{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T02:01:18.710360+00:00","duration_seconds":0.589641,"id":899018,"input_summary":"chars=2140 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KB8BNY","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=4 calls=KB8BNY","recording_id":41853,"started_at":"2026-06-28T02:01:18.120719+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":41854}