{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T19:44:24.342947+00:00","duration_seconds":1.883321,"id":1838770,"input_summary":"chars=654 node=683211","metadata":{"llm_candidates":[{"callsign":"KJ7RAB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KJ7RAB","recording_id":175165,"started_at":"2026-07-18T19:44:22.459626+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170458}