- Refactor `src/roster.mjs` to support dependency injection for `fs` and `loadTorchConfig`.
- Add `test/roster.test.mjs` to test roster loading scenarios including file precedence, caching, fallback, and configuration overrides.
- Export `_resetRosterCache` in `src/roster.mjs` for testing purposes.
Co-authored-by: PR0M3TH3AN <[email protected]>