{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T12:42:43.664502+00:00","duration_seconds":0.489508,"id":995700,"input_summary":"chars=334 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KM7CEN","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KM7CEN","recording_id":31517,"started_at":"2026-06-28T12:42:43.174994+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":31518}