219 lines
7.9 KiB
Markdown
219 lines
7.9 KiB
Markdown
# YouTube Summarizer - Epic Index
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## Epic Overview
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This index provides navigation and status tracking for all epics in the YouTube Summarizer project. Each epic represents a major milestone in the product development journey from basic functionality to advanced features.
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## Project Vision
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Create a self-hosted, hobby-scale YouTube Summarizer that transforms long-form video content into concise, actionable summaries using AI technology. Prioritize background processing, cost efficiency, and professional code quality while maintaining simplicity for hobby deployment.
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## Epic Status Dashboard
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| Epic | Status | Progress | Stories Complete | Next Action |
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|------|--------|----------|------------------|-------------|
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| **Epic 1** | 🟢 Ready for Development | 100% Stories Created (4/4) | Story 1.1 ✅ Complete, Stories 1.2-1.4 📋 Ready | Begin Story 1.2 Implementation |
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| **Epic 2** | ⏸️ Blocked | 0% (0/5) | None | Wait for Epic 1 |
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| **Epic 3** | ⏸️ Blocked | 0% (0/5) | None | Wait for Epic 2 |
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**Overall Project Progress**: 8% (1/14 stories completed)
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---
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## Epic 1: Foundation & Core YouTube Integration
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**🎯 Goal**: Establish foundational infrastructure and core YouTube integration
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**📁 Epic File**: [`epic-1-foundation-core-youtube-integration.md`](epic-1-foundation-core-youtube-integration.md)
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**🔗 Dependencies**: None (foundational epic)
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**📊 Status**: 🟢 Ready for Development - All stories created and ready for implementation
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### Stories in Epic 1
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| Story | Title | Status | File | Dependencies |
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|-------|-------|--------|------|--------------|
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| **1.1** | Project Setup and Infrastructure | ✅ **COMPLETED** | [`1.1.project-setup-infrastructure.md`](../stories/1.1.project-setup-infrastructure.md) | None |
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| **1.2** | YouTube URL Validation and Parsing | 📋 **CREATED** | [`1.2.youtube-url-validation-parsing.md`](../stories/1.2.youtube-url-validation-parsing.md) | Story 1.1 |
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| **1.3** | Transcript Extraction Service | 📋 **CREATED** | [`1.3.transcript-extraction-service.md`](../stories/1.3.transcript-extraction-service.md) | Story 1.2 |
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| **1.4** | Basic Web Interface | 📋 **CREATED** | [`1.4.basic-web-interface.md`](../stories/1.4.basic-web-interface.md) | Story 1.3 |
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### Key Deliverables
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- ✅ Complete development environment with Docker
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- ⏳ YouTube URL processing and validation
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- ⏳ Transcript extraction with fallbacks
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- ⏳ Basic responsive web interface
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### Architecture Components
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- **Backend**: FastAPI + Python 3.11+ with async support
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- **Frontend**: React 18 + TypeScript + shadcn/ui
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- **Database**: SQLite for development
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- **Deployment**: Docker Compose self-hosted
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---
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## Epic 2: AI Summarization Engine
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**🎯 Goal**: Implement AI-powered summarization with multi-model support and caching
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**📁 Epic File**: [`epic-2-ai-summarization-engine.md`](epic-2-ai-summarization-engine.md)
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**🔗 Dependencies**: Epic 1 (Foundation & Core YouTube Integration)
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**📊 Status**: Blocked - Waiting for Epic 1 completion
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### Stories in Epic 2
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| Story | Title | Status | File | Dependencies |
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|-------|-------|--------|------|--------------|
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| **2.1** | Single AI Model Integration | ⏸️ Blocked | - | Story 1.4 |
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| **2.2** | Summary Generation Pipeline | ⏸️ Blocked | - | Story 2.1 |
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| **2.3** | Caching System Implementation | ⏸️ Blocked | - | Story 2.2 |
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| **2.4** | Multi-Model Support | ⏸️ Blocked | - | Story 2.3 |
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| **2.5** | Export Functionality | ⏸️ Blocked | - | Story 2.4 |
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### Key Deliverables
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- AI integration with OpenAI GPT-4o-mini
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- Multi-model support (OpenAI, Anthropic, DeepSeek)
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- Intelligent caching system (24-hour TTL)
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- Export functionality (Markdown, PDF, plain text)
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- Cost optimization (~$0.001-0.005 per summary)
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### Architecture Components
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- **AI Service**: Provider abstraction with fallback
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- **Cache Service**: Memory + database caching
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- **Export Service**: Multiple format generation
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- **Cost Tracking**: Usage monitoring and optimization
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---
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## Epic 3: Enhanced User Experience
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**🎯 Goal**: Transform into comprehensive platform with authentication, batch processing, and API
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**📁 Epic File**: [`epic-3-enhanced-user-experience.md`](epic-3-enhanced-user-experience.md)
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**🔗 Dependencies**: Epic 2 (AI Summarization Engine)
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**📊 Status**: Blocked - Waiting for Epic 2 completion
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### Stories in Epic 3
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| Story | Title | Status | File | Dependencies |
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|-------|-------|--------|------|--------------|
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| **3.1** | User Authentication System | ⏸️ Blocked | - | Story 2.5 |
