{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T23:16:03.283383+00:00","duration_seconds":2.374389,"id":1842414,"input_summary":"chars=750 node=66296","metadata":{"llm_candidates":[{"callsign":"TJ7RAD","confidence":0.78},{"callsign":"KB8BNY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=TJ7RAD,KB8BNY","recording_id":175400,"started_at":"2026-07-18T23:16:00.908994+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170653}