- Remove legacy endpoints: /api/change-folder, /api/index, /api/scan, /api/status,
/api/playback/resume-positions
- Remove legacy global scanner module-level API from hivescan/scanner.py
- Defer all filesystem validation to background task in server lifespan (macOS-safe)
- CLI and winmain pass raw paths via MEDIAHIVE_ROOTS; no pre-startup validation
- Enforce POSIX paths everywhere (as_posix(), no backslash leakage)
- Remove MEDIAHIVE_PATH and MEDIAHIVE_DEFER_INITIAL_ROOT env vars
- Update frontend api.ts to use per-root resume positions
- Update docs/API.md and docs/multi-index-plan.md
- Fix Python 2 style except clauses in hivescan/utils.py and scanning.py