{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T05:24:12.110249+00:00","duration_seconds":0.955904,"id":594483,"input_summary":"chars=678 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":1.0}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":74985,"started_at":"2026-06-27T05:24:11.154345+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":74986}