{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T17:20:51.227031+00:00","duration_seconds":2.78997,"id":1667939,"input_summary":"chars=364 node=683210","metadata":{"llm_candidates":[{"callsign":"W6EK","confidence":0.78},{"callsign":"W6AO","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W6EK,W6AO","recording_id":163729,"started_at":"2026-07-13T17:20:48.437061+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":160382}