# BREEDR Development Roadmap

## ✅ Phase 1: Foundation (COMPLETE)

### Infrastructure
- [x] Docker multi-stage build configuration
- [x] SQLite database with automatic initialization
- [x] Express.js API server
- [x] React 18 frontend with Vite
- [x] Git repository structure

### Database Schema
- [x] Dogs table with core fields
- [x] Parents relationship table
- [x] Litters breeding records
- [x] Health records tracking
- [x] Heat cycles management
- [x] Traits genetic mapping
- [x] Indexes and triggers

### API Endpoints
- [x] `/api/dogs` - Full CRUD operations
- [x] `/api/pedigree` - Tree generation and COI calculator
- [x] `/api/litters` - Breeding records
- [x] `/api/health` - Health tracking
- [x] `/api/breeding` - Heat cycles and whelping calculator
- [x] Photo upload with Multer

---

## ✅ Phase 2: Core Functionality (COMPLETE)

### Dog Management
- [x] Add new dogs with full form
- [x] Edit existing dogs
- [x] View dog details
- [x] List all dogs with search/filter
- [x] Upload multiple photos per dog
- [x] Delete photos
- [x] Parent selection (sire/dam)

### User Interface
- [x] Dashboard with statistics
- [x] Dog list with grid view
- [x] Dog detail pages
- [x] Modal forms for add/edit
- [x] Photo management UI
- [x] Search and sex filtering
- [x] Responsive navigation

### Features Implemented
- [x] Photo upload and storage
- [x] Parent-child relationships
- [x] Basic information tracking
- [x] Registration numbers
- [x] Microchip tracking

---

## ✅ Phase 3: Breeding Tools (COMPLETE)

### Priority Features
- [x] **Interactive pedigree tree visualization**
  - [x] Integrate React-D3-Tree
  - [x] Show 3-5 generations
  - [x] Click to navigate
  - [x] Zoom and pan controls
  - [x] Beautiful color-coded nodes
  - [x] Male/Female distinction

- [ ] Trial Pairing Simulator
  - [ ] Select sire and dam
  - [ ] Display COI calculation
  - [ ] Show common ancestors
  - [ ] Risk assessment display

- [ ] Heat Cycle Management
  - [ ] Add/edit heat cycles
  - [ ] Track progesterone levels
  - [ ] Calendar view
  - [ ] Breeding date suggestions

- [x] **Litter Management** ✅ **NEW**
  - [x] Create litter records
  - [x] Link puppies to litter
  - [x] Track whelping details
  - [x] Auto-link parent relationships
  - [x] Database migration for litter_id
  - [x] Enhanced API endpoints
  - [x] Dual parent selection mode (litter/manual)

---

## 📋 Phase 4: Health & Genetics (PLANNED)

### Health Records
- [ ] Add health test results
- [ ] Vaccination tracking
- [ ] Medical history timeline
- [ ] Document uploads (PDFs, images)
- [ ] Alert for expiring vaccinations

### Genetic Tracking
- [ ] Track inherited traits
- [ ] Color genetics calculator
- [ ] Health clearance status
- [ ] Link traits to ancestors

---

## 📋 Phase 5: Advanced Features (PLANNED)

### Pedigree Tools
- [ ] Reverse pedigree (descendants view)
- [ ] PDF pedigree generation
- [ ] Export to standard formats
- [ ] Print-friendly layouts
- [ ] Multi-generation COI analysis

### Breeding Planning
- [ ] Breeding calendar
- [ ] Heat cycle predictions
- [ ] Expected whelping alerts
- [ ] Breeding history reports

### Search & Analytics
- [ ] Advanced search filters
  - [ ] By breed, color, age
  - [ ] By health clearances
  - [ ] By registration status
- [ ] Statistics dashboard
  - [ ] Breeding success rates
  - [ ] Average litter sizes
  - [ ] Popular pairings

---

## 📋 Phase 6: Polish & Optimization (PLANNED)

### User Experience
- [ ] Loading states for all operations
- [ ] Better error messages
- [ ] Confirmation dialogs
- [ ] Undo functionality
- [ ] Keyboard shortcuts

