Bisect
- Symptom + how to reproduce.
- Last green —
docs/BRIEF.mdSHA, else ask, elsegit log. - Park broken work (
stash -uor WIP branch). - Return to green; confirm symptom gone.
- Replay one chunk; verify; keep or split on red.
- Update
docs/BRIEF.md(symptom, last green, chunk, result) until clean or deferred.