{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T15:22:55.591336+00:00","duration_seconds":4.889323,"id":1599768,"input_summary":"chars=594 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KJ7ALM","confidence":0.78},{"callsign":"AK7H","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KJ7ALM,AK7H","recording_id":159071,"started_at":"2026-07-11T15:22:50.702013+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156076}