{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-29T08:23:01.531061+00:00","duration_seconds":0.478887,"id":1158794,"input_summary":"chars=130 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KM4QBC","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KM4QBC","recording_id":14459,"started_at":"2026-06-29T08:23:01.052174+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":14460}