refactor: Update file path handling in TopicSimilarityService for improved error reporting and ensure absolute paths for topic and embeddings cache files

feat: Add topic similarity service using Google Generative AI embeddings, enabling improved topic matching and similarity analysis. Update topic extraction logic to utilize this service and enhance overall functionality.

feat: Implement user management service with Supabase integration, including user registration, retrieval, and name update endpoints.

chore: remove default fallback value for HUGGINGFACE_GENERATE_MODEL_ID.

fix: update default Hugging Face generate model ID to `NLP-Debater-Project/kpa-t5-improved`

refactor: Remove notebook and establish API routing structure.

Merge branch 'main' of https://huggingface.co/spaces/NLP-Debater-Project/FastAPI-Backend-Models

feat: Add text generation API endpoint with T5 model integration.

Add groq apis

Refactor audio processing and chatbot services; enhance STT and TTS functionalities with base64 support and session management

Update files

Refactor audio processing to utilize free models and enhance logging; update TTS and STT services for improved functionality

Enhance configuration validation and audio processing limits

Update config.py

add gemini api

Add tts/stt services

Update config.py

Update training script and model file

Update training script and model files

Add KPA model integration and update configuration for label predictions

Merge branch 'main' of https://huggingface.co/spaces/NLP-Debater-Project/FastAPI-Backend-Models

Update config.py

Update Hugging Face stance model ID configuration to use environment variable directly

Update configuration for stance detection model by renaming environment variables and adjusting model loading in main.py

first test