I Ching App Functionality Specifications

I Ching App Functionality Specifications

Core System Functionality

1. Hexagram Engine

1.1 Complete Hexagram Database

  • FR-1.1.1: Implement complete database of all 64 hexagrams with unique identifiers
  • FR-1.1.2: Store multiple translations for each hexagram (Wilhelm-Baynes, Brian Browne Walker, modern simplified)
  • FR-1.1.3: Include detailed information for each line (stable and changing)
  • FR-1.1.4: Maintain relationships between hexagrams (opposite, inverse, nuclear)
  • FR-1.1.5: Store trigram associations and meanings for all hexagrams

1.2 Divination Methods

  • FR-1.2.1: Implement traditional coin toss algorithm with authentic probabilities (7.5% moving yang, 7.5% moving yin, 42.5% stable yang, 42.5% stable yin)
  • FR-1.2.2: Support yarrow stalk calculation method with authentic probabilities (9.4% moving yang, 3.1% moving yin, 43.7% stable yang, 43.7% stable yin)
  • FR-1.2.3: Provide simplified quick generation option for rapid readings
  • FR-1.2.4: Generate both primary hexagram and changing hexagram when applicable
  • FR-1.2.5: Support manual hexagram selection for educational purposes

1.3 Changing Lines System

  • FR-1.3.1: Detect and highlight changing lines during hexagram generation
  • FR-1.3.2: Calculate resulting hexagram based on changing lines
  • FR-1.3.3: Provide specific interpretations for changing lines
  • FR-1.3.4: Visualize transformation between original and resulting hexagrams
  • FR-1.3.5: Support multiple changing lines with prioritization logic

2. User Experience

2.1 Reading Generation

  • FR-2.1.1: Provide question input interface with character counter and suggestions
  • FR-2.1.2: Implement interactive coin tossing animation with realistic physics
  • FR-2.1.3: Create visual yarrow stalk manipulation interface with traditional counting process
  • FR-2.1.4: Support haptic feedback during casting process
  • FR-2.1.5: Include optional meditation guidance before reading

2.2 Reading Presentation

  • FR-2.2.1: Display hexagram with clear visual representation of lines
  • FR-2.2.2: Show hexagram number, name, and basic meaning
  • FR-2.2.3: Provide expandable sections for judgment and image texts
  • FR-2.2.4: Highlight changing lines with special visual effects
  • FR-2.2.5: Display resulting hexagram when changes occur

2.3 Reading History

  • FR-2.3.1: Store complete reading history with timestamps
  • FR-2.3.2: Provide search and filter functionality for past readings
  • FR-2.3.3: Support tagging and categorization of readings
  • FR-2.3.4: Implement calendar view for temporal analysis
  • FR-2.3.5: Enable reading comparison functionality

3. Journal System

3.1 Journal Entry Creation

  • FR-3.1.1: Allow journal entries to be attached to readings
  • FR-3.1.2: Support rich text formatting in journal entries
  • FR-3.1.3: Enable image attachment to journal entries
  • FR-3.1.4: Provide AI-assisted reflection prompts based on hexagram
  • FR-3.1.5: Support mood and sentiment tracking with entries

3.2 Journal Analysis

  • FR-3.2.1: Implement search functionality across journal entries
  • FR-3.2.2: Provide tag-based filtering and organization
  • FR-3.2.3: Generate insights based on journal content and associated readings
  • FR-3.2.4: Track emotional patterns through mood data
  • FR-3.2.5: Identify recurring themes in journal entries

4. Educational Content

4.1 Hexagram Encyclopedia

  • FR-4.1.1: Create comprehensive reference for all 64 hexagrams
  • FR-4.1.2: Include detailed explanations of trigrams and their combinations
  • FR-4.1.3: Provide etymology of Chinese characters and names
  • FR-4.1.4: Include historical context and evolution of interpretations
  • FR-4.1.5: Support cross-referencing between related hexagrams

4.2 Learning Modules

  • FR-4.2.1: Develop structured curriculum for I Ching learning
  • FR-4.2.2: Create interactive tutorials for divination methods
  • FR-4.2.3: Implement quizzes and knowledge checks
  • FR-4.2.4: Provide multimedia content (text, images, audio, video)
  • FR-4.2.5: Track progress and achievements in learning journey

