{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T19:44:17.138567+00:00","duration_seconds":1.816446,"id":1838754,"input_summary":"chars=805 node=683211","metadata":{"llm_candidates":[{"callsign":"K9BDC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K9BDC","recording_id":175161,"started_at":"2026-07-18T19:44:15.322121+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170454}