- Added GetStreamInfo method to HLSService
- Added GetStreamInfo handler in HLSHandler
- Standardized GetStreamStatus handler to use RespondSuccess/RespondWithAppError
- Added routes: GET /tracks/:id/hls/info and GET /tracks/:id/hls/status
- GetStreamInfo returns general stream information
- GetStreamStatus returns status with processing info if applicable
- Handlers use standard API response format
Phase: PHASE-2
Priority: P1
Progress: 29/267 (10.9%)
