{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-30T20:09:50.772335+00:00","duration_seconds":3.472331,"id":2974579,"input_summary":"chars=21 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"K7C","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K7C","recording_id":281867,"started_at":"2026-08-30T20:09:47.300004+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":266184}