_transports-and-sidecars.md now state that retries rebuild from fresh committed provider state, reapply registry metadata, discard stale request-time config, and preserve only runtime fetch plus generated OpenCode session affinity. Focused key-failover tests are 16/16; typecheck, privacy, and diff checks pass. @coderabbitai review |
🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '== PR metadata =='
gh pr view 3529 --json number,headRefOid,baseRefName,isDraft,mergeStateStatus,url
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echo '== Relevant current source outline =='
ast-grep outline src/providers/key-failover.ts --items all --view expanded
echo '== Current retry implementation =='
rg -n -A150 -B25 \
'\brotateKeyOn429\b|\brotateProviderTransportOn429\b|\broutedProviderConfig\b|\bresolveProviderTransport\b|OPENCODE_GO_SESSION_HEADER' \
src/providers/key-failover.ts
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fd -a '^04_transports-and-sidecars\.md$' .
rg -n -i -A20 -B12 \
'rotateKeyOn429|429|committed provider|retry|request-time|OpenCode|session affinity|registry metadata' \
structure/04_transports-and-sidecars.md
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fd -a -t f 'key-failover.*test\.(ts|tsx|js|jsx)$' tests
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'custom headers|stale|committed provider|request-time|OpenCode|session|rotateProviderTransportOn429|rotateKeyOn429' \
tests/server
echo '== Current PR patch for source, documentation, and key-failover tests =='
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src/providers/key-failover.ts \
structure/04_transports-and-sidecars.md \
tests/server/key-failover.test.tsLength of output: 199886 🏁 Script executed: #!/bin/bash
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fd -a -t f 'key-failover.*test\.(ts|tsx|js|jsx)$' tests
echo '== Retry implementation (numbered) =='
rg -n -C 8 \
'export async function rotateKeyOn429|export async function rotateProviderTransportOn429|function rotateKeyOn429|function rotateProviderTransportOn429' \
src/providers/key-failover.ts
start=$(rg -n 'rotateKeyOn429' src/providers/key-failover.ts | head -1 | cut -d: -f1)
end=$((start + 180))
sed -n "${start},${end}p" src/providers/key-failover.ts | nl -ba -v "$start"
echo '== Documentation contract (numbered) =='
rg -n -i -C 6 \
'rotateKeyOn429|committed provider|request-time|runtime fetch|OpenCode session|registry metadata|retry' \
structure/04_transports-and-sidecars.md
echo '== Documentation change in commit 92b4eda26 =='
git show --format=fuller --find-renames --stat 92b4eda26
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src/providers/key-failover.ts structure/04_transports-and-sidecars.md
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'rotateKeyOn429|committed provider|committed row|request-time|runtime fetch|OpenCode session|registry metadata|retry' \
structure/04_transports-and-sidecars.md
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structure/04_transports-and-sidecars.md src/providers/key-failover.ts
echo '== Test definitions that exercise transport rotation =='
rg -n -C 15 \
'does not resurrect|custom headers|rotateProviderTransportOn429|generated OpenCode session|session affinity|stale.*header' \
tests/adapters/key-failover.test.ts \
tests/server/server-key-failover-e2e.test.ts
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tests/adapters/key-failover.test.ts \
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echo '== Header and session regression tests =='
rg -n -i -C 30 \
'custom headers|x-user-header|does not resurrect|session affinity|OPENCODE_GO_SESSION_HEADER|rotateProviderTransportOn429' \
tests/adapters/key-failover.test.ts \
tests/server/server-key-failover-e2e.test.ts
echo '== Documentation-fix commit =='
git show --format=fuller --stat 92b4eda26
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src/providers/key-failover.ts \
structure/04_transports-and-sidecars.md \
tests/adapters/key-failover.test.ts \
tests/server/server-key-failover-e2e.test.ts
echo '== Current working tree status =='
git status --shortLength of output: 27886
I found no new issue in this focused review. I did not independently run the reported focused tests, type check, privacy scan, or diff checks in this sandbox. ✅ Action performedReview finished.
