{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T01:03:15.482724+00:00","duration_seconds":0.499605,"id":891811,"input_summary":"chars=77 node=oldsys","metadata":{"llm_candidates":[{"callsign":"KJ5JBB","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KJ5JBB","recording_id":42976,"started_at":"2026-06-28T01:03:14.983119+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":42977}