4.3 Interactive Tools

  • FR-4.3.1: Create interactive hexagram explorer with 3D visualization
  • FR-4.3.2: Implement trigram combination tool to understand hexagram formation
  • FR-4.3.3: Provide practice environment for divination methods
  • FR-4.3.4: Support virtual yarrow stalk manipulation for learning
  • FR-4.3.5: Include etymology explorer for Chinese characters

Premium Features

5. AI-Enhanced Insights

5.1 Personalized Interpretations

  • FR-5.1.1: Generate context-aware interpretations based on user question
  • FR-5.1.2: Provide personalized insights based on user history and patterns
  • FR-5.1.3: Adapt language and examples to user's demonstrated interests
  • FR-5.1.4: Generate practical application suggestions based on hexagram meaning
  • FR-5.1.5: Offer multiple depth levels of interpretation (basic, detailed, scholarly)

5.2 Pattern Recognition

  • FR-5.2.1: Analyze frequency and distribution of hexagrams in user history
  • FR-5.2.2: Identify recurring themes in questions and readings
  • FR-5.2.3: Detect patterns in changing lines across readings
  • FR-5.2.4: Track evolution of hexagrams over time
  • FR-5.2.5: Generate insights based on identified patterns

5.3 Predictive Analytics

  • FR-5.3.1: Suggest potential focus areas based on reading patterns
  • FR-5.3.2: Identify life areas requiring attention
  • FR-5.3.3: Recognize cyclical patterns in user's readings
  • FR-5.3.4: Provide growth tracking based on journal and reading data
  • FR-5.3.5: Generate personalized recommendations for further study

6. Advanced Divination Features

6.1 Enhanced Casting Methods

  • FR-6.1.1: Implement plum blossom numerology method
  • FR-6.1.2: Support Ba Zi (Chinese astrology) correlation
  • FR-6.1.3: Include time-based hexagram calculation
  • FR-6.1.4: Enable custom ritual creation with user-defined steps
  • FR-6.1.5: Provide comparative analysis between different casting methods

6.2 Changing Lines Analysis

  • FR-6.2.1: Provide detailed explanation of line dynamics
  • FR-6.2.2: Visualize energy movement within hexagram
  • FR-6.2.3: Animate transition between hexagrams
  • FR-6.2.4: Include historical context for line changes
  • FR-6.2.5: Generate personalized interpretation of changes

6.3 Advanced Interpretation Sources

  • FR-6.3.1: Include rare and scholarly translations
  • FR-6.3.2: Provide access to historical commentaries
  • FR-6.3.3: Support specialized reading approaches (psychological, spiritual, etc.)
  • FR-6.3.4: Include expert commentary on hexagrams
  • FR-6.3.5: Provide case studies and application examples

7. Consultation Platform

7.1 Practitioner Directory

  • FR-7.1.1: Implement searchable practitioner directory
  • FR-7.1.2: Support filtering by expertise, language, and availability
  • FR-7.1.3: Display ratings and reviews for practitioners
  • FR-7.1.4: Show practitioner profiles with bio, photo, and video introduction
  • FR-7.1.5: Indicate real-time availability status

7.2 Booking System

  • FR-7.2.1: Display interactive availability calendar
  • FR-7.2.2: Support appointment duration selection
  • FR-7.2.3: Process payments and handle cancellations
  • FR-7.2.4: Generate calendar invites and reminders
  • FR-7.2.5: Support rescheduling with appropriate policies

7.3 Consultation Interface

  • FR-7.3.1: Provide high-quality video conferencing capability
  • FR-7.3.2: Support screen sharing for hexagram discussion
  • FR-7.3.3: Enable collaborative note-taking
  • FR-7.3.4: Allow resource sharing during session
  • FR-7.3.5: Support recording with consent management

7.4 Post-Consultation

  • FR-7.4.1: Generate consultation summary
  • FR-7.4.2: Store session notes and insights
  • FR-7.4.3: Provide follow-up scheduling
  • FR-7.4.4: Enable two-way feedback and rating
  • FR-7.4.5: Suggest relevant resources based on consultation

