`tasks/prd-new-feature-for-jill-website.md`

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# Product Requirements Document: Luxury Beachfront Vacation Rental Website for Nosara, Costa Rica

## 1. Introduction/Overview

This project aims to develop a comprehensive luxury beachfront vacation rental website for properties in Nosara, Costa Rica. The platform will serve as a premium showcase for luxury accommodations while integrating with existing booking platforms like Airbnb. The website will feature modern design, comprehensive documentation, robust testing, and seamless third-party integrations to provide an exceptional user experience for potential guests seeking high-end vacation rentals.

**Project**: jill-website  
**Priority**: High  
**Tech Stack**: Node.js + Express  
**Target Users**: All users (potential guests, property owners, administrators)

## 2. Goals

• Create a premium luxury vacation rental website showcasing Nosara beachfront properties
• Implement comprehensive documentation system for maintainability and AI-assisted development
• Establish robust unit testing framework with 90% code coverage
• Integrate with Airbnb and other booking platforms for seamless reservation management
• Provide automated calendar synchronization and conflict resolution
• Enable guest inquiry management and automated messaging capabilities
• Support cleaning service coordination and property management workflows
• Deliver mobile-responsive design optimized for luxury property showcase
• Implement performance optimization for fast loading times

## 3. User Stories

### US-001: Property Showcase Homepage
**Description**: As a potential guest, I want to view a stunning homepage showcasing luxury beachfront properties so that I can quickly assess if this destination meets my vacation needs.

**Acceptance Criteria**:
- Homepage displays hero section with high-quality beach property images
- Property cards show key details: name, capacity, key amenities, starting price
- Page loads in under 3 seconds on desktop and mobile
- All images have proper alt text for accessibility
- Verify in browser using dev-browser skill
- Typecheck passes

### US-002: Property Detail Pages
**Description**: As a potential guest, I want to view detailed property information including photos, amenities, and location details so that I can make an informed booking decision.

**Acceptance Criteria**:
- Property page displays image gallery with minimum 10 high-resolution photos
- Amenities list includes luxury features (pool, ocean view, etc.)
- Location map shows property position relative to beach and local attractions
- Guest capacity and bedroom/bathroom count clearly displayed
- Contact/inquiry button prominently placed
- Verify in browser using dev-browser skill
- Typecheck passes

### US-003: Airbnb Integration Link
**Description**: As a potential guest, I want to easily navigate to the official Airbnb listing so that I can complete my booking through the established platform.

**Acceptance Criteria**:
- "Book on Airbnb" button opens Airbnb listing in new tab
- Button is visually prominent with luxury styling consistent with site design
- Link includes tracking parameters for analytics
- Fallback message displays if Airbnb link is unavailable
- Verify in browser using dev-browser skill
- Typecheck passes

### US-004: Guest Inquiry Form
**Description**: As a potential guest, I want to submit inquiries about property availability and special requests so that I can receive personalized assistance.

**Acceptance Criteria**:
- Form includes fields: name, email, phone, check-in/out dates, guest count, message
- Client-side validation prevents submission of incomplete forms
- Success message confirms form submission
- Email validation uses proper regex pattern
- Form data is stored in database with timestamp
- Verify in browser using dev-browser skill
- Typecheck passes

### US-005: Responsive Mobile Design
**Description**: As a mobile user, I want the website to display properly on my smartphone so that I can browse properties while on the go.

**Acceptance Criteria**:
- Site displays correctly on screen widths from 320px to 1920px
- Touch targets are minimum 44px for mobile usability
- Images scale appropriately without distortion
- Navigation menu collapses to hamburger on mobile
- Text remains readable without horizontal scrolling
- Verify in browser using dev-browser skill
- Typecheck passes

### US-006: Project README Documentation
**Description**: As a developer, I want comprehensive README documentation so that I can understand project setup, architecture, and deployment procedures.

**Acceptance Criteria**:
- README.md includes project description, tech stack, and architecture overview
- Installation instructions with step-by-step commands for local development
- Environment variables documentation with example .env file
- API endpoints documentation with request/response examples
- Deployment instructions for production environment
- Contributing guidelines and code style requirements
- File exists in project root and renders properly on GitHub
- Typecheck passes

### US-007: AI Development Documentation
**Description**: As an AI assistant or developer, I want detailed CLAUDE.md documentation so that I can understand the codebase context and contribute effectively.

**Acceptance Criteria**:
- CLAUDE.md includes project context, key architectural decisions, and design patterns
- Database schema documentation with table relationships
- Business logic explanations and workflow diagrams
- Integration points and external API documentation
- Common development tasks and troubleshooting guide
- Code organization principles and file structure explanation
- File is properly formatted markdown with clear sections
- Typecheck passes

### US-008: Jest Testing Framework Setup
**Description**: As a developer, I want a Jest testing framework configured so that I can write and execute unit tests reliably.

**Acceptance Criteria**:
- Jest installed and configured with TypeScript support
- Test scripts added to package.json (test, test:watch, test:coverage)
- Jest config file includes coverage thresholds set to 90%
- Example test file demonstrates testing patterns for the project
- Coverage reports exclude node_modules and build directories
- Tests run successfully with `npm test` command
- Typecheck passes

### US-009: Database Integration Tests
**Description**: As a developer, I want integration tests for database operations so that I can verify data persistence works correctly.

**Acceptance Criteria**:
- Test database setup and teardown functions implemented
- Tests cover CRUD operations for inquiry form submissions
- Database connection error handling tested
- Mock data factories created for consistent test data
- Tests verify foreign key constraints and data validation
- All database tests pass and achieve required coverage
- Typecheck passes

### US-010: External API Integration Tests
**Description**: As a developer, I want integration tests for external APIs so that I can verify third-party service connections work properly.

