{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T04:27:43.248696+00:00","duration_seconds":0.4775,"id":1125672,"input_summary":"chars=469 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KR4FGP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KR4FGP","recording_id":18284,"started_at":"2026-06-29T04:27:42.771196+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":18285}