refine handling of unknown questions by improving user follow-up prompts and notification logic

optimize unknown question flow

optimize unknown question flow

optimize unknown question handling

implement streaming to the chat

optimize system prompt and remove network self test

add dynamic routing and change answer model to gpt-4.1-mini

clean up

fix double telegram notification

Update implementation/chat.py

Update implementation/chat.py

fix self test 2

fix self test

test cloudflare worker

use cloudflare worker to send telegram notification

added logging to telegram feature

Add retry logic to Telegram notification

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

Enhance send_telegram_notification function in chat.py to implement retry logic for failed requests, improving reliability of Telegram notifications.

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

Refactor app.py to improve code structure and readability; remove redundant imports and streamline function definitions.

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

optimize chat.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 requirements.txt

Create runtime.txt

Update app.py

Delete runtime.txt

Update app.py

Update requirements.txt

Create runtime.txt

Update README.md

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