# Sprint Planning & Execution Guide

## 🎯 Sprint Overview

### Total Timeline: 6 Weeks (3 Sprints)
- **Sprint 1**: Foundation (Weeks 1-2) - Epic 1 Completion
- **Sprint 2**: AI Engine (Weeks 3-4) - Epic 2 Core
- **Sprint 3**: Advanced Features (Weeks 5-6) - Epic 2 Completion

---

## 📅 Sprint 1: Foundation & Core YouTube Integration

### Sprint Goal
*"Deliver a working system that can download videos, extract transcripts from any YouTube video through a clean web interface"*

### Sprint Backlog

#### Stories Completed ✅
- Story 1.1: Project Setup and Infrastructure ✅
- Story 1.2: YouTube URL Validation and Parsing ✅
- Story 1.3: Transcript Extraction Service ✅
- Story 1.4: Basic Web Interface ✅

#### Current Sprint Extension (Days 11-13)
**Focus**: Video Download Service

| Day | Story/Task | Developer | Status |
|-----|------------|-----------|--------|
| **Day 11** | Story 1.5: Video Download Service | | ⏳ Ready |
| | - Task 1: Video download core | | |
| | - Task 2: Cache and duplicate prevention | | |
| **Day 12** | Story 1.5: Storage & Progress | | |
| | - Task 3: Storage management | | |
| | - Task 4: Progress tracking | | |
| **Day 13** | Story 1.5: Integration & Testing | | |
| | - Task 5: API integration | | |
| | - Task 6: Transcript service integration | | |
| | - Task 7: Testing | | |
| | **Sprint 1 Demo Prep** | | |

### Sprint 1 Deliverables
- ✅ Fully functional URL validation (all YouTube formats)
- ✅ Transcript extraction with fallback mechanisms
- ✅ Responsive web interface with real-time feedback
- ✅ End-to-end flow: URL → Transcript display
- ⏳ Video download and storage service with caching
- ⏳ Local file-based transcription capability

### Sprint 1 Demo Script
```
1. Open web interface at http://localhost:3000
2. Paste various YouTube URLs (standard, short, embed)
3. Show real-time validation feedback
4. Submit URL and show progress tracking
5. Display extracted transcript with metadata
6. Demonstrate error handling with invalid URLs
```

---

## 📅 Sprint 2: AI Summarization Engine Core

### Sprint Goal
*"Implement intelligent AI summarization with cost-effective processing and caching"*

### Sprint Backlog

#### Week 3 (Days 11-15)
**Focus**: AI Integration & Pipeline

| Day | Story/Task | Developer | Status |
|-----|------------|-----------|--------|
| **Day 11-12** | Story 2.1: OpenAI Integration | | |
| | - Task 1: AI service foundation | | |
| | - Task 2: OpenAI integration | | |
| | - Task 3: Summary generation | | |
| **Day 13** | Story 2.1: Complete | | |
| | - Task 4: Chunking strategy | | |
| | - Task 5-7: API & testing | | |
| **Day 14-15** | Story 2.2: Pipeline Start | | |
| | - Task 1: Pipeline orchestration | | |
| | - Task 2: Metadata integration | | |

#### Week 4 (Days 16-20)
**Focus**: Pipeline Completion & Caching

| Day | Story/Task | Developer | Status |
|-----|------------|-----------|--------|
| **Day 16-17** | Story 2.2: Pipeline Complete | | |
| | - Task 3: Content optimization | | |
| | - Task 4: Progress tracking | | |
| | - Task 5-7: Quality & integration | | |
| **Day 18-19** | Story 2.3: Caching System | | |
| | - Task 1: Cache architecture | | |
| | - Task 2: Transcript caching | | |
| | - Task 3: Summary caching | | |
| **Day 20** | Sprint 2 Integration | | |
| | - Task 4-7: Cache integration | | |
| | **Sprint 2 Demo Prep** | | |

### Sprint 2 Deliverables
- ✅ OpenAI GPT-4o-mini integration
- ✅ End-to-end processing pipeline
- ✅ Multi-level caching system
- ✅ Cost tracking (<$0.005 per summary)
- ✅ Quality validation and retry logic

### Sprint 2 Demo Script
```
1. Submit YouTube URL for processing
2. Show pipeline progress (validation → extraction → summarization)
3. Display AI-generated summary with key points
4. Demonstrate cache hit on second request (instant response)
5. Show cost tracking and processing metrics
6. Display quality scores and confidence levels
```

---

## 📅 Sprint 3: Advanced Features & Polish

### Sprint Goal
*"Complete the YouTube Summarizer with multi-model support and professional export capabilities"*

### Sprint Backlog

#### Week 5 (Days 21-25)
**Focus**: Multi-Model Support

| Day | Story/Task | Developer | Status |
|-----|------------|-----------|--------|
| **Day 21-22** | Story 2.4: Model Architecture | | |
| | - Task 1: Model registry | | |
| | - Task 2: Model implementations | | |
| **Day 23-24** | Story 2.4: Intelligence | | |
| | - Task 3: Model selection | | |
| | - Task 4: Fallback logic | | |
| **Day 25** | Story 2.4: Complete | | |
| | - Task 5-7: Analytics & UI | | |