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| **3.2** | Summary History Management | ⏸️ Blocked | - | Story 3.1 |
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| **3.3** | Batch Processing | ⏸️ Blocked | - | Story 3.2 |
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| **3.4** | Real-time Updates | ⏸️ Blocked | - | Story 3.3 |
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| **3.5** | API Endpoints | ⏸️ Blocked | - | Story 3.4 |
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### Key Deliverables
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- User registration and authentication (JWT-based)
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- Persistent summary history with search
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- Batch processing for multiple videos
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- Real-time WebSocket progress updates
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- Public API with SDK support
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### Architecture Components
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- **Auth Service**: JWT authentication with refresh tokens
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- **User Management**: Profiles and preferences
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- **Batch Processing**: Background job queue system
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- **WebSocket Service**: Real-time progress updates
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- **API Gateway**: Rate limiting and key management
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---
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## Development Workflow
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### Current Priority: Epic 1 Completion
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**Next Steps**:
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1. **Implement Story 1.2** (YouTube URL Validation and Parsing) ⬅️ **START HERE**
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2. **Implement Story 1.3** (Transcript Extraction Service)
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3. **Implement Story 1.4** (Basic Web Interface)
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4. **Epic 1 Validation** (Complete integration testing)
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### Story Creation Process
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1. **Select Next Story**: Use epic dependency chain
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2. **Create Story File**: Follow BMad Method template
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3. **Add Technical Context**: Reference architecture document
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4. **Validate Story**: Run story-draft-checklist
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5. **Update Epic Status**: Track completion progress
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### Commands for Story Management
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```bash
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# Create next story
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/BMad:agents:sm
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*draft
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# Validate story quality
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/BMad:agents:sm
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*story-checklist
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# Execute story implementation
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/BMad:agents:dev
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# (implement story based on detailed specifications)
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```
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---
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## Architecture Integration
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### Key Architecture Documents
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- **Main Architecture**: [`../architecture.md`](../architecture.md) - Complete technical specification
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- **Frontend Spec**: [`../front-end-spec.md`](../front-end-spec.md) - UI/UX requirements
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- **Original PRD**: [`../prd.md`](../prd.md) - Complete product requirements
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### Technology Stack Overview
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| Layer | Epic 1 | Epic 2 | Epic 3 |
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|-------|--------|--------|--------|
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| **Frontend** | React + TypeScript | AI Integration UI | Auth + Advanced UI |
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| **Backend** | FastAPI + SQLite | AI Services | User Management |
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| **External** | YouTube APIs | AI APIs | Email + Webhooks |
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| **Infrastructure** | Docker Compose | Caching Layer | Background Jobs |
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---
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## Quality Assurance
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### Definition of Done (Epic Level)
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- [ ] All stories completed and validated
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- [ ] Integration testing passing
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- [ ] Documentation updated
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- [ ] Performance targets met
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- [ ] Security requirements satisfied
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### Testing Strategy by Epic
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- **Epic 1**: Infrastructure and integration testing
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- **Epic 2**: AI service testing and cost validation
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- **Epic 3**: User flows and API testing
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---
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## Project Metrics
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### Cost Optimization Targets
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- **Development**: Self-hosted Docker deployment
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- **AI Processing**: ~$0.10/month for hobby usage
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- **Storage**: Local SQLite (upgradeable to PostgreSQL)
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### Performance Targets
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- **Epic 1**: Development setup < 5 minutes
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- **Epic 2**: Summary generation < 30 seconds
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- **Epic 3**: Real-time updates < 1 second latency
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### Quality Standards
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- **Code Coverage**: > 80% backend, > 70% frontend
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- **Type Safety**: 100% TypeScript coverage
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- **Documentation**: Complete setup and API documentation
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---
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**Epic Index Last Updated**: 2025-01-25
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**Project Owner**: Bob (Scrum Master)
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**Architecture Reference**: Winston (Architect)
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**Development Status**: Story 1.1 completed, ready for Story 1.2 creation |