[self-care:open-source-failures] Investigate repeated safe-output processing failures in Dev Practices Well-Architected

`Dev Practices / Well-Architected` is repeatedly failing in `githubnext/gh-aw-cao` during safe-output processing. In the bounded snapshot, 5 runs reached the `safe_outputs` job and failed at `Process Safe Outputs`, which points to a recurring downstream output-handling problem rather than a one-off agent failure.

**Action:** The workflow owner should inspect the `Dev Practices / Well-Architected` safe-output payloads and routing, then rerun the workflow; accept when a new run completes the `Process Safe Outputs` step successfully.

The bounded evidence shows a stable repeated failure step but does not expose the underlying payload error, so the cause is only moderately confident: invalid or unsupported safe-output content, routing, or item targeting in this workflow.

Recommended bounded fix

- Review the workflow's safe-output emission path for malformed payloads, unsupported fields, or writes aimed at the wrong repository/item scope.
- Compare a failing run's emitted intent with the current safe-output schema for the configured primitive.
- Re-run once after the smallest viable fix and confirm `Process Safe Outputs` succeeds.

Representative runs

- https://github.com/githubnext/gh-aw-cao/actions/runs/33966614627
- https://github.com/githubnext/gh-aw-cao/actions/runs/33966605098
- https://github.com/githubnext/gh-aw-cao/actions/runs/33966591751
- https://github.com/githubnext/gh-aw-cao/actions/runs/33966581939
- https://github.com/githubnext/gh-aw-cao/actions/runs/33966571743

Observed recurrence in bounded snapshot: 5 runs.
Confidence: medium.
Probable cause: repeated safe-output processing error; exact payload defect not visible in the bounded snapshot.

Agent prompt

Inspect the `Dev Practices / Well-Architected` workflow's safe-output generation path. Find the smallest change that prevents `Process Safe Outputs` from failing, with special attention to payload shape, supported fields, target repository/item routing, and review-vs-live mode assumptions. Prepare the minimal fix and explain how a rerun verified the safe-output step succeeded.

### Control Plane
- Correlation ID: `33968361820-222`
- Central repository: `githubnext/gh-aw-cao`
- Control-plane run: https://github.com/githubnext/gh-aw-cao/actions/runs/33968361820

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> - [x] expires on Sep 19, 2026, 1:25 PM UTC

Start with the `Dev Practices / Well-Architected` workflow's safe-output generation and inspect the payloads from the five representative runs, especially the `Process Safe Outputs` step. Compare the emitted intent with the current safe-output schema and routing rules. Done means a rerun completes `Process Safe Outputs` successfully.

Written by the indexing model from the issue text.