{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T20:20:26.610365+00:00","duration_seconds":0.888037,"id":1576945,"input_summary":"chars=790 node=683211","metadata":{"llm_candidates":[{"callsign":"VD7ADV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=VD7ADV","recording_id":157527,"started_at":"2026-07-10T20:20:25.722328+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154668}