{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T21:35:38.389381+00:00","duration_seconds":0.809509,"id":1072028,"input_summary":"chars=1121 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78},{"callsign":"VE2VBR","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=KF7ADV,VE2VBR","recording_id":18010,"started_at":"2026-06-28T21:35:37.579872+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":18011}