{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T01:03:53.428352+00:00","duration_seconds":0.61997,"id":891903,"input_summary":"chars=120 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KM0Q","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KM0Q","recording_id":42839,"started_at":"2026-06-28T01:03:52.808382+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":42840}