Frontend Features:

1. User Interface Components:
   • Modern React/TypeScript-based UI
   • Responsive design using Tailwind CSS
   • Collapsible sidebar for file management
   • Real-time chat interface
   • File upload component
   • Error display components
   • Loading states and animations
2. File Management:
   • PDF file upload functionality
   • File listing and organization
   • File selection interface
   • File metadata display
   • File deletion capability
   • File renaming feature
3. Chat System:
   • Real-time chat interface
   • Message history display
   • User message input
   • AI response display
   • Chat history persistence
   • Message threading
   • User profile integration
4. State Management:
   • React state management
   • Loading states
   • Error handling
   • User session management
   • File selection state
   • Chat history state

Backend Features:

1. API Endpoints:
   • File upload and management
   • Chat message processing
   • Vector store operations
   • User authentication
   • File metadata operations
2. Database Management:
   • SQLite database integration
   • SQLAlchemy ORM
   • Database migrations (Alembic)
   • Data models for:
     • Files
     • Conversations
     • Messages
     • User data
3. PDF Processing:
   • PDF text extraction
   • Metadata extraction
   • Page count processing
   • Text chunking
   • PDF validation
4. AI Integration:
   • LangChain implementation
   • Google Gemini model integration
   • Vector embeddings generation
   • Semantic search capabilities
   • Context-aware responses
5. Vector Store Features:
   • Document embedding storage
   • Semantic search functionality
   • Similarity matching
   • Chunk management
   • Metadata storage
6. Security Features:
   • File validation
   • Size restrictions
   • Type checking
   • Error handling
   • API authentication
7. Performance Optimizations:
   • Caching system
   • Batch processing
   • Asynchronous operations
   • Connection pooling
   • Resource management
8. File Storage:
   • Local file storage
   • File metadata management
   • File type validation
   • Size validation
   • File organization
9. Chat System Backend:
   • Message processing
   • Context retrieval
   • AI response generation
   • Conversation management
   • History tracking
10. Monitoring and Logging:
    • Operation logging
    • Error tracking
    • Performance monitoring
    • User activity logging
    • System health checks
11. Integration Features:
12. Development Tools:
13. Data Processing:
14. User Management: