fix(service): prevent Windows proxy starvation with normal scheduler priority - #3638
fix(service): prevent Windows proxy starvation with normal scheduler priority#3638S0RYUASUKA wants to merge 2 commits into
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Included review availability: Your plan provides up to 10 included reviews per hour; 8 remain after this review. 📝 WalkthroughWalkthroughWindows Task Scheduler installations now use priority ChangesWindows scheduler priority
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to Windows Task Scheduler registrations now use Normal priority, while explicit repair migrates legacy default-priority tasks and preserves already Normal or High registrations. The documented migration behavior is covered by focused tests, with no active merge-blocking risk identified. Sequence Diagram(s)sequenceDiagram
participant repairService
participant TaskScheduler
participant buildWindowsTaskXml
repairService->>TaskScheduler: Read registered task priority
TaskScheduler-->>repairService: Return priority 7 or omitted priority
repairService->>buildWindowsTaskXml: Generate XML with priority 4
buildWindowsTaskXml-->>repairService: Return updated task XML
buildWindowsTaskXml->>TaskScheduler: Re-register task
Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 2 files. (8 skipped: 8 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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리뷰 · 우선순위 64 / 80이 PR은 Windows Task Scheduler가 프록시를 BelowNormal( 현재 다만 아직 draft이고, 본문에 full pre-push 게이트는 통과하지 못했다고 스스로 적었습니다(WebSocket rewrite 등은 이 패치와 무관한 기존 실패로 재현). 설치·UAC·재부팅 E2E도 안 돌렸다고 했습니다. 코드 자체는 작고 의도가 분명합니다. 라인별로는 아래가 걸립니다. src/service.ts buildWindowsTaskXml Priority 4 - 방향은 맞음. High(1)로 올리지 않은 선택은 문서·이슈 근거와 일치 메인테이너의 판단이 필요한 지점
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Validation evidence for the Windows scheduler-priority change Landed in dev via #3682 on 2026-09-05 at 16:55 UTC. Both original contributions retain Clive Rosfield / S0RYUASUKA as their commit author. The ten affected source, test, and documentation files match the submitted candidate, and the merge is an ancestor of current dev. The repository's unchanged Cross-platform CI was also run in the contributor fork with workflow_dispatch and lane=all on both the submitted candidate and its unmodified dev base:
Both include all six Windows test shards, four Linux test shards, two macOS test shards, and the workflow's additional gates. These are completed fork CI results, separate from the maintainer's upstream integration checks and the local checks below. No new failure was observed in this full CI comparison. The full local gate is not green. The ordinary pre-push runner uses Bun's default 5-second test deadline, whereas the repository's Windows CI uses Five affected files were tested with the same Windows host, Bun 1.4.0, built dashboard, CI settings, and no inherited proxy variables in the test child. The unmodified dev comparison exchanged only bun test --isolate --timeout 60000 \
tests/responses/ws-upstream.test.ts \
tests/codex-integration/codex-models-cache-invalidate.test.ts \
tests/adapters/anthropic/anthropic-image-retry-e2e.test.ts \
tests/routing/combo-management-api.test.ts \
tests/providers/command-code-fakeip-discovery.test.ts
WebSocket rewriting, model-cache invalidation, Anthropic image retry, and fake-IP discovery pass under these settings in both comparisons. This comparison establishes that the remaining observed failure is reproducible without the priority patch. It does not establish that every other file in the full suite passes or diagnose the underlying combo timeout. The priority change has separate service/scheduler regression coverage (218 pass, 3 skip, 0 fail) and a disposable native Windows Task Scheduler smoke: generated priority-4 XML launched a real Bun process at Normal priority and returned HTTP 200; the temporary task was removed. This smoke is not a complete installed-service/UAC/reboot test. The accepted change is scoped to scheduler priority, repair migration, and the corresponding documentation. No unrelated baseline test, timeout, or runtime implementation was changed. The local full-suite readiness checkbox was left unchecked; passing hosted CI is not a claim that the local full suite passed. The maintainer completed integration and closed this PR as superseded and the original report as completed. |
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@lidge-jun @Ingwannu The branch is now rebased onto current Could you approve the pending repository workflows and confirm whether repository CI can serve as the full-suite gate given the baseline timeout evidence linked in the description? The local full-suite checkbox remains unchecked. I will handle failures introduced by this patch and valid review findings without expanding into unrelated baseline repairs. If the fix is carried through another PR, please preserve the original authorship with the repository's required trailer: |
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Inline comments:
In `@docs-site/src/content/docs/reference/cli/lifecycle.md`:
- Around line 240-245: Update the Japanese, Korean, Russian, and Simplified
Chinese localized lifecycle pages to document the Windows Task Scheduler
priority migration: installs use Priority=4, repair migrates priority 7 or an
omitted value and restarts the service, may request UAC approval, and preserves
existing normal or high priority without replacement.
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docs-site/src/content/docs/reference/cli/lifecycle.mdsrc/service.tstests/service/service.test.ts
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Implemented by #3682 and merged into |
lidge-jun
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Summary
Closes #3634.
Windows Task Scheduler currently starts the proxy at BelowNormal priority. During sustained CPU contention, the process can remain alive while missing the tray's 700 ms health deadline, producing Offline and stalled requests. Generate task priority 4 (Normal) instead of 7, and let
ocx service repairrefresh an otherwise recognized registration that still has priority 7 or omits it (the scheduler's default is also 7).The migration reuses the existing registration, ownership verification, rollback, and restart path. Normal and explicitly High registrations do not trigger replacement solely because of priority. The CLI documentation explains the one-time repair and possible UAC prompt. No provider routing or tray timeout changes are included.
The linked issue separates production observations (43 timeouts in 2,631 loopback probes with an unchanged process) from an isolated Bun scheduling experiment. Swapping server priorities moved the timeouts with BelowNormal; Normal had zero failures in both runs. This supports Normal as the default without promoting every installation to High.
Verification
bun test tests/service/service.test.ts tests/windows/windows-scheduler-install-verification.test.ts: 218 passed, 3 skipped, 0 failed on Windows with Bun 1.4.0. Includes legacy priority 7, omitted priority, Normal, and High repair cases.bun run typecheck: passed.bun run privacy:scan: passed.cd docs-site && bun run build: passed, 425 pages.git diff --check: passed.The full local gate is not green. Under the repository's Windows CI settings (
CI=true,--timeout 60000, built dashboard, and no inherited proxy variables in the test child), five affected files produce 112 pass, 1 skip, 1 fail on both this patch and the unmodified dev service implementation. WebSocket rewriting, model-cache invalidation, Anthropic image retry, and fake-IP discovery pass. The remaining combo subagent-model listing test exceeds its explicit 15-second deadline in both implementations. No test or runtime change was made to suppress that baseline failure. The comparison covers those five files, not the complete suite. Commands and results are recorded in the validation evidence.bun run test:changedalso ended without a final result. The branch was pushed with--no-verifyafter the focused checks, and remains draft pending resolution of the full-suite gate. Neither those checks nor the baseline comparisons constitute a full-suite pass. Repository workflows await maintainer approval.The automated service tests isolate scheduler mutations. A disposable native Windows Task Scheduler smoke loaded XML generated by the production builder, registered priority 4, launched a real Bun process at Normal priority, and received HTTP 200; the temporary task was removed. This is a scheduling smoke, not a complete installed-service/UAC/reboot end-to-end test. The reporter's live production service was not restarted or modified for PR validation.
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Review readiness checklist
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Enhancements
4), helping prevent delayed health checks and incorrect Offline status.7or an unspecified priority, restarts the service, and may request administrator approval.Documentation