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Get Started Free →Use when appending structured perf investigation notes and evidence.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 120% | 0% |
| case-02 | ✗→✓ | ▲ Improved | -1% | 0% |
| case-07 | ✗→✓ | ▲ Improved | 29% | 0% |
| case-10 | ✗→✓ | ▲ Improved | 0% | 0% |
| case-11 | ✗→✓ | ▲ Improved | 57% | 0% |
Append structured investigation notes to {state-dir}/perf/investigations/<id>.md.
Follow docs/perf-requirements.md as the canonical contract.
## <Phase Name> - <YYYY-MM-DD>
**User Quote:** "<exact quote>"
**Summary**
- ...
**Evidence**
- Command: `...`
- File: `path:line`
**Decision**
- ...AI_STATE_DIR for state path (default .claude).Other measured skills in the registry, with their headline benchmark lift.