{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T16:01:39.580921+00:00","duration_seconds":2.35702,"id":1296925,"input_summary":"chars=688 node=683210","metadata":{"llm_candidates":[{"callsign":"KC3TBC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KC3TBC","recording_id":138102,"started_at":"2026-07-02T16:01:37.223901+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136981}