{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T20:23:24.124542+00:00","duration_seconds":3.886027,"id":1577048,"input_summary":"chars=951 node=683211","metadata":{"llm_candidates":[{"callsign":"KC1VQA","confidence":0.78},{"callsign":"VC1VQA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC1VQA,VC1VQA","recording_id":157536,"started_at":"2026-07-10T20:23:20.238515+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154676}