**Acceptance Criteria**:
- Mock HTTP responses for Airbnb calendar API integration
- Tests cover API authentication and error handling
- Rate limiting and timeout scenarios tested
- Calendar synchronization logic verified with test data
- External API failures don't crash the application
- All API integration tests pass
- Typecheck passes

### US-011: Automated Calendar Synchronization
**Description**: As a property manager, I want automatic calendar sync with Airbnb so that availability is always accurate across platforms.

**Acceptance Criteria**:
- Scheduled job runs every 4 hours to sync calendar data
- Booking conflicts automatically block dates on both platforms
- Sync failures are logged with detailed error messages
- Manual sync endpoint available for immediate updates
- Last sync timestamp displayed in admin interface
- First-come-first-served logic resolves simultaneous booking attempts
- Typecheck passes

### US-012: Automated Guest Messaging
**Description**: As a property manager, I want automated confirmation messages sent to guests so that inquiries receive immediate acknowledgment.

**Acceptance Criteria**:
- Confirmation email sent within 30 seconds of inquiry submission
- Email template includes property details and next steps
- Email delivery failures are logged and retried up to 3 times
- Personalized message includes guest name and requested dates
- Unsubscribe link included in all automated emails
- Email content is mobile-friendly and professionally formatted
- Typecheck passes

## 4. Functional Requirements

**FR-1**: The system shall display luxury beachfront properties with high-quality images, detailed descriptions, and amenity listings.

**FR-2**: The system shall integrate with Airbnb booking platform through direct links with tracking parameters.

**FR-3**: The system shall provide guest inquiry forms with validation and database storage.

**FR-4**: The system shall implement responsive design supporting screen sizes from 320px to 1920px.

**FR-5**: The system shall synchronize availability calendars with external booking platforms every 4 hours.

**FR-6**: The system shall automatically resolve booking conflicts using first-come-first-served logic.

**FR-7**: The system shall send automated confirmation emails within 30 seconds of inquiry submission.

**FR-8**: The system shall maintain 90% code coverage through comprehensive unit and integration testing.

**FR-9**: The system shall provide complete documentation including README.md and CLAUDE.md files.

**FR-10**: The system shall coordinate with cleaning services through automated scheduling integration.

**FR-11**: The system shall track and log all external API interactions for monitoring and debugging.

**FR-12**: The system shall implement proper error handling for all database operations and external service calls.

## 5. Non-Goals

• Internal booking system development (bookings handled through Airbnb)
• Payment processing implementation (handled by third-party platforms)
• Multi-language support in initial release
• Advanced property management features (cleaning schedules managed externally)
• Real-time chat functionality
• Mobile application development
• Social media integration beyond basic sharing
• Advanced analytics dashboard (basic metrics only)

## 6. Design Considerations

• **Luxury Aesthetic**: Premium design with high-quality imagery, elegant typography, and sophisticated color palette
• **Performance First**: Optimized images, lazy loading, and minimal JavaScript for fast page loads
• **Mobile Responsive**: Touch-friendly interface with intuitive navigation on all device sizes
• **Accessibility**: WCAG 2.1 compliance with proper alt text, keyboard navigation, and screen reader support
• **SEO Optimization**: Semantic HTML, meta tags, and structured data for search engine visibility
• **Brand Consistency**: Cohesive visual identity reflecting luxury beachfront vacation experience

## 7. Technical Considerations

• **Architecture**: Node.js + Express server with modular route structure and middleware
• **Database**: PostgreSQL or MongoDB for inquiry storage and analytics
• **Testing**: Jest framework with Supertest for API testing and integration tests
• **Documentation**: Markdown files with clear examples and architectural diagrams
• **External APIs**: Airbnb Calendar API, email service provider, cleaning service API
• **Security**: Input validation, SQL injection prevention, and secure API key management
• **Deployment**: Docker containerization with environment-specific configurations
• **Monitoring**: Error logging, performance metrics, and uptime monitoring
• **Caching**: Redis for session management and API response caching

## 8. Success Metrics

• **Booking Conversion Rate**: Measure percentage of website visitors who complete bookings through Airbnb integration (target: >5%)
• **Average Stay Duration**: Track typical length of bookings generated from website traffic (target: >7 days)
• **Customer Satisfaction Scores**: Post-stay survey ratings for guests who discovered property through website (target: >4.5/5)
• **Page Load Performance**: Website loading times across different devices and connection speeds (target: <3 seconds)
• **Code Coverage**: Percentage of codebase covered by automated tests (target: >90%)
• **Calendar Sync Accuracy**: Successful synchronization rate with external booking platforms (target: >99%)
• **Inquiry Response Time**: Average time for automated confirmation emails (target: <30 seconds)

## 9. Open Questions

• What specific luxury amenities should be highlighted prominently (infinity pool, private chef, concierge services)?
• Should the website support multiple properties or focus on a single luxury rental initially?
• What backup communication method should be implemented if automated emails fail?
• How should the system handle seasonal pricing variations and special event surcharges?
• What level of integration is needed with local service providers (transportation, activities, dining)?
• Should guest reviews and testimonials be displayed, and if so, how should they be managed?
• What analytics tracking should be implemented to measure marketing campaign effectiveness?
• How should the system handle inquiries for dates that are already booked on external platforms?

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**Final Website Address**: Will be provided upon completion of development and deployment.