Session Quality Classification

What: Internal analytics to detect user frustration and PR creation requests

Details:

• Analyzes conversation patterns to identify frustrated users
• Detects explicit pull request creation requests
• Sends telemetry event tengu_session_quality_classification for matching sessions
• Uses a lightweight model to analyze user message patterns
• No user-visible changes
• Evidence: jr5() at line 442431, Pr5() at line 442426