Storage Tier System:
- Add StorageTier enum (Green >30% / Yellow 10-30% / Red <10%)
- Extend StorageGuardResult with Tier, CanStartNewRecording, ShouldPauseActive, UsagePercent
- Yellow tier: deny new recordings but allow existing to finish and upload
- Red tier: deny new recordings and pause active sessions
- Auto-recovery: when disk frees up, polling automatically resumes new recordings
- Update LiveRoomPollingBackgroundService to use tier-based checks
- Expose tier + usage percent in Recovery API
Dashboard Queue Monitor:
- Add pending transcode count, pending upload count, queued data volume to dashboard
- Add storage tier badge (Green/Yellow/Red) with usage percentage
- Add queue monitoring card to dashboard view
Co-Authored-By: Claude Opus 4.8 noreply@anthropic.com
nanxun
