{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T05:54:15.096892+00:00","duration_seconds":0.927829,"id":928854,"input_summary":"chars=2303 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KT7JOE","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KT7JOE","recording_id":39468,"started_at":"2026-06-28T05:54:14.169063+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":39469}