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[regression] Daily CI Regression Audit — 34921539218 #61005

Description

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Summary

CI failure rate (last 20 runs): 4/20 = 20% (3 additional cancelled runs). Recommended action: monitor — no active failure streak (last 11 runs are all success), but a cluster of failures/cancellations occurred earlier on 2026‐09‐14 (runs #55102#55110) worth watching for recurrence.

Failure Details

Run conclusions (most recent 20, newest first): success ×13, failure ×4, cancelled ×3 — all failures/cancellations are concentrated in runs #55102#55110 (2026‐09‐14 17:06–18:17 UTC); the 11 most recent runs (#55111#55121) are all green.

Top failure patterns identified (from the 3 most recent failed runs):

  1. Lock file drift (2 of 3 runs — runs 34877889894 / job Check workflow markdown/lock drift and 34873892511)

    ERROR: Workflow lock files are out of sync with their markdown sources.
    If you edited any .github/workflows/*.md file in this repository, run make recompile before committing so the generated .lock.yml files stay in sync.
    

    Both failures produced the identical error, indicating a .md workflow source was committed without running make recompile. This looks like a process gap rather than a code regression — the same commit(s) likely triggered both consecutive failures before being fixed (run Agent Persona Exploration - 2026-08-23 #55109 immediately after was success).

  2. Flaky test cleanup in pkg/cli (run 34879934002, job "Integration: CLI Completion & Other")

    --- FAIL: TestPRTransferGitIntegrationScopesPatchAndCommitMessage (0.31s)
    testing.go:1464: TempDir RemoveAll cleanup: unlinkat .../remote.git: directory not empty
    

    Test logic itself passed ("PR created successfully"); failure is in t.TempDir() cleanup after a git integration test leaves file handles/objects open. This is a flaky test infrastructure issue (temp dir race), not a functional regression — no other test in the run failed.

  3. Cancelled runs (3 consecutive, runs [delight] User Experience Analysis Report - 2026-08-23 #55104Fix Codex credential check 401 by disabling WebSocket transport #55106): all cancelled together in the same short window as failure [aw] Issue Arborist failed #55107, consistent with a cascading cancellation (e.g., concurrency group cancellation) rather than independent regressions.

Open regression/bug issues (label:bug,regression, state=open):

No new regression issue is being opened for the flaky-test/lock-drift patterns above since they self-resolved (subsequent runs succeeded) and are not linked to the existing open regression issue.

Generated by 🧭 Daily Regression Audit · copilot · auto · 45 AIC · ⌖ 5.2 AIC · ⊞ 7.1K ·

  • expires on Sep 16, 2026, 6:39 PM UTC-08:00

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