{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T20:23:57.073936+00:00","duration_seconds":2.478611,"id":1277448,"input_summary":"chars=581 node=683210","metadata":{"llm_candidates":[{"callsign":"ZY1LOV","confidence":0.78},{"callsign":"Y1MS","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=ZY1LOV,Y1MS","recording_id":136552,"started_at":"2026-07-01T20:23:54.595325+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":135690}