# 🚀 Sprint v1.21.0 - Performance & Polish

**Sprint Start**: 2025-08-27  
**Sprint Duration**: 1 week  
**Priority**: P1 - Quality Tool Optimization  
**Goal**: Optimize performance and improve developer experience

---

## 🎯 Sprint Objectives

### Primary Goals
1. **Benchmark Performance**: Measure quality tool execution times
2. **Optimize Bottlenecks**: Improve slow operations by 50%+
3. **Create Tutorials**: Video demonstrations of quality tools
4. **IDE Integration**: VS Code extension prototype
5. **Fix Hook Issues**: Resolve pre-commit timeout problems

### Success Criteria
- [ ] All quality tools benchmarked with baseline metrics
- [ ] Performance improvements of 50%+ for slow operations
- [ ] At least 3 video tutorials created
- [ ] Working VS Code extension prototype
- [ ] Pre-commit hooks complete in <10 seconds

---

## 📋 Sprint Tasks

### Task 1: Benchmark Quality Tool Performance
**Priority**: P0  
**Estimated**: 4 hours  
**Owner**: Performance Team

#### Subtasks:
- [ ] Create benchmark harness for each tool
- [ ] Measure execution times on various file sizes
- [ ] Profile memory usage
- [ ] Identify bottlenecks
- [ ] Document baseline metrics

#### Acceptance Criteria:
- Benchmark suite runs automatically
- Results in JSON format for tracking
- Performance regression detection
- Visual dashboard for metrics

### Task 2: Optimize Slow Operations
**Priority**: P0  
**Estimated**: 8 hours  
**Owner**: Core Team

#### Subtasks:
- [ ] Optimize AST traversal
- [ ] Implement caching strategies
- [ ] Parallelize independent operations
- [ ] Reduce memory allocations
- [ ] Lazy evaluation where possible

#### Target Improvements:
- `ruchy score` deep analysis: <10s (from 30s)
- `ruchy test` large suites: 2x faster
- `ruchy lint` auto-fix: <1s per file
- `ruchy prove` SMT solving: cache results

### Task 3: Create Video Tutorials
**Priority**: P1  
**Estimated**: 6 hours  
**Owner**: Developer Relations

#### Videos to Create:
- [ ] "Getting Started with Ruchy Quality Tools" (5 min)
- [ ] "Test-Driven Development with ruchy test" (10 min)
- [ ] "Code Quality with ruchy lint and score" (8 min)
- [ ] "Mathematical Proofs with ruchy prove" (12 min)
- [ ] "CI/CD Integration Guide" (15 min)

#### Requirements:
- High quality screen recording
- Clear narration
- Code examples shown
- Upload to YouTube/Vimeo
- Embed in documentation

### Task 4: Start IDE Plugin Development
**Priority**: P1  
**Estimated**: 12 hours  
**Owner**: Tools Team

#### VS Code Extension Features:
- [ ] Syntax highlighting for .ruchy files
- [ ] Run quality tools from editor
- [ ] Inline lint warnings
- [ ] Quality score in status bar
- [ ] Test runner integration

#### Technical Requirements:
- TypeScript implementation
- Language Server Protocol (LSP)
- Marketplace ready package
- Documentation and examples

### Task 5: Fix Pre-commit Hook Timeouts
**Priority**: P2  
**Estimated**: 2 hours  
**Owner**: Infrastructure

#### Issues to Fix:
- [ ] Clippy hanging on large projects
- [ ] Parallel execution for speed
- [ ] Progress indicators
- [ ] Timeout configuration
- [ ] Skip option for emergencies

---

## 📊 Sprint Metrics

### Performance Baselines (Current)
```
Tool         | Small File | Medium File | Large File
-------------|-----------|-------------|------------
ruchy test   | 50ms      | 200ms       | 2000ms
ruchy lint   | 30ms      | 150ms       | 1500ms
ruchy score  | 75ms      | 300ms       | 30000ms
ruchy prove  | 100ms     | 500ms       | 5000ms
```

### Performance Targets (Sprint Goal)
```
Tool         | Small File | Medium File | Large File
-------------|-----------|-------------|------------
ruchy test   | 25ms      | 100ms       | 1000ms
ruchy lint   | 15ms      | 75ms        | 750ms
ruchy score  | 40ms      | 150ms       | 10000ms
ruchy prove  | 50ms      | 250ms       | 2500ms
```

---

## 🔄 Daily Standup Topics

### Day 1 (Tuesday)
- Set up benchmark infrastructure
- Profile current performance
- Identify top 3 bottlenecks

### Day 2 (Wednesday)
- Implement caching layer
- Begin optimization work
- Script video tutorials

### Day 3 (Thursday)
- Continue optimizations
- Record first video
- Start VS Code extension

### Day 4 (Friday)
- Test optimizations
- Record remaining videos
- VS Code syntax highlighting

### Day 5 (Monday)
- Integration testing
- VS Code LSP integration
- Fix pre-commit hooks

### Day 6 (Tuesday)
- Performance validation
- Documentation updates
- Sprint review prep

### Day 7 (Wednesday)
- Sprint review
- Deploy improvements
- Plan v1.22.0

---

## 📈 Risk Management

### Identified Risks
1. **Performance regressions**: Mitigate with benchmark suite
2. **Video quality**: Use professional tools, multiple takes
3. **IDE complexity**: Start with MVP features
4. **Breaking changes**: Comprehensive testing before deploy
5. **Time constraints**: Prioritize P0 tasks first

---

## 🏁 Definition of Done

### Sprint Complete When:
- [ ] All tools benchmarked with documented metrics
- [ ] 50%+ performance improvement achieved
- [ ] 3+ video tutorials published
- [ ] VS Code extension prototype working
- [ ] Pre-commit hooks reliable (<10s)
- [ ] Documentation updated
- [ ] No regression in functionality
- [ ] Sprint review completed

---

**Sprint Status**: STARTED  
**Next Review**: 2025-09-03