{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-24T04:01:50.345334+00:00","duration_seconds":1.850888,"id":186077,"input_summary":"chars=561 node=683210","metadata":{"llm_candidates":[{"callsign":"K4MM","confidence":1.0},{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=2 merged=3 calls=K4MM,KK7NQN","recording_id":110747,"started_at":"2026-06-24T04:01:48.494446+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":110748}