{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-28T21:07:18.197815+00:00","duration_seconds":0.88139,"id":1067659,"input_summary":"chars=574 node=oldsys","metadata":{"llm_candidates":[{"callsign":"AA4H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AA4H","recording_id":18466,"started_at":"2026-06-28T21:07:17.316425+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":18467}