{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T12:12:42.409250+00:00","duration_seconds":3.275153,"id":1497681,"input_summary":"chars=543 node=683210","metadata":{"llm_candidates":[{"callsign":"KV3KJN","confidence":0.78},{"callsign":"W2RBC","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KV3KJN,W2RBC","recording_id":152102,"started_at":"2026-07-08T12:12:39.134097+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149726}