{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T18:14:15.561788+00:00","duration_seconds":2.313489,"id":1043570,"input_summary":"chars=528 node=683211","metadata":{"llm_candidates":[{"callsign":"V2XJS","confidence":0.78},{"callsign":"A5AKM","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=V2XJS,A5AKM","recording_id":129100,"started_at":"2026-06-28T18:14:13.248299+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":128939}