{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T16:51:29.067701+00:00","duration_seconds":1.825229,"id":1834209,"input_summary":"chars=861 node=66296","metadata":{"llm_candidates":[{"callsign":"K7PDZ","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7PDZ","recording_id":174844,"started_at":"2026-07-18T16:51:27.242472+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170170}