{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T21:42:51.025224+00:00","duration_seconds":0.711766,"id":862676,"input_summary":"chars=2470 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KF7ADV","confidence":0.78},{"callsign":"AC5WFH","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KF7ADV,AC5WFH","recording_id":44866,"started_at":"2026-06-27T21:42:50.313458+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":44867}