{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T04:55:02.492116+00:00","duration_seconds":2.628874,"id":1128962,"input_summary":"chars=922 node=oldsys","metadata":{"llm_candidates":[{"callsign":"M8EMS","confidence":0.78},{"callsign":"K4HM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=M8EMS,K4HM","recording_id":12150,"started_at":"2026-06-29T04:54:59.863242+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":12151}