feat(testing): add project-specific testing coverage tracking

- Creates PROJECT_COVERAGE_TRACKING.md for TimeSafari-specific metrics
- Separates project data from universal MDC for reusability
- Tracks current coverage: 6/6 simple components at 100%
- Documents implementation progress and next steps
- Provides template for other projects to follow
- Maintains clean separation between universal guidance and project data

Current status: Phase 1 complete (simple components), Phase 2 ready to start

src/test/PROJECT_COVERAGE_TRACKING.md

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+# TimeSafari Testing Coverage Tracking
+
+**Project**: TimeSafari  
+**Last Updated**: 2025-08-21T09:40Z  
+**Status**: Active Testing Implementation  
+
+## Current Coverage Status
+
+### **Simple Components** (6/6 at 100% coverage) ✅
+
+| Component | Lines | Tests | Coverage | Status | Completed Date |
+|-----------|-------|-------|----------|---------|----------------|
+| **RegistrationNotice.vue** | 34 | 34 | 100% | ✅ Complete | 2025-07-29 |
+| **LargeIdenticonModal.vue** | 39 | 31 | 100% | ✅ Complete | 2025-07-29 |
+| **ProjectIcon.vue** | 48 | 39 | 100% | ✅ Complete | 2025-07-29 |
+| **ContactBulkActions.vue** | 43 | 43 | 100% | ✅ Complete | 2025-07-29 |
+| **EntityIcon.vue** | 82 | 0* | 100% | ✅ Complete | 2025-07-29 |
+| **ShowAllCard.vue** | 66 | 52 | 100% | ✅ Complete | 2025-08-21 |
+
+*EntityIcon.vue has 100% coverage but no dedicated test file (covered by 
+LargeIdenticonModal tests)
+
+### **Medium Components** (0/0 ready for expansion)
+
+| Component | Lines | Estimated Tests | Priority | Status |
+|-----------|-------|-----------------|----------|---------|
+| *Ready for testing implementation* | - | - | - | 🔄 Pending |
+
+### **Complex Components** (0/0 ready for expansion)
+
+| Component | Lines | Estimated Tests | Priority | Status |
+|-----------|-------|-----------------|----------|---------|
+| *Ready for testing implementation* | - | - | 🔄 Pending |
+
+## Test Infrastructure Status
+
+- **Total Tests**: 201 tests passing
+- **Test Files**: 6 files
+- **Mock Files**: 7 mock implementations
+- **Test Categories**: 10 comprehensive categories
+- **Overall Coverage**: 3.24% (focused on simple components)
+- **Enhanced Testing**: All simple components now have comprehensive test coverage
+
+## Implementation Progress
+
+### **Phase 1: Simple Components** ✅ **COMPLETE**
+
+**Objective**: Establish 100% coverage for all simple components (<100 lines)
+
+**Status**: 100% Complete (6/6 components)
+
+**Components Completed**:
+- RegistrationNotice.vue (34 lines, 34 tests)
+- LargeIdenticonModal.vue (39 lines, 31 tests)
+- ProjectIcon.vue (48 lines, 39 tests)
+- ContactBulkActions.vue (43 lines, 43 tests)
+- EntityIcon.vue (82 lines, 0 tests - covered by LargeIdenticonModal)
+- ShowAllCard.vue (66 lines, 52 tests)
+
+**Key Achievements**:
+- Established three-tier mock architecture (Simple/Standard/Complex)
+- Implemented comprehensive test patterns across 10 categories
+- Achieved 100% coverage for all simple components
+- Created reusable mock utilities and testing patterns
+
+### **Phase 2: Medium Components** 🔄 **READY TO START**
+
+**Objective**: Expand testing to medium complexity components (100-300 lines)
+
+**Status**: Ready to begin
+
+**Target Components**:
+- Components with 100-300 lines
+- Focus on business logic components
+- Priority: High-value, frequently used components
+
+**Coverage Goals**:
+- Line Coverage: 95%
+- Branch Coverage: 90%
+- Function Coverage: 100%
+
+### **Phase 3: Complex Components** 🔄 **PLANNED**
+
+**Objective**: Implement testing for complex components (300+ lines)
+
+**Status**: Planned for future
+
+**Target Components**:
+- Components with 300+ lines
+- Complex business logic components
+- Integration-heavy components
+
+**Coverage Goals**:
+- Line Coverage: 90%
+- Branch Coverage: 85%
+- Function Coverage: 100%
+
+## Testing Patterns Established
+
+### **Mock Architecture** ✅
+
+- **Three-tier system**: Simple/Standard/Complex mocks
+- **Factory functions**: Specialized mock creation
+- **Interface compliance**: Full compatibility with original components
+- **Helper methods**: Common test scenario support
+
+### **Test Categories** ✅
+
+1. **Component Rendering** - Structure and conditional rendering
+2. **Component Styling** - CSS classes and responsive design
+3. **Component Props** - Validation and handling
+4. **User Interactions** - Events and accessibility
+5. **Component Methods** - Functionality and return values
+6. **Edge Cases** - Null/undefined and rapid changes
+7. **Error Handling** - Invalid props and graceful degradation
+8. **Accessibility** - Semantic HTML and ARIA
+9. **Performance** - Render time and memory leaks
+10. **Integration** - Parent-child and dependency injection
+
+### **Advanced Testing Features** ✅
+
+- **Performance Testing**: Memory leak detection, render time benchmarking
+- **Snapshot Testing**: DOM structure validation and regression prevention
+- **Mock Integration**: Mock component validation and testing
+- **Edge Case Coverage**: Comprehensive error scenario testing
+
+## Next Steps
+
+### **Immediate Priorities**
+
+1. **Identify medium complexity components** for Phase 2
+2. **Prioritize components** by business value and usage frequency
+3. **Apply established patterns** to medium components
+4. **Expand mock architecture** for medium complexity needs
+
+### **Medium Term Goals**
+
+1. **Achieve 90%+ coverage** for medium components
+2. **Establish testing patterns** for complex components
+3. **Implement service layer testing**
+4. **Add API integration testing**
+
+### **Long Term Vision**
+
+1. **Comprehensive test coverage** across all component types
+2. **Automated testing pipeline** integration
+3. **Performance regression testing**
+4. **Cross-browser compatibility testing**
+
+## Lessons Learned
+
+### **Success Factors**
+
+1. **Three-tier mock architecture** provides flexibility and scalability
+2. **Comprehensive test categories** ensure thorough coverage
+3. **Performance testing** catches real-world issues early
+4. **Snapshot testing** prevents regression issues
+5. **Mock integration testing** validates testing infrastructure
+
+### **Best Practices Established**
+
+1. **Start with simple components** to establish patterns
+2. **Use factory functions** for specialized mock creation
+3. **Test mocks themselves** to ensure reliability
+4. **Include performance testing** for stability
+5. **Document patterns** for team adoption
+
+## Resources
+
+- **MDC Guide**: `.cursor/rules/unit_testing_mocks.mdc`
+- **Test Directory**: `src/test/`
+- **Mock Implementations**: `src/test/__mocks__/`
+- **Test Utilities**: `src/test/utils/`
+- **Examples**: `src/test/examples/`
+
+---
+
+**Maintainer**: Development Team  
+**Review Schedule**: Monthly  
+**Next Review**: 2025-09-21