{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T22:19:33.858647+00:00","duration_seconds":4.61281,"id":1812727,"input_summary":"chars=536 node=683210","metadata":{"llm_candidates":[{"callsign":"K2HA","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=K2HA","recording_id":173366,"started_at":"2026-07-17T22:19:29.245837+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":168874}