implement streaming to the chat

Refactor chat.py to improve error handling and logging in send_telegram_notification function, enhancing overall notification reliability.

Update app.py to disable SSR mode for compatibility with HF Spaces health-check and enable error display during launch.

Enhance app.py to bind server to 0.0.0.0 and listen on PORT from environment variable; update requirements.txt to include openai, requests, and pydantic dependencies.

test

fix app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

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