{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T06:22:34.669839+00:00","duration_seconds":4.914695,"id":600227,"input_summary":"chars=428 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ5IRQ","confidence":1.0},{"callsign":"N0BF","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ5IRQ,N0BF","recording_id":74413,"started_at":"2026-06-27T06:22:29.755144+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74414}