{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-08-23T06:26:47.980948+00:00","duration_seconds":2.375081,"id":2793052,"input_summary":"chars=71 node=683211","metadata":{"llm_candidates":[{"callsign":"K9BST","confidence":0.78},{"callsign":"K7WRD","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K9BST,K7WRD","recording_id":262449,"started_at":"2026-08-23T06:26:45.605867+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":248741}