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enias 9e63f5772d feat: Implement Phase 4 WebSocket Infrastructure and Real-Time Processing 
MAJOR FEATURES:
- ✅ Task 14: Real-Time Processing & WebSocket Integration
  - WebSocket endpoints for live video processing updates
  - Real-time transcript streaming during processing
  - Browser notifications for job completion/errors
  - Progress tracking with WebSocket manager enhancements

WEBSOCKET INFRASTRUCTURE:
- backend/api/websocket_processing.py: 3 WebSocket endpoints
  - /ws/process/{job_id}: Job-specific processing updates
  - /ws/system: System-wide notifications
  - /ws/notifications: Browser notification delivery
- backend/services/transcript_streaming_service.py: Real-time transcript chunks
- backend/services/browser_notification_service.py: Notification system
- Enhanced backend/core/websocket_manager.py: Transcript streaming support

TASK MASTER INTEGRATION:
- .taskmaster/docs/phase4_prd.txt: Comprehensive Phase 4 PRD
- .taskmaster/config.json: Updated with free Claude Code + Gemini CLI models
- Task Master configured for Tasks 14-20 generation

EPIC 4 ADVANCED FEATURES:
- Enhanced export system with 6 domain-specific templates
- Multi-agent analysis with perspective-based summaries
- RAG-powered video chat with ChromaDB integration
- Executive summary generation with ROI analysis
- Professional document formatting with timestamped navigation

DATABASE ENHANCEMENTS:
- Epic 4 migration: 21 tables with advanced features
- Multi-agent tables: agent_summaries, prompt_templates
- Enhanced export: export_metadata, summary_sections
- RAG chat: chat_sessions, chat_messages, video_chunks
- Analytics: playlist_analysis, rag_analytics

PERFORMANCE IMPROVEMENTS:
- Faster-whisper integration: 20-32x speed improvement
- Large-v3-turbo model with intelligent optimizations
- Voice Activity Detection and int8 quantization
- Audio retention system for re-transcription

API EXPANSIONS:
- Enhanced export endpoints with domain intelligence
- Chat API for RAG-powered video conversations
- History API for job tracking and management
- Multi-agent orchestration endpoints

DEVELOPMENT INFRASTRUCTURE:
- Backend CLI with interactive mode
- Comprehensive test coverage expansion
- Documentation updates across all files
- Server restart scripts for development workflow

🚀 Production-ready WebSocket infrastructure for real-time user experience
📊 Advanced AI features with multi-model support and domain intelligence
⚡ Massive performance gains with faster-whisper transcription engine

Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>
 		2025-08-27 20:38:11 -04:00
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1.1.project-setup-infrastructure.md feat: Implement Story 1.2 - YouTube URL Validation and Parsing 2025-08-25 00:45:24 -04:00
1.2.youtube-url-validation-parsing.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
1.3.transcript-extraction-service.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
1.4.basic-web-interface.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
1.5.video-download-storage-service.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
2.1.single-ai-model-integration.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
2.2.summary-generation-pipeline.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
2.3.caching-system-implementation.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
2.4.multi-model-support.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
2.5.export-functionality.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
3.1.user-authentication-system.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
3.3.summary-history-management.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
3.4.batch-processing.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
3.5.real-time-updates.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
4.1.dual-transcript-options.md feat: Enhanced Epic 4 with Multi-Agent System and RAG Chat 2025-08-27 04:22:46 -04:00
4.3.multi-video-multi-agent-analysis.md feat: Implement Phase 4 WebSocket Infrastructure and Real-Time Processing 2025-08-27 20:38:11 -04:00
4.4.custom-models-enhanced-export.md feat: Implement Phase 4 WebSocket Infrastructure and Real-Time Processing 2025-08-27 20:38:11 -04:00
4.6.rag-powered-video-chat.md feat: Implement Phase 4 WebSocket Infrastructure and Real-Time Processing 2025-08-27 20:38:11 -04:00