- Complete engine.rs with all AI-powered video operations
- Complete handlers.rs with 28+ HTTP API endpoints
- Add analytics.rs for video engagement tracking
- Add mcp_tools.rs for AI agent integration (6 tools)
- Add render.rs with FFmpeg worker and .gbdrive storage
- Add websocket.rs for real-time export progress
- Wire up all submodules and routes in mod.rs
AI features: transcription, auto-captions, TTS, scene detection,
auto-reframe, background removal, enhancement, beat sync, waveforms
Follows PROMPT.md: SafeCommand, SafeErrorResponse, no unwrap/comments