{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T13:31:51.427283+00:00","duration_seconds":7.639942,"id":1657443,"input_summary":"chars=579 node=683210","metadata":{"llm_candidates":[{"callsign":"K7GND","confidence":0.78},{"callsign":"N2UOG","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=K7GND,N2UOG","recording_id":162951,"started_at":"2026-07-13T13:31:43.787341+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":159690}