{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T07:23:41.030011+00:00","duration_seconds":0.941277,"id":941756,"input_summary":"chars=1128 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KM7AYD","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KM7AYD","recording_id":37617,"started_at":"2026-06-28T07:23:40.088734+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":37618}