{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T16:12:44.132856+00:00","duration_seconds":1.715739,"id":751479,"input_summary":"chars=410 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KK7NQN","confidence":0.9}]},"output_summary":"ai_candidates=1 merged=1 calls=KK7NQN","recording_id":56653,"started_at":"2026-06-27T16:12:42.417117+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":56654}