{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T18:36:27.245995+00:00","duration_seconds":2.308341,"id":1836695,"input_summary":"chars=427 node=683210","metadata":{"llm_candidates":[{"callsign":"KF4WLQ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF4WLQ","recording_id":175016,"started_at":"2026-07-18T18:36:24.937654+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170322}