[self-care:open-source-failures] Open-source failures digest for 2026-09-05 activity snapshot

Snapshot 2026-09-05T13:59:32.698Z across a fixed 7-day window found 1,645 failed workflow runs in 7 public projects, with the highest-impact untracked pattern concentrated in `githubnext/gh-aw-cao`: repeated live-mode pre-activation failures blocked 19 runs across 4 workflows because target authority was reported missing, and repeated safe-output processing failures affected 13 runs across 5 workflows. The bounded snapshot also includes many conclusion-only failures that indicate recurrence but do not support a confident shared cause.

**Action:** CAO maintainers should triage the two remediation issues below first; accept when the affected workflows complete successfully in new runs without the cited pre-activation or safe-output failures.

Critical findings:
- P1: `githubnext/gh-aw-cao` had 19 runs across `aw-failures-investigator`, `aw-maintenance-compiler-security`, `aw-maintenance-upgrade`, and `dependabot-release-train-updater` fail with `Target authority missing: add .github/workflows/cao.json to the target default branch for live mode`.
- P1: `githubnext/gh-aw-cao` had 13 runs across 5 workflows fail at `safe_outputs` / `Process Safe Outputs`, suggesting a shared output-processing defect rather than isolated workflow logic errors.
- P1: `githubnext/gh-aw-cao` also showed repeated `Generate GitHub App token` and `Build documentation` failures, but those were lower-volume than the two clusters above.
- P2 / insufficient evidence: the remaining clusters were isolated or conclusion-only and were not suitable for remediation issue filing from this bounded snapshot alone.

Snapshot summary

- Snapshot generated: `2026-09-05T13:59:32.698Z`
- Evidence window: `168` hours
- Public projects scanned: `7`
- Failed runs in snapshot: `1645`
- Snapshot truncation: not disclosed by evidence file; only the newest bounded failure set in `evidence.json` was analyzed

Severity counts from the bounded clustering pass:
- P0: `0`
- P1: `10`
- P2: `24`

Existing coverage search in `githubnext/gh-aw-cao` found no open issues with the `[self-care:open-source-failures]` title prefix, so all clusters were treated as untracked.

Prioritized remediation list

1. `githubnext/gh-aw-cao`: fix the repeated live-mode target-authority pre-activation failures affecting 19 runs across 4 workflows.
2. `githubnext/gh-aw-cao`: fix the repeated safe-output processing failures affecting 13 runs across 5 workflows.
3. Monitor but do not yet file from this snapshot alone: repeated `Generate GitHub App token` failures in `optimization-ai-credit-optimizer` and repeated `Build documentation` failures in `self-care-accessibility-checker`.

Representative clusters

- **P1 — target authority missing**
- Repository: `githubnext/gh-aw-cao`
- Workflows: `.github/workflows/aw-failures-investigator.lock.yml`, `.github/workflows/aw-maintenance-compiler-security.lock.yml`, `.github/workflows/aw-maintenance-upgrade.lock.yml`, `.github/workflows/dependabot-release-train-updater.lock.yml`
- Run count: `19`
- Representative run: https://github.com/githubnext/gh-aw-cao/actions/runs/33969905786
- Probable cause: live-mode target authority configuration mismatch or missing target declaration, directly stated by the run evidence
- Confidence: high

- **P1 — safe-output processing failures**
- Repository: `githubnext/gh-aw-cao`
- Workflows: `.github/workflows/pr-sous-chef.lock.yml`, `.github/workflows/self-care-dashboard-performance.lock.yml`, `.github/workflows/self-care-data-acquisition-audit.lock.yml`, `.github/workflows/software-development-practices-github-well-architected.lock.yml`, `.github/workflows/dependabot-release-train-updater.lock.yml`
- Run count: `13`
- Representative run: https://github.com/githubnext/gh-aw-cao/actions/runs/33969086540
- Probable cause: shared safe-output processing defect; bounded evidence does not identify whether the root cause is payload shape, routing, or downstream tool handling
- Confidence: medium

- **P1 — GitHub App token generation**
- Repository: `githubnext/gh-aw-cao`
- Workflow: `.github/workflows/optimization-ai-credit-optimizer.lock.yml`
- Run count: `5`
- Representative run: https://github.com/githubnext/gh-aw-cao/actions/runs/33968777404
- Probable cause: more evidence required
- Confidence: low

- **P1 — documentation build**
- Repository: `githubnext/gh-aw-cao`
- Workflow: `.github/workflows/self-care-accessibility-checker.lock.yml`
- Run count: `3`
- Representative run: https://github.com/githubnext/gh-aw-cao/actions/runs/33969070801
- Probable cause: more evidence required
- Confidence: low

### Control Plane
- Correlation ID: `33971819942-226`
- Central repository: `githubnext/gh-aw-cao`
- Control plane run URL: `https://github.com/githubnext/gh-aw-cao/actions/runs/33971819942`

> Generated by [SelfCare / Open Source Failures](https://github.com/githubnext/gh-aw-cao/actions/runs/33971980179) · pi · gpt54 · 28.8 AIC · ⌖ 8.74 AIC · ⊞ 8.3K · [◷](https://github.com/search?q=repo%3Agithubnext%2Fgh-aw-cao+is%3Aissue+%22gh-aw-workflow-call-id%3A+githubnext%2Fgh-aw-cao%2Fself-care-open-source-failures%22&type=issues)
> - [x] expires on Sep 19, 2026, 2:35 PM UTC

Start by reading the representative runs 33969905786 and 33969086540, then inspect the listed .github/workflows/*.lock.yml files for the target-authority and safe-output failure paths. Reproduce or examine new runs across the affected workflows; done means they complete successfully without the cited pre-activation or safe-output failures.

Written by the indexing model from the issue text.