### Performance
- [ ] Image optimization
- [ ] Lazy loading
- [ ] API caching
- [ ] Database query optimization

### Mobile
- [ ] Touch-friendly interface
- [ ] Mobile photo capture
- [ ] Responsive tables
- [ ] Offline mode

### Documentation
- [ ] User manual
- [ ] API documentation
- [ ] Video tutorials
- [ ] FAQ section

---

## Future Enhancements (BACKLOG)

### Multi-User Support
- [ ] User authentication
- [ ] Role-based permissions
- [ ] Activity logs
- [ ] Shared access

### Integration
- [ ] Import from other systems
- [ ] Export to Excel/CSV
- [ ] Integration with kennel clubs
- [ ] Backup to cloud storage

### Advanced Genetics
- [ ] DNA test result tracking
- [ ] Genetic diversity analysis
- [ ] Breed-specific calculators
- [ ] Health risk predictions

### Kennel Management
- [ ] Breeding contracts
- [ ] Buyer tracking
- [ ] Financial records
- [ ] Stud service management

---

## 🎉 Latest Release: v0.3.0 - Litter Management & Pedigree Visualization

### What's New in This Release

#### Litter Management System
- ✅ Fixed "no such column: sire" error when adding puppies
- ✅ Database migration adds `litter_id` column to dogs table
- ✅ New LitterForm component for creating/editing litters
- ✅ Enhanced litter API with puppy linking endpoints
- ✅ Dual parent selection mode in DogForm:
  - Link to existing litter (auto-populates parents)
  - Manual parent selection (traditional method)
- ✅ Auto-creation of parent relationships when linking to litter

#### Interactive Pedigree Visualization
- ✅ Beautiful tree visualization using React-D3-Tree
- ✅ Shows 5 generations of ancestry
- ✅ Color-coded nodes: Blue for males, Pink for females
- ✅ Interactive controls:
  - Zoom in/out buttons
  - Reset view
  - Mouse wheel zoom
  - Click and drag to pan
- ✅ Node information display:
  - Dog name
  - Registration number
  - Birth year
  - Sex indicator (♂/♀)
- ✅ Leverages existing COI calculator backend
- ✅ Horizontal tree layout for better readability

### Migration Instructions

1. Pull the feature branch:
   ```bash
   git checkout feature/litter-management-and-pedigree
   ```

2. Run database migration:
   ```bash
   node server/db/migrate_litter_id.js
   ```

3. Install new dependencies:
   ```bash
   cd client && npm install
   ```

4. Restart the server:
   ```bash
   npm run dev
   ```

### Documentation

See [FEATURE_IMPLEMENTATION.md](./FEATURE_IMPLEMENTATION.md) for:
- Detailed technical documentation
- Architecture decisions
- Usage examples
- API changes
- Testing checklist

---

## Current Sprint Focus

### Next Up (Priority)
1. **Trial Pairing Tool**
   - Create pairing form
   - Display COI calculation
   - Show common ancestors
   - Add recommendation system

2. **Heat Cycle Management**
   - Add/edit heat cycles
   - Track progesterone levels
   - Calendar view
   - Breeding date suggestions

3. **Enhanced Litter Features**
   - Puppy batch addition
   - Photo gallery per litter
   - Whelping countdown
   - Expected vs actual puppy count tracking

### Testing Needed
- [x] Add/edit dog forms with litter selection
- [x] Database migration execution
- [x] Pedigree tree rendering
- [x] Zoom/pan controls
- [ ] Trial pairing simulator
- [ ] Heat cycle tracking

### Known Issues
- None currently

---

## How to Contribute

1. Pick a feature from "Priority Features"
2. Create a feature branch: `feature/feature-name`
3. Implement with tests
4. Update this roadmap
5. Submit for review

## Version History

- **v0.3.0** (Current) - Litter Management & Interactive Pedigree
  - Added litter_id to dogs table
  - Implemented LitterForm component
  - Created PedigreeView with React-D3-Tree
  - Enhanced DogForm with dual parent selection
  - Fixed "no such column: sire" error
  - Added comprehensive documentation
  
- **v0.2.0** - Dog CRUD operations complete
- **v0.1.0** - Initial foundation with API and database