{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T20:42:14.244449+00:00","duration_seconds":2.340819,"id":404881,"input_summary":"chars=359 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KF7SPA","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7SPA","recording_id":94020,"started_at":"2026-06-25T20:42:11.903630+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":94021}