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Rechecked current head |
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gh pr view 3529 --json number,url,headRefOid,baseRefName,headRefName,isDraft,mergeStateStatus
echo '== Base and current head =='
git rev-parse HEAD
git show -s --format='HEAD %H%n%P%n%s' HEAD
git show -s --format='dev-79e03643d %H%n%P%n%s' 79e03643d 2>/dev/null || true
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echo '== Relevant source outline =='
ast-grep outline src/providers/key-failover.ts --items all --view expanded
echo '== Failover implementation =='
rg -n -A165 -B25 \
'export async function rotateKeyOn429|export async function rotateProviderTransportOn429|function rotateKeyOn429|function rotateProviderTransportOn429|mutatePersistedConfig|routedProviderConfig|resolveProviderTransport|OPENCODE_GO_SESSION_HEADER' \
src/providers/key-failover.ts
echo '== Locate relocated tests =='
fd -a -t f 'key-failover.*test\.(ts|tsx|js|jsx)$' tests
fd -a -t f 'server-key-failover-e2e\.test\.(ts|tsx|js|jsx)$' tests
echo '== Relocated test outlines =='
for f in $(fd -a -t f 'key-failover.*test\.(ts|tsx|js|jsx)$' tests); do
echo "-- $f"
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rg -n -i -A85 -B20 \
'unavailable|concurrent|stale|custom headers|x-user-header|OpenCode.*session|session affinity|rotateProviderTransportOn429|rotateKeyOn429' \
tests/server
echo '== Relevant effective diff =='
git diff --find-renames --unified=50 origin/dev...HEAD -- \
src/providers/key-failover.ts \
tests/server \
structure/04_transports-and-sidecars.mdLength of output: 2844 🏁 Script executed: #!/bin/bash
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echo '== Current source outline =='
ast-grep outline src/providers/key-failover.ts --items all --view expanded
echo '== Current failover implementation =='
rg -n -A170 -B25 \
'export async function rotateKeyOn429|export async function rotateProviderTransportOn429|function rotateKeyOn429|function rotateProviderTransportOn429|mutatePersistedConfig|routedProviderConfig|resolveProviderTransport|OPENCODE_GO_SESSION_HEADER' \
src/providers/key-failover.ts
echo '== Current test files =='
fd -a -t f 'key-failover.*test\.(ts|tsx|js|jsx)$' tests
fd -a -t f 'server-key-failover-e2e\.test\.(ts|tsx|js|jsx)$' tests
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'unavailable|concurrent|stale|custom headers|x-user-header|OpenCode.*session|session affinity|rotateProviderTransportOn429|rotateKeyOn429|saveConfig|clearKeyCooldowns' \
tests/server
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'rotateKeyOn429|committed provider|request-time|runtime fetch|OpenCode session|registry metadata|retry' \
structure/04_transports-and-sidecars.md
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git diff --find-renames --unified=40 "$base...$head" -- \
src/providers/key-failover.ts \
tests/server \
structure/04_transports-and-sidecars.md || true
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gh pr diff 3529 --name-only
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gh pr diff 3529 --patch -- \
src/providers/key-failover.ts \
tests/server/key-failover.test.ts \
tests/server/server-key-failover-e2e.test.ts \
structure/04_transports-and-sidecars.mdLength of output: 184163 🏁 Script executed: #!/bin/bash
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rg -n -A150 -B20 'export function mutatePersistedConfig|export async function mutatePersistedConfig|function mutatePersistedConfig|type .*Mutation|status: "unavailable"|status.*unavailable' src/config.ts src 2>/dev/null | head -n 500
echo '== Key-failover source, numbered =='
nl -ba src/providers/key-failover.ts | sed -n '155,340p'
echo '== Transport-rotation call sites =='
rg -n -A12 -B12 '\brotateProviderTransportOn429\s*\(' src tests
