{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T16:53:56.959632+00:00","duration_seconds":2.511523,"id":1604122,"input_summary":"chars=452 node=66296","metadata":{"llm_candidates":[{"callsign":"W27H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W27H","recording_id":159426,"started_at":"2026-07-11T16:53:54.448109+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":156384}