8. Subscription Management

8.1 Tier Management

  • FR-8.1.1: Implement tiered subscription model (Free, Premium, Professional)
  • FR-8.1.2: Support feature gating based on subscription level
  • FR-8.1.3: Enable seamless upgrade/downgrade between tiers
  • FR-8.1.4: Provide trial period functionality
  • FR-8.1.5: Support grandfathered pricing for early adopters

8.2 Payment Processing

  • FR-8.2.1: Integrate with payment gateway for subscription billing
  • FR-8.2.2: Support multiple payment methods (credit card, PayPal, Apple Pay, Google Pay)
  • FR-8.2.3: Implement secure payment information storage
  • FR-8.2.4: Provide receipt generation and history
  • FR-8.2.5: Handle subscription renewal and expiration

Technical Requirements

9. User Management

9.1 User Registration

  • TR-9.1.1: Support email-based registration with password requirements
  • TR-9.1.2: Implement social login options (Google, Apple, Facebook)
  • TR-9.1.3: Collect essential user information (name, email, timezone)
  • TR-9.1.4: Support optional profile enhancement (I Ching experience level, interests)
  • TR-9.1.5: Implement email verification process

9.2 User Profile

  • TR-9.2.1: Allow users to edit profile information and preferences
  • TR-9.2.2: Support profile image upload and management
  • TR-9.2.3: Provide notification preference controls
  • TR-9.2.4: Enable privacy setting management
  • TR-9.2.5: Support data export and account deletion

9.3 Authentication Security

  • TR-9.3.1: Implement JWT-based authentication with appropriate expiration
  • TR-9.3.2: Support two-factor authentication (email, SMS, authenticator app)
  • TR-9.3.3: Provide secure password reset functionality
  • TR-9.3.4: Implement session management with device tracking
  • TR-9.3.5: Support biometric authentication on compatible devices

10. Data Management

10.1 Cloud Synchronization

  • TR-10.1.1: Implement real-time data synchronization across devices
  • TR-10.1.2: Support offline functionality with sync on reconnection
  • TR-10.1.3: Optimize data transfer for mobile networks
  • TR-10.1.4: Implement conflict resolution for simultaneous edits
  • TR-10.1.5: Provide data backup and restore functionality

10.2 Data Privacy

  • TR-10.2.1: Encrypt sensitive user data at rest and in transit
  • TR-10.2.2: Implement data retention and deletion policies
  • TR-10.2.3: Support data portability (export in standard formats)
  • TR-10.2.4: Provide transparent privacy controls for users
  • TR-10.2.5: Ensure compliance with relevant privacy regulations

10.3 Analytics and Telemetry

  • TR-10.3.1: Implement anonymous usage analytics
  • TR-10.3.2: Track feature adoption and engagement
  • TR-10.3.3: Monitor performance metrics and errors
  • TR-10.3.4: Support opt-out for telemetry collection
  • TR-10.3.5: Use analytics to inform feature development

11. Performance Requirements

11.1 Response Time

  • TR-11.1.1: App launch time under 2 seconds on mid-range devices
  • TR-11.1.2: UI interaction response under 100ms
  • TR-11.1.3: Reading generation complete within 3 seconds
  • TR-11.1.4: API response time under 500ms for 95% of requests
  • TR-11.1.5: Smooth animations at 60fps

11.2 Resource Usage

  • TR-11.2.1: Optimize memory usage for mobile devices
  • TR-11.2.2: Minimize battery consumption during active use
  • TR-11.2.3: Efficient storage usage for offline content
  • TR-11.2.4: Optimize network usage with caching strategies
  • TR-11.2.5: Support background sync with minimal resource impact

11.3 Scalability

  • TR-11.3.1: Support minimum 100,000 concurrent users
  • TR-11.3.2: Handle 1,000 reading generations per second
  • TR-11.3.3: Support 10,000 concurrent video consultations
  • TR-11.3.4: Database design to efficiently handle 10+ million readings
  • TR-11.3.5: Implement horizontal scaling for all services

