{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T04:27:43.420420+00:00","duration_seconds":0.516461,"id":918604,"input_summary":"chars=1034 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC5WFH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KC5WFH","recording_id":40424,"started_at":"2026-06-28T04:27:42.903959+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":40425}