{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T14:40:31.490684+00:00","duration_seconds":1.865224,"id":1013916,"input_summary":"chars=1126 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KN4LBF","confidence":0.78},{"callsign":"KM1X","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KN4LBF,KM1X","recording_id":24046,"started_at":"2026-06-28T14:40:29.625460+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":24047}