Agentic RL支持监听http断开事件

[luozirong2025]

Description

[Describe what this PR does and why]

Related Issue: Fixes #[issue_number] or Relates to #[issue_number]

Security Considerations: [Check if API keys or sensitive credentials are exposed in code/logs]

Type of Change

• Bug fix
• New feature
• Breaking change
• Documentation
• Refactoring

Component(s) Affected

• Model
• Application
• Common
• Documentation
• Tests
• CI/CD

Checklist

• Pre-commit hooks pass
• Tests pass locally
• Documentation updated (if needed)
• Ready for review

Testing

[How to test these changes]

Additional Notes

[Optional: any other context]

[gemini-code-assist]

Code Review

This pull request implements client disconnect detection in the FastAPI server, cancelling the processing task if a disconnect occurs, and adds utility functions for extracting request IDs and business summaries for logging. The review feedback suggests delaying the disconnect listener task creation until after the request body is fully parsed to avoid ASGI message competition, adding a null check for this listener in the 'finally' block to prevent 'AttributeError', and defensively accessing the 'headers' attribute on the request object.

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