{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T05:53:22.380398+00:00","duration_seconds":2.246235,"id":1824849,"input_summary":"chars=139 node=683211","metadata":{"llm_candidates":[{"callsign":"KC5WFH","confidence":0.78},{"callsign":"KG7WOI","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC5WFH,KG7WOI","recording_id":174177,"started_at":"2026-07-18T05:53:20.134163+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":169604}