{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T11:42:10.311578+00:00","duration_seconds":3.457761,"id":1496842,"input_summary":"chars=542 node=683210","metadata":{"llm_candidates":[{"callsign":"KC3UUK","confidence":0.78},{"callsign":"W2AJV","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC3UUK,W2AJV","recording_id":152032,"started_at":"2026-07-08T11:42:06.853817+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149656}