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[deep-report] Investigate 49% agent-job failure rate across 210-run fleet sample (2026-08-10→11) #52093

Description

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Description

The Safe Output Health Monitor's 2026-08-11 audit (discussion #51935) inspected all 210 agentic-workflow runs in its 24h window (80 distinct workflows) and found the safe_outputs job itself perfectly healthy (0 failures), but noted — explicitly out of its own scope — that 103 of 210 runs (49.0%) had an agent-job failure, concentrated in Execute Claude Code CLI / Execute GitHub Copilot CLI / Ingest agent output steps. This is dramatically higher than the ~10% driver-exit-failure rate seen in a prior 50-run spot sample (per repo-memory baseline from the 2026-08-10 DeepReport cycle) and higher than any single per-workflow failure rate in the same-day Agent Performance Report (discussion #52052, worst single workflow: PR Sous Chef at 16/25 = 84% failure, several others at 100% failure with ≥2 runs). The monitor explicitly recommended this be "routed to whichever workflow owns agent-job health monitoring" — no such owner currently appears to exist, and no open issue tracks the aggregate fleet-wide rate (as distinct from individual per-workflow reliability issues like #51789's P0 Copilot CLI segfault).

Expected Impact

Establishes ownership and a concrete investigation of whether the 49% figure reflects a real regression (vs. a skewed 24h sample dominated by known-broken chronic-failure workflows like PR Sous Chef, Issue Monster, Contribution Check) or an actual fleet-wide reliability drop worth escalating past the existing per-workflow issues.

Suggested Agent

A reliability/audit-focused agent with access to agenticworkflows logs — cross-reference the 103 failing runs against known chronic-failure workflows (PR Sous Chef #43143, Issue Monster, Copilot CLI segfault #51789) to determine what fraction is already-tracked vs. novel.

Estimated Effort

Medium (1-4 hours)

Data Source

DeepReport analysis 2026-08-11, sourced from Safe Output Health Monitor discussion #51935 and Agent Performance Report discussion #52052 (both 2026-08-11).

Generated by 🔬 Deep Report · agent · 142.3 AIC · ⌖ 47.8 AIC · ⊞ 11.4K ·

  • expires on Aug 13, 2026, 7:07 AM UTC-08:00

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