{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T01:03:19.605765+00:00","duration_seconds":0.539564,"id":891833,"input_summary":"chars=1321 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ7EXM","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KJ7EXM","recording_id":42847,"started_at":"2026-06-28T01:03:19.066201+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":42848}