--- id: {{id}} title: {{title}} type: prd status: draft priority: {{priority}} created: {{timestamp}} author: {{author}} timeline: {{timeline}} --- # PRD: {{title}} ## Executive Summary Design and implement {{title}} - a {{component_type}} component for {{feature_purpose}}. **Component Type**: {{component_type}} **Target Platform**: {{platform}} ## Problem Statement ### Background {{problem}} ### User Need Users need to {{user_need}} in order to {{user_goal}}. ### Current Pain Points {{#if pain_points}} {{#each pain_points}} - {{this}} {{/each}} {{/if}} ## User Stories (INVEST Criteria) Following INVEST principles (Independent, Negotiable, Valuable, Estimable, Small, Testable): - As a **{{user_role}}**, I want to **{{user_action}}** so that **{{user_benefit}}** {{#if additional_stories}} {{#each additional_stories}} - As a **{{role}}**, I want to **{{action}}** so that **{{benefit}}** {{/each}} {{/if}} ## UI/UX Requirements ### Component Specifications - **Type**: {{component_type}} (Page/Modal/Widget/Form/Dashboard) - **Location**: {{component_location}} - **Interaction Pattern**: {{interaction_pattern}} - **Responsive Breakpoints**: Mobile (320px+), Tablet (768px+), Desktop (1024px+) ### Design Assets - **Wireframes**: {{wireframe_link}} - **Mockups**: {{design_link}} - **Design System**: {{design_system}} - **Brand Guidelines**: {{brand_guidelines}} ### Accessibility (WCAG 2.1 Level AA - 2025 Compliance) #### Perceivable - [ ] **Text Alternatives**: All non-text content has alt text - [ ] **Color Contrast**: Minimum 4.5:1 ratio for normal text, 3:1 for large text - [ ] **Resize Text**: Content readable at 200% zoom - [ ] **Images of Text**: Avoided unless essential #### Operable - [ ] **Keyboard Accessible**: All functionality via keyboard (no mouse required) - [ ] **Focus Indicators**: Visible focus states (outline, highlight) - [ ] **No Keyboard Trap**: Focus can move away from component - [ ] **Skip Links**: Skip to main content option - [ ] **Tab Order**: Logical navigation flow #### Understandable - [ ] **Clear Labels**: Form inputs have associated labels - [ ] **Error Identification**: Errors clearly described - [ ] **Consistent Navigation**: UI patterns consistent across app - [ ] **Predictable**: Components behave as expected #### Robust - [ ] **Valid HTML**: Semantic markup, no errors - [ ] **ARIA Labels**: Proper ARIA attributes where needed - [ ] **Screen Reader Testing**: NVDA, JAWS, VoiceOver compatible - [ ] **Browser Compatibility**: Chrome, Firefox, Safari, Edge ### Responsive Design **Mobile First Approach** (320px - 767px): - [ ] Touch-friendly targets (min 44x44px) - [ ] Single column layout - [ ] Simplified navigation - [ ] Optimized images **Tablet** (768px - 1023px): - [ ] Two column layout where appropriate - [ ] Enhanced navigation - [ ] Adaptive components **Desktop** (1024px+): - [ ] Multi-column layouts - [ ] Full feature set - [ ] Hover states - [ ] Advanced interactions ## Technical Requirements ### Frontend Stack - **Framework**: {{frontend_framework}} (React 18+/Vue 3+/Angular 17+) - **State Management**: {{state_management}} (Redux/Zustand/Pinia/NgRx) - **Styling**: {{styling_approach}} (CSS-in-JS/Sass/Tailwind/CSS Modules) - **Build Tool**: {{build_tool}} (Vite/Webpack 5/Parcel) ### Component Architecture ``` {{component_name}}/ ├── index.jsx/tsx # Main component ├── styles.module.css # Component styles ├── hooks/ │ ├── useComponentState.js │ └── useComponentEffects.js ├── utils/ │ └── helpers.js ├── types/ │ └── index.ts # TypeScript definitions ├── __tests__/ │ ├── index.test.jsx │ ├── integration.test.jsx │ └── a11y.test.jsx # Accessibility tests └── README.md ``` ### API Integration - **Endpoints**: {{api_endpoints}} - **Loading States**: - Skeleton loaders for content - Spinners for actions - Progress indicators for long operations - **Error Handling**: - Toast notifications - Inline error messages - Fallback UI components - **Caching Strategy**: {{cache_strategy}} ### Performance Requirements **Core Web Vitals (2025 Standards)**: - [ ] **LCP (Largest Contentful Paint)**: < 2.5s - [ ] **FID (First Input Delay)**: < 100ms - [ ] **CLS (Cumulative Layout Shift)**: < 0.1 - [ ] **INP (Interaction to Next Paint)**: < 200ms - [ ] **TTFB (Time to First Byte)**: < 600ms **Bundle Size**: - [ ] Component bundle: < 50KB (gzipped) - [ ] Total page size: < 500KB (initial load) - [ ] Code splitting implemented - [ ] Lazy loading for routes **Runtime Performance**: - [ ] 60 FPS scrolling - [ ] Smooth animations (requestAnimationFrame) - [ ] Debounced inputs (300ms) - [ ] Virtualized lists (for 100+ items) **Lighthouse Scores (Mobile)**: - Performance: > 90 - Accessibility: 100 - Best Practices: > 95 - SEO: > 90 ## Testing Requirements (TDD Approach) ### Unit Tests (Jest/Vitest) - [ ] Component rendering (all states) - [ ] User interactions (click, input, submit) - [ ] State management (updates, side effects) - [ ] Edge cases (empty states, errors) - [ ] Utility functions (pure logic) - **Coverage Target**: 100% for new code ### Integration Tests - [ ] API integration (success/error flows) - [ ] Navigation flow (routing) - [ ] Form submission (validation, submission) - [ ] State persistence (localStorage/sessionStorage) ### Accessibility Tests - [ ] axe-core automated testing - [ ] Keyboard navigation testing - [ ] Screen reader testing (NVDA, JAWS, VoiceOver) - [ ] Color contrast validation - [ ] ARIA attributes validation ### E2E Tests (Playwright/Cypress) - [ ] User journey (complete flow) - [ ] Cross-browser (Chrome, Firefox, Safari, Edge) - [ ] Responsive design (mobile, tablet, desktop) - [ ] Performance profiling - [ ] Visual regression testing ### Visual Testing - [ ] Chromatic/Percy visual regression - [ ] Storybook component documentation - [ ] Design system adherence ## Internationalization (i18n) {{#if i18n_required}} - [ ] Text externalized to language files - [ ] RTL (Right-to-Left) support - [ ] Date/time localization - [ ] Number/currency formatting - [ ] Pluralization rules - **Languages**: {{supported_languages}} {{/if}} ## Success Metrics (SMART Goals) - **Usability**: {{usability_score}}/100 SUS (System Usability Scale) score - **Adoption**: {{adoption_target}}% user engagement within {{adoption_timeframe}} - **Performance**: {{lighthouse_target}}/100 Lighthouse score - **Accessibility**: 100% WCAG 2.1 AA compliance - **Error Rate**: < {{error_rate}}% - **User Satisfaction**: {{nps_target}} NPS score ## User Feedback Collection - [ ] Analytics integration (GA4/Mixpanel) - [ ] Heatmap tracking (Hotjar/FullStory) - [ ] User surveys (post-interaction) - [ ] A/B testing framework - [ ] Session replay analysis ## Implementation Plan ### Phase 1: Design & Setup (Week 1) - [ ] UI/UX review and approval - [ ] Component architecture design - [ ] API contracts finalized - [ ] Accessibility audit plan - [ ] Development environment setup ### Phase 2: Development (Week 2-3) - [ ] Write failing tests (TDD Red) - [ ] Implement component logic (TDD Green) - [ ] Apply styling and responsive design - [ ] Accessibility implementation - [ ] Code review and refactoring ### Phase 3: Testing (Week 4) - [ ] Unit test completion (100% coverage) - [ ] Integration testing - [ ] Accessibility testing (manual + automated) - [ ] Cross-browser testing - [ ] Performance optimization - [ ] Visual regression testing ### Phase 4: Release (Week 5) - [ ] Staging deployment - [ ] QA validation - [ ] Usability testing - [ ] Documentation finalization - [ ] Production deployment - [ ] Monitoring setup - [ ] User feedback collection ## Browser & Device Support ### Desktop Browsers - Chrome (latest 2 versions) - Firefox (latest 2 versions) - Safari (latest 2 versions) - Edge (latest 2 versions) ### Mobile Browsers - iOS Safari (latest 2 versions) - Chrome Mobile (latest version) - Samsung Internet (latest version) ### Device Testing - [ ] iPhone (12, 13, 14, 15) - [ ] iPad (9th gen, Pro) - [ ] Android phones (Samsung, Pixel) - [ ] Desktop (1920x1080, 2560x1440) ## Monitoring & Analytics ### Performance Monitoring - Real User Monitoring (RUM) - Core Web Vitals tracking - Error tracking (Sentry/Rollbar) - Bundle size monitoring ### User Analytics - User flow tracking - Feature usage metrics - Conversion funnels - Drop-off points ### Alerts - Performance degradation (LCP > 3s) - Error rate spike (> {{error_threshold}}%) - Accessibility violations - Browser compatibility issues ## Rollback Plan ### Rollback Triggers - Accessibility compliance failure - Critical UI bug affecting {{user_percentage}}% users - Performance degradation > {{perf_degradation}}% - Cross-browser compatibility issues ### Rollback Procedure 1. Feature flag toggle (immediate disable) 2. Revert deployment to previous version 3. Notify affected users 4. Root cause analysis 5. Fix and re-deploy ## Risks and Mitigation ### Technical Risks | Risk | Impact | Probability | Mitigation | |------|--------|-------------|------------| | Browser compatibility issues | High | Medium | Cross-browser testing early | | Performance degradation | High | Low | Performance budgets, monitoring | | Accessibility violations | Critical | Low | Automated + manual testing | ### UX Risks | Risk | Impact | Probability | Mitigation | |------|--------|-------------|------------| | Poor usability | High | Medium | User testing, feedback loops | | Confusing navigation | Medium | Medium | A/B testing, analytics | ## Open Questions - [ ] {{question_1}} - [ ] {{question_2}} - [ ] {{question_3}} ## Appendix ### Design Resources - Design system: {{design_system_link}} - Component library: {{component_library_link}} - Icon library: {{icon_library}} ### References - [WCAG 2.1 Guidelines](https://www.w3.org/TR/WCAG21/) - [Web Vitals](https://web.dev/vitals/) - [Accessibility Testing Guide](https://www.w3.org/WAI/test-evaluate/) - [React Best Practices 2025](https://react.dev/learn) ### Changelog - {{timestamp}}: Initial PRD created by {{author}} --- *UI Feature PRD - Generated from template: ui-feature* *Template follows 2025 best practices: WCAG 2.1 AA compliance, Core Web Vitals, TDD methodology, Mobile-first design*