# Tasks Document

- [ ] 1. Create core interfaces in src/types/feature.ts
  - File: src/types/feature.ts
  - Define TypeScript interfaces for feature data structures
  - Extend existing base interfaces from base.ts
  - Purpose: Establish type safety for feature implementation
  - _Leverage: src/types/base.ts_
  - _Requirements: 1.1_
  - _Prompt: Role: TypeScript Developer specializing in type systems and interfaces | Task: Create comprehensive TypeScript interfaces for the feature data structures following requirements 1.1, extending existing base interfaces from src/types/base.ts | Restrictions: Do not modify existing base interfaces, maintain backward compatibility, follow project naming conventions | Success: All interfaces compile without errors, proper inheritance from base types, full type coverage for feature requirements_

- [ ] 2. Create base model class in src/models/FeatureModel.ts
  - File: src/models/FeatureModel.ts
  - Implement base model extending BaseModel class
  - Add validation methods using existing validation utilities
  - Purpose: Provide data layer foundation for feature
  - _Leverage: src/models/BaseModel.ts, src/utils/validation.ts_
  - _Requirements: 2.1_
  - _Prompt: Role: Backend Developer with expertise in Node.js and data modeling | Task: Create a base model class extending BaseModel and implementing validation following requirement 2.1, leveraging existing patterns from src/models/BaseModel.ts and src/utils/validation.ts | Restrictions: Must follow existing model patterns, do not bypass validation utilities, maintain consistent error handling | Success: Model extends BaseModel correctly, validation methods implemented and tested, follows project architecture patterns_

- [ ] 3. Add specific model methods to FeatureModel.ts
  - File: src/models/FeatureModel.ts (continue from task 2)
  - Implement create, update, delete methods
  - Add relationship handling for foreign keys
  - Purpose: Complete model functionality for CRUD operations
  - _Leverage: src/models/BaseModel.ts_
  - _Requirements: 2.2, 2.3_
  - _Prompt: Role: Backend Developer with expertise in ORM and database operations | Task: Implement CRUD methods and relationship handling in FeatureModel.ts following requirements 2.2 and 2.3, extending patterns from src/models/BaseModel.ts | Restrictions: Must maintain transaction integrity, follow existing relationship patterns, do not duplicate base model functionality | Success: All CRUD operations work correctly, relationships are properly handled, database operations are atomic and efficient_

- [ ] 4. Create model unit tests in tests/models/FeatureModel.test.ts
  - File: tests/models/FeatureModel.test.ts
  - Write tests for model validation and CRUD methods
  - Use existing test utilities and fixtures
  - Purpose: Ensure model reliability and catch regressions
  - _Leverage: tests/helpers/testUtils.ts, tests/fixtures/data.ts_
  - _Requirements: 2.1, 2.2_
  - _Prompt: Role: QA Engineer with expertise in unit testing and Jest/Mocha frameworks | Task: Create comprehensive unit tests for FeatureModel validation and CRUD methods covering requirements 2.1 and 2.2, using existing test utilities from tests/helpers/testUtils.ts and fixtures from tests/fixtures/data.ts | Restrictions: Must test both success and failure scenarios, do not test external dependencies directly, maintain test isolation | Success: All model methods are tested with good coverage, edge cases covered, tests run independently and consistently_

- [ ] 5. Create service interface in src/services/IFeatureService.ts
  - File: src/services/IFeatureService.ts
  - Define service contract with method signatures
  - Extend base service interface patterns
  - Purpose: Establish service layer contract for dependency injection
  - _Leverage: src/services/IBaseService.ts_
  - _Requirements: 3.1_
  - _Prompt: Role: Software Architect specializing in service-oriented architecture and TypeScript interfaces | Task: Design service interface contract following requirement 3.1, extending base service patterns from src/services/IBaseService.ts for dependency injection | Restrictions: Must maintain interface segregation principle, do not expose internal implementation details, ensure contract compatibility with DI container | Success: Interface is well-defined with clear method signatures, extends base service appropriately, supports all required service operations_

