{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T12:47:08.581718+00:00","duration_seconds":2.408377,"id":1695149,"input_summary":"chars=737 node=683210","metadata":{"llm_candidates":[{"callsign":"K9TBD","confidence":0.78},{"callsign":"W2BLT","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K9TBD,W2BLT","recording_id":165491,"started_at":"2026-07-14T12:47:06.173341+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":162015}