echo '== Focused test names and locations =='
rg -n '^\s*test\(' tests/adapters/key-failover.test.ts tests/server/server-combo-failover-e2e.test.ts tests/server/terminal-guard-server.test.ts | \
rg -i 'rotate|429|cooldown|persist|stale|concurrent|header|retry budget'
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nl -ba tests/adapters/key-failover.test.ts | sed -n '1,380p'
echo '== Current PR diffs, separate files =='
for f in \
src/providers/key-failover.ts \
tests/adapters/key-failover.test.ts \
tests/adapters/openai/openai-chat-native-policy.test.ts \
tests/providers/openrouter-provider-routing.test.ts \
tests/server/server-combo-failover-e2e.test.ts \
tests/server/terminal-guard-server.test.ts \
structure/04_transports-and-sidecars.md
do
echo "-- $f"
git diff --unified=12 79e03643d...HEAD -- "$f"
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echo '== Persisted-provider adoption helper and guarded save paths =='
sed -n '3168,3215p' src/config.ts
rg -n -A16 -B12 '\badoptPersistedProviderIntoLiveConfig\s*\(' src tests
rg -n -A20 -B12 '\bsaveConfigPreservingClaudeCode\s*\(' src/config.ts src/server src/providers
echo '== Rotation call sites and config provenance =='
rg -n -A24 -B16 '\brotateProviderTransportOn429\s*\(' src
rg -n -A24 -B16 '\brotateKeyOn429\s*\(' src
echo '== Focused key-failover tests, portable numbered output =='
sed -n '1,380p' tests/adapters/key-failover.test.ts | awk '{ printf "%d:%s\n", NR, $0 }'
echo '== Focused test references to live config persistence after rotation =='
rg -n -A28 -B18 \
'saveConfigPreservingClaudeCode|saveConfig\(|adoptPersistedProviderIntoLiveConfig|rotateKeyOn429|rotateProviderTransportOn429' \
tests/adapters/key-failover.test.ts tests/server/server-combo-failover-e2e.test.ts tests/server/terminal-guard-server.test.ts
echo '== Relevant current head patch summary =='
git diff --stat 79e03643d...HEAD
git diff --check 79e03643d...HEADLength of output: 167363
High — update the live-config baseline after a committed key rotation
config.providers[providerName] = committed;This bypasses The failure sequence is:
This conflicts with the stated purpose of rebasing failover on the latest persisted provider state. Replace the direct assignment with The focused test layout is otherwise consistent. The current PR still keeps
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… (#3546) * fix(providers): rebase key failover on persisted state * fix(providers): drop stale failover fields * docs(providers): record failover state precedence * chore: carry #3529 onto current dev Co-authored-by: yansigit <44089734+yansigit@users.noreply.github.com> --------- Co-authored-by: SB Yoon <44089734+yansigit@users.noreply.github.com> Co-authored-by: jun <jun@lidge.dev>
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Summary
This is an internal consistency fix with no command, schema, or GUI change, so no user-facing docs or release note are needed.
Verification
bun test tests/adapters/key-failover.test.ts tests/adapters/openai/openai-chat-native-policy.test.ts tests/providers/openrouter-provider-routing.test.ts tests/server/server-combo-failover-e2e.test.ts tests/server/terminal-guard-server.test.ts tests/repo-hygiene.test.ts tests/test-layout.test.ts— 163 pass, 0 fail after rebasing onto currentdev(79e03643d).bun test tests/adapters/key-failover.test.ts— 16 pass, 0 fail after the documentation correction.bun run typecheck— pass on the current head.bun run privacy:scan— pass on the current head.git diff --check— pass on the current head.bun run test— the full parallel suite and serial gates completed except one serial test whose isolated worktree initially lacked the bundled Bun dependency; afterbun install, that exact file passed 15/15. No code test failed.Checklist
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