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Find reproducible root causes for bugs, flakes, failures, or regressions.
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Basé sur la classification professionnelle SOC
Produce and approve one lean living Feature Brief after $he selects lifecycle work.
Route explicit lifecycle requests or genuinely complex or high-risk staged work through one living Feature Brief.
Design or review DESIGN.md, UI tokens, and component ownership.
Run deterministic project gates, including worktree readiness.
Prove browser/device behavior and visual evidence.
Execute an approved PLAN one demonstrable vertical slice at a time until the actual implementation is green.
| name | diagnosing-bugs |
| description | Find reproducible root causes for bugs, flakes, failures, or regressions. |
| State | Load/action | Complete |
|---|---|---|
| Root cause unproven | diagnose.md | Mechanism proven, or exact reproduction/access blocker |
| Root cause proven + fix explicitly requested | fix.md | Original proof + regression proof + applicable gates pass |
| Root cause proven + no fix request | Report only | Evidence + blast radius + fix direction returned; source unchanged |
| Need | Route |
|---|---|
| Authorized Sentry runtime evidence | $sentry |
| Real UI reproduction | $e2e |
| Regression-test design | $test-quality |
| Commands + final project gates | $deterministic-checks |
| Field | Required content |
|---|---|
| Result | `PASS |
| Reproduction | Command/path + environment + observed red proof |
| Root cause | Owner + mechanism + decisive evidence |
| Eliminated | Rejected hypothesis + counterevidence, or N/A when one decisive mechanism required no alternative |
| Blast radius | Callers/data/contracts/UI/tests/config/runtime affected |
| Proof | Original + regression + gates, or exact gap |
| Next | Fix direction or blocker owner/action |
