{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T20:48:35.531945+00:00","duration_seconds":2.122405,"id":1307500,"input_summary":"chars=703 node=66296","metadata":{"llm_candidates":[{"callsign":"WA7AD","confidence":0.78},{"callsign":"KG7W","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=WA7AD,KG7W","recording_id":138852,"started_at":"2026-07-02T20:48:33.409540+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137701}