- Added `scripts/**/*.ts` to the linter and formatter inclusion list in `biome.json`.
- Replaced manual array index searches with standard `indexOf` operations.
- Cleaned up unused variables, obsolete helpers, and command-line flags.
- Applied consistent formatting and code style across tooling scripts.
- Added standalone Bun script reading session JSONL with real per-request usage.
- Scanned main-vs-subagent split, residency, repeated reads, and edit churn.
- Classified costliest sessions via pi-ai for hygiene, spawn, and waste verdicts.
- Added stats:audit script, prompt, and scanFile unit tests.
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