feat: implement real-time text-to-speech highlighting and document management within chat interface

feat: implement backend configuration, dynamic frontend API routing, and core React application structure with modular components

feat: implement ChatWindow component with document upload, voice transcription, and streaming responses

feat: implement premium dark mode theme and Sidebar component structure

feat: implement Midnight Amethyst theme, ChatWindow UI component, and backend entry point

fix: reuse and synchronously unlock single Audio element for mobile TTS compatibility

feat: implement RAG chat endpoint with session management and cross-document streaming response generation

clean: remove single-document delete option from library view

clean: remove obsolete docker dependencies and empty temporary scripts

perf: swap to lightweight ms-marco-MiniLM reranker for lower cpu latency

style: fix mobile header notch overlap and chat bubble citation overflow

fix: create qdrant payload indexes on startup for filtering

chore: add dynamic API base URL and improve backend error handling

style: fix library table actions column overflow on desktop

feat: make logo transparent and stage updates

feat: implement core frontend auth and chat interface components

feat: implement full-stack authentication, chat interface, document management, and voice service integration

feat: initialize chat interface with document RAG, voice-to-text, and real-time streaming capabilities.

feat: initialize main App component and global CSS styles

feat: add custom SVG favicon to public assets

feat: implement SpeechModelManager to handle STT and TTS model initialization and warmup

feat: implement voice transcription service with FFmpeg audio processing and API routing

feat: add VoiceService with audio transcription using FFmpeg and Whisper model integration

feat: add Dockerfile for backend service with system dependencies and model configurations

feat: implement ChatWindow component with document upload, voice transcription, and TTS highlighting support

feat: implement API service layer for backend communication and authentication

feat: add api.js module for backend authentication, document management, chat operations, and media processing

feat: add production API URL environment variable

feat: initialize FastAPI application with database setup, CORS middleware, and background model warming

feat: add API service layer and ChatWindow component with document upload and voice processing capabilities

feat: implement speech-to-text and text-to-speech services using Whisper and Kokoro with a background model manager.

chore: update dependency versions in requirements.txt

chore: update project dependencies in requirements.txt

refactor: condense Dockerfile patching logic and add a dedicated backend Dockerfile for containerized deployment

feat: add backend-specific Dockerfile and apply automated input validation patch for Qwen modules

chore: update project dependencies in requirements.txt

Add Hugging Face Space metadata to README.md

Initial clean commit