{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-27T21:42:49.608940+00:00","duration_seconds":0.652417,"id":862672,"input_summary":"chars=31 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KC2STO","confidence":0.78},{"callsign":"KX2CW","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KC2STO,KX2CW","recording_id":44870,"started_at":"2026-06-27T21:42:48.956523+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":44871}