{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T21:43:13.134024+00:00","duration_seconds":1.911708,"id":862718,"input_summary":"chars=1017 node=oldsys","metadata":{"llm_candidates":[{"callsign":"N3NTV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=N3NTV","recording_id":44830,"started_at":"2026-06-27T21:43:11.222316+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":44831}