{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T16:45:37.946586+00:00","duration_seconds":2.349713,"id":529778,"input_summary":"chars=1048 node=683211","metadata":{"llm_candidates":[{"callsign":"M7BLX","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=3 calls=M7BLX,KK7NQN","recording_id":124474,"started_at":"2026-06-26T16:45:35.596873+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":124475}