12. Platform Support

12.1 Mobile Support

  • TR-12.1.1: Support iOS 15.0 and above
  • TR-12.1.2: Support Android 10.0 and above
  • TR-12.1.3: Optimize for various screen sizes and resolutions
  • TR-12.1.4: Support both phone and tablet form factors
  • TR-12.1.5: Ensure compatibility with major device manufacturers

12.2 Web Support

  • TR-12.2.1: Support latest versions of Chrome, Safari, Firefox, Edge
  • TR-12.2.2: Ensure responsive design for desktop and mobile browsers
  • TR-12.2.3: Support PWA capabilities for offline access
  • TR-12.2.4: Optimize for various screen resolutions and orientations
  • TR-12.2.5: Ensure accessibility compliance across browsers

12.3 Wearable Integration

  • TR-12.3.1: Provide Apple Watch companion app
  • TR-12.3.2: Support Wear OS integration
  • TR-12.3.3: Enable quick readings from wearable devices
  • TR-12.3.4: Provide notification management on wearables
  • TR-12.3.5: Optimize UI for small screen interactions

Implementation Considerations

13. Development Approach

13.1 Architecture

  • IR-13.1.1: Implement clean architecture with clear separation of concerns
  • IR-13.1.2: Use React Native for cross-platform mobile development
  • IR-13.1.3: Implement React.js for web version
  • IR-13.1.4: Use GraphQL for efficient data fetching
  • IR-13.1.5: Implement offline-first approach with local storage

13.2 AI Implementation

  • IR-13.2.1: Use TensorFlow.js for on-device machine learning
  • IR-13.2.2: Implement NLP models for question and journal analysis
  • IR-13.2.3: Use pattern recognition algorithms for reading history analysis
  • IR-13.2.4: Implement recommendation system for personalized content
  • IR-13.2.5: Support federated learning for privacy-preserving model improvements

13.3 Data Storage

  • IR-13.3.1: Use Firebase Firestore for cloud data storage
  • IR-13.3.2: Implement Redux for state management
  • IR-13.3.3: Use SQLite for local database
  • IR-13.3.4: Implement efficient sync mechanisms between local and cloud
  • IR-13.3.5: Use secure storage for sensitive information

14. Quality Assurance

14.1 Testing Strategy

  • IR-14.1.1: Implement comprehensive unit testing (min 80% coverage)
  • IR-14.1.2: Conduct integration testing for all services
  • IR-14.1.3: Perform end-to-end testing for critical user flows
  • IR-14.1.4: Support automated UI testing
  • IR-14.1.5: Implement performance and load testing

14.2 Accessibility Compliance

  • IR-14.2.1: Ensure WCAG 2.1 AA compliance
  • IR-14.2.2: Support screen readers and assistive technologies
  • IR-14.2.3: Implement keyboard navigation
  • IR-14.2.4: Provide sufficient color contrast
  • IR-14.2.5: Include alternative text for all images

14.3 Localization

  • IR-14.3.1: Support multiple languages (English, Chinese, Spanish initially)
  • IR-14.3.2: Implement locale-specific formatting for dates and numbers
  • IR-14.3.3: Support right-to-left languages in UI
  • IR-14.3.4: Provide cultural context adaptations where appropriate
  • IR-14.3.5: Implement efficient string management system

15. GitHub Repository Structure

15.1 Code Organization

  • IR-15.1.1: Organize code into logical modules and components
  • IR-15.1.2: Implement consistent naming conventions
  • IR-15.1.3: Use TypeScript for type safety
  • IR-15.1.4: Provide comprehensive documentation
  • IR-15.1.5: Include Pydantic models for data validation

15.2 Build and Deployment

  • IR-15.2.1: Set up CI/CD pipeline with GitHub Actions
  • IR-15.2.2: Implement automated testing in pipeline
  • IR-15.2.3: Configure deployment to multiple platforms
  • IR-15.2.4: Set up version management and release process
  • IR-15.2.5: Include environment configuration management

15.3 Documentation

  • IR-15.3.1: Provide comprehensive README with setup instructions
  • IR-15.3.2: Include API documentation with examples
  • IR-15.3.3: Document hexagram data structure and interpretation sources
  • IR-15.3.4: Provide contribution guidelines
  • IR-15.3.5: Include architecture diagrams and explanations