{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T14:51:23.318545+00:00","duration_seconds":1.200365,"id":1503652,"input_summary":"chars=858 node=683211","metadata":{"llm_candidates":[{"callsign":"AB7DW","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AB7DW","recording_id":152538,"started_at":"2026-07-08T14:51:22.118180+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":150094}