{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-27T04:29:54.760142+00:00","duration_seconds":2.080604,"id":2886281,"input_summary":"chars=665 node=683211","metadata":{"llm_candidates":[{"callsign":"AX2CW","confidence":0.78},{"callsign":"KM7A","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=AX2CW,KM7A","recording_id":272521,"started_at":"2026-08-27T04:29:52.679538+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":257832}