- [ ] 6. Implement feature service in src/services/FeatureService.ts
  - File: src/services/FeatureService.ts
  - Create concrete service implementation using FeatureModel
  - Add error handling with existing error utilities
  - Purpose: Provide business logic layer for feature operations
  - _Leverage: src/services/BaseService.ts, src/utils/errorHandler.ts, src/models/FeatureModel.ts_
  - _Requirements: 3.2_
  - _Prompt: Role: Backend Developer with expertise in service layer architecture and business logic | Task: Implement concrete FeatureService following requirement 3.2, using FeatureModel and extending BaseService patterns with proper error handling from src/utils/errorHandler.ts | Restrictions: Must implement interface contract exactly, do not bypass model validation, maintain separation of concerns from data layer | Success: Service implements all interface methods correctly, robust error handling implemented, business logic is well-encapsulated and testable_

- [ ] 7. Add service dependency injection in src/utils/di.ts
  - File: src/utils/di.ts (modify existing)
  - Register FeatureService in dependency injection container
  - Configure service lifetime and dependencies
  - Purpose: Enable service injection throughout application
  - _Leverage: existing DI configuration in src/utils/di.ts_
  - _Requirements: 3.1_
  - _Prompt: Role: DevOps Engineer with expertise in dependency injection and IoC containers | Task: Register FeatureService in DI container following requirement 3.1, configuring appropriate lifetime and dependencies using existing patterns from src/utils/di.ts | Restrictions: Must follow existing DI container patterns, do not create circular dependencies, maintain service resolution efficiency | Success: FeatureService is properly registered and resolvable, dependencies are correctly configured, service lifetime is appropriate for use case_

- [ ] 8. Create service unit tests in tests/services/FeatureService.test.ts
  - File: tests/services/FeatureService.test.ts
  - Write tests for service methods with mocked dependencies
  - Test error handling scenarios
  - Purpose: Ensure service reliability and proper error handling
  - _Leverage: tests/helpers/testUtils.ts, tests/mocks/modelMocks.ts_
  - _Requirements: 3.2, 3.3_
  - _Prompt: Role: QA Engineer with expertise in service testing and mocking frameworks | Task: Create comprehensive unit tests for FeatureService methods covering requirements 3.2 and 3.3, using mocked dependencies from tests/mocks/modelMocks.ts and test utilities | Restrictions: Must mock all external dependencies, test business logic in isolation, do not test framework code | Success: All service methods tested with proper mocking, error scenarios covered, tests verify business logic correctness and error handling_

- [ ] 4. Create API endpoints
  - Design API structure
  - _Leverage: src/api/baseApi.ts, src/utils/apiUtils.ts_
  - _Requirements: 4.0_
  - _Prompt: Role: API Architect specializing in RESTful design and Express.js | Task: Design comprehensive API structure following requirement 4.0, leveraging existing patterns from src/api/baseApi.ts and utilities from src/utils/apiUtils.ts | Restrictions: Must follow REST conventions, maintain API versioning compatibility, do not expose internal data structures directly | Success: API structure is well-designed and documented, follows existing patterns, supports all required operations with proper HTTP methods and status codes_

- [ ] 4.1 Set up routing and middleware
  - Configure application routes
  - Add authentication middleware
  - Set up error handling middleware
  - _Leverage: src/middleware/auth.ts, src/middleware/errorHandler.ts_
  - _Requirements: 4.1_
  - _Prompt: Role: Backend Developer with expertise in Express.js middleware and routing | Task: Configure application routes and middleware following requirement 4.1, integrating authentication from src/middleware/auth.ts and error handling from src/middleware/errorHandler.ts | Restrictions: Must maintain middleware order, do not bypass security middleware, ensure proper error propagation | Success: Routes are properly configured with correct middleware chain, authentication works correctly, errors are handled gracefully throughout the request lifecycle_

- [ ] 4.2 Implement CRUD endpoints
  - Create API endpoints
  - Add request validation
  - Write API integration tests
  - _Leverage: src/controllers/BaseController.ts, src/utils/validation.ts_
  - _Requirements: 4.2, 4.3_
  - _Prompt: Role: Full-stack Developer with expertise in API development and validation | Task: Implement CRUD endpoints following requirements 4.2 and 4.3, extending BaseController patterns and using validation utilities from src/utils/validation.ts | Restrictions: Must validate all inputs, follow existing controller patterns, ensure proper HTTP status codes and responses | Success: All CRUD operations work correctly, request validation prevents invalid data, integration tests pass and cover all endpoints_