#### Week 6 (Days 26-30)
**Focus**: Export & Final Polish

| Day | Story/Task | Developer | Status |
|-----|------------|-----------|--------|
| **Day 26-27** | Story 2.5: Export System | | |
| | - Task 1: Export architecture | | |
| | - Task 2: Format exporters | | |
| | - Task 3: Template system | | |
| **Day 28** | Story 2.5: Complete | | |
| | - Task 4: Bulk export | | |
| | - Task 5-7: API & UI | | |
| **Day 29-30** | Final Integration | | |
| | - Performance optimization | | |
| | - Bug fixes & polish | | |
| | **Final Demo Prep** | | |

### Sprint 3 Deliverables
- ✅ Multi-model support (OpenAI, Anthropic, DeepSeek)
- ✅ Intelligent model selection based on content
- ✅ Export in 5 formats (MD, PDF, HTML, JSON, Text)
- ✅ Bulk export with organization
- ✅ Professional templates and branding

### Sprint 3 Demo Script
```
1. Show model comparison for a video
2. Demonstrate automatic model selection
3. Process with different priority settings (cost/quality/speed)
4. Export summary in multiple formats
5. Show bulk export of multiple summaries
6. Display professional PDF with branding
7. Demonstrate complete user journey
```

---

## 📊 Velocity Tracking

### Story Points Estimation
| Story | Points | Complexity | Risk |
|-------|--------|------------|------|
| 1.2 URL Validation | 5 | Medium | Low |
| 1.3 Transcript Extraction | 8 | High | Medium |
| 1.4 Basic Web Interface | 8 | High | Low |
| 2.1 Single AI Model | 5 | Medium | Low |
| 2.2 Summary Pipeline | 8 | High | Medium |
| 2.3 Caching System | 5 | Medium | Low |
| 2.4 Multi-Model Support | 8 | High | Medium |
| 2.5 Export Functionality | 5 | Medium | Low |

**Total Points**: 52  
**Points per Sprint**: Sprint 1: 21, Sprint 2: 18, Sprint 3: 13

---

## 🎯 Daily Standup Schedule

### Format (15 minutes max)
```
Time: 9:00 AM daily
Location: Team channel / Video call

Agenda:
1. Yesterday's accomplishments (2 min/person)
2. Today's plan (2 min/person)
3. Blockers and needs (1 min/person)
4. Quick sync on sprint progress
```

### Standup Template
```markdown
**[Your Name] - [Date] - Story [X.Y]**
✅ Yesterday: [What you completed]
📋 Today: [What you're working on]
🚧 Blockers: [Any impediments]
💡 Notes: [Anything team should know]
```

---

## 🔄 Sprint Ceremonies

### Sprint Planning (2 hours)
- Review sprint goal
- Break down stories into tasks
- Estimate effort
- Assign work
- Identify dependencies

### Daily Standups (15 minutes)
- Quick sync on progress
- Identify blockers
- Coordinate pair programming

### Sprint Review/Demo (1 hour)
- Demonstrate completed stories
- Get stakeholder feedback
- Celebrate achievements
- Document learnings

### Sprint Retrospective (1 hour)
- What went well?
- What could improve?
- Action items for next sprint
- Update velocity metrics

---

## 📈 Risk Management

### Identified Risks & Mitigations

| Risk | Impact | Probability | Mitigation |
|------|--------|-------------|------------|
| YouTube API changes | High | Low | Use multiple extraction methods |
| AI API rate limits | Medium | Medium | Implement caching and retry logic |
| Cost overruns | Medium | Low | Monitor usage, set limits |
| Transcript unavailable | Medium | Medium | Multiple fallback methods |
| Model unavailability | Low | Low | Multi-model fallback system |

---

## ✅ Definition of Ready

A story is READY for development when:
- [ ] Story file exists with all sections complete
- [ ] Acceptance criteria are clear and testable
- [ ] Dev Notes include code examples
- [ ] Dependencies are completed
- [ ] Architecture references are available
- [ ] File structure is defined
- [ ] Testing requirements are specified

---

## ✅ Definition of Done

A story is DONE when:
- [ ] All acceptance criteria met
- [ ] All tasks completed
- [ ] Tests written and passing (>80% coverage)
- [ ] Code reviewed and approved
- [ ] Documentation updated
- [ ] Demo-able to stakeholders
- [ ] No critical bugs
- [ ] Story status updated

---

## 🚀 Quick Start Commands

```bash
# Start your day
git pull origin main
git checkout -b feature/story-X.Y-description

# Run the stack
docker-compose up -d
cd backend && uvicorn main:app --reload
cd frontend && npm run dev

# Run tests frequently
pytest tests/ -v          # Backend
npm test                  # Frontend

# Before committing
pytest --cov=src         # Check coverage
npm run lint             # Frontend linting
git status              # Review changes
```

---

## 📞 Escalation Path

1. **Technical Questions**: Check story Dev Notes → Architecture doc → Team lead
2. **Blockers**: Raise in standup → Scrum Master → Product Owner
3. **Scope Changes**: Document request → Discuss in sprint planning
4. **Critical Issues**: Immediately notify team lead + Scrum Master

---

*Sprint planning prepared by Bob (Scrum Master)*  
*Ready for Sprint 1 kickoff!*