{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T12:52:51.522517+00:00","duration_seconds":11.026837,"id":1560590,"input_summary":"chars=538 node=683210","metadata":{"llm_candidates":[{"callsign":"AB4KET","confidence":0.78},{"callsign":"AB4KT","confidence":0.78},{"callsign":"NW3U","confidence":0.78}]},"output_summary":"ai_candidates=3 merged=3 calls=AB4KET,AB4KT,NW3U","recording_id":156358,"started_at":"2026-07-10T12:52:40.495680+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":153617}