- [ ] 5. Add frontend components
  - Plan component architecture
  - _Leverage: src/components/BaseComponent.tsx, src/styles/theme.ts_
  - _Requirements: 5.0_
  - _Prompt: Role: Frontend Architect with expertise in React component design and architecture | Task: Plan comprehensive component architecture following requirement 5.0, leveraging base patterns from src/components/BaseComponent.tsx and theme system from src/styles/theme.ts | Restrictions: Must follow existing component patterns, maintain design system consistency, ensure component reusability | Success: Architecture is well-planned and documented, components are properly organized, follows existing patterns and theme system_

- [ ] 5.1 Create base UI components
  - Set up component structure
  - Implement reusable components
  - Add styling and theming
  - _Leverage: src/components/BaseComponent.tsx, src/styles/theme.ts_
  - _Requirements: 5.1_
  - _Prompt: Role: Frontend Developer specializing in React and component architecture | Task: Create reusable UI components following requirement 5.1, extending BaseComponent patterns and using existing theme system from src/styles/theme.ts | Restrictions: Must use existing theme variables, follow component composition patterns, ensure accessibility compliance | Success: Components are reusable and properly themed, follow existing architecture, accessible and responsive_

- [ ] 5.2 Implement feature-specific components
  - Create feature components
  - Add state management
  - Connect to API endpoints
  - _Leverage: src/hooks/useApi.ts, src/components/BaseComponent.tsx_
  - _Requirements: 5.2, 5.3_
  - _Prompt: Role: React Developer with expertise in state management and API integration | Task: Implement feature-specific components following requirements 5.2 and 5.3, using API hooks from src/hooks/useApi.ts and extending BaseComponent patterns | Restrictions: Must use existing state management patterns, handle loading and error states properly, maintain component performance | Success: Components are fully functional with proper state management, API integration works smoothly, user experience is responsive and intuitive_

- [ ] 6. Integration and testing
  - Plan integration approach
  - _Leverage: src/utils/integrationUtils.ts, tests/helpers/testUtils.ts_
  - _Requirements: 6.0_
  - _Prompt: Role: Integration Engineer with expertise in system integration and testing strategies | Task: Plan comprehensive integration approach following requirement 6.0, leveraging integration utilities from src/utils/integrationUtils.ts and test helpers | Restrictions: Must consider all system components, ensure proper test coverage, maintain integration test reliability | Success: Integration plan is comprehensive and feasible, all system components work together correctly, integration points are well-tested_

- [ ] 6.1 Write end-to-end tests
  - Set up E2E testing framework
  - Write user journey tests
  - Add test automation
  - _Leverage: tests/helpers/testUtils.ts, tests/fixtures/data.ts_
  - _Requirements: All_
  - _Prompt: Role: QA Automation Engineer with expertise in E2E testing and test frameworks like Cypress or Playwright | Task: Implement comprehensive end-to-end tests covering all requirements, setting up testing framework and user journey tests using test utilities and fixtures | Restrictions: Must test real user workflows, ensure tests are maintainable and reliable, do not test implementation details | Success: E2E tests cover all critical user journeys, tests run reliably in CI/CD pipeline, user experience is validated from end-to-end_

- [ ] 6.2 Final integration and cleanup
  - Integrate all components
  - Fix any integration issues
  - Clean up code and documentation
  - _Leverage: src/utils/cleanup.ts, docs/templates/_
  - _Requirements: All_
  - _Prompt: Role: Senior Developer with expertise in code quality and system integration | Task: Complete final integration of all components and perform comprehensive cleanup covering all requirements, using cleanup utilities and documentation templates | Restrictions: Must not break existing functionality, ensure code quality standards are met, maintain documentation consistency | Success: All components are fully integrated and working together, code is clean and well-documented, system meets all requirements and quality standards_
