{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T02:29:11.247500+00:00","duration_seconds":0.791313,"id":1776617,"input_summary":"chars=759 node=683210","metadata":{"llm_candidates":[{"callsign":"K7ADV","confidence":0.78},{"callsign":"JT7D","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=K7ADV,JT7D","recording_id":170883,"started_at":"2026-07-17T02:29:10.456187+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":166589}