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REQUIREMENTS.md

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Say Application Requirements

Overview

This is a sophisticated note-taking application that combines traditional text editing with advanced features like voice dictation and AI-powered text summarization. The application provides a seamless experience for creating, managing, and organizing notes with support for rich text editing, audio transcription, and smart content summarization.

Core Features

Note Management

  1. Note Creation and Editing

    • Create new notes with unique identifiers and timestamps
    • Rich text editing capabilities using TinyMCE editor
    • Support for text formatting, lists, and basic styling
    • Real-time content saving
    • Version history tracking with descriptions

  2. Note Organization

    • Tag-based organization system
    • Search functionality across note content and tags
    • List view with note previews
    • Note deletion with confirmation

  3. Data Persistence

    • Local storage for note data
    • Import/Export functionality for notes in JSON format
    • Version history for each note
    • Automatic saving of changes

Voice Dictation

  1. Audio Recording

    • In-browser audio recording capability
    • Support for different audio input sources
    • Real-time audio visualization
    • Recording controls (start, stop, pause)

  2. Speech-to-Text Transcription

    • Integration with Whisper AI model for transcription
    • Support for multiple languages
    • Real-time transcription processing
    • Progress indication during model loading and processing
    • Multiple model options:
      • Whisper tiny (41MB)
      • Whisper base (77MB)

  3. Audio Management

    • Support for various audio sources:
      • Direct microphone recording
      • File upload
      • URL import
    • Audio playback controls

AI Text Summarization

  1. Summary Generation

    • Integration with T5 transformer models
    • Support for different model sizes:
      • t5-small (faster processing)
      • t5-base (better quality)
    • Progress tracking during model loading
    • Configurable summary parameters

  2. Summary Display

    • Dedicated summary view
    • Model selection interface
    • Progress indication
    • Dismissible summary display

Technical Requirements

Frontend

  1. Framework and Libraries

    • React for UI components
    • TypeScript for type safety
    • TailwindCSS for styling
    • React Icons for iconography

  2. State Management

    • React hooks for local state
    • Custom hooks for complex features
    • Efficient state updates and persistence

  3. UI Components

    • Responsive layout
    • Modal system for dialogs
    • Progress indicators
    • Toast notifications
    • Accessible form controls

Audio Processing

  1. Browser APIs

    • WebAudio API for recording
    • MediaRecorder API for audio capture
    • AudioContext for audio processing
    • MediaDevices API for device access

  2. File Handling

    • Support for common audio formats
    • Blob and ArrayBuffer processing
    • File reading and writing
    • URL management

AI Integration

  1. Model Management

    • Dynamic model loading
    • Progress tracking
    • Error handling
    • Memory management

  2. Processing

    • Asynchronous processing
    • Batch processing for large content
    • Progress updates
    • Error recovery

Performance Requirements

  1. Responsiveness

    • Sub-second response for UI interactions
    • Smooth animations and transitions
    • Efficient DOM updates
    • Optimized rendering

  2. Resource Management

    • Efficient memory usage
    • Proper cleanup of audio resources
    • Model caching
    • Optimized state updates

  3. Error Handling

    • Graceful degradation
    • User-friendly error messages
    • Recovery mechanisms
    • Proper logging

Security Requirements

  1. Data Privacy

    • Local-only storage
    • Secure audio handling
    • Permission management
    • Safe file operations

  2. Input Validation

    • Sanitized content
    • File type verification
    • Size limitations
    • Safe URL handling

Accessibility Requirements

  1. WCAG Compliance

    • Keyboard navigation
    • Screen reader support
    • Proper ARIA labels
    • Color contrast compliance

  2. User Experience

    • Clear feedback
    • Intuitive controls
    • Consistent behavior
    • Helpful error messages

Browser Compatibility

  • Modern browser support (Chrome, Firefox, Safari, Edge)
  • Graceful degradation for unsupported features
  • Responsive design for different screen sizes
  • Touch device support