{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-26T20:51:25.885250+00:00","duration_seconds":1.040999,"id":549406,"input_summary":"chars=24 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.55}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":79215,"started_at":"2026-06-26T20:51:24.844251+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":79216}