{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-23T18:54:38.594511+00:00","duration_seconds":6.07461,"id":2801763,"input_summary":"chars=353 node=683211","metadata":{"llm_candidates":[{"callsign":"KB2FA","confidence":0.78},{"callsign":"V5RY","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB2FA,V5RY","recording_id":263356,"started_at":"2026-08-23T18:54:32.519901+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":249598}