{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T02:52:13.333002+00:00","duration_seconds":0.591538,"id":1489949,"input_summary":"chars=313 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"T7H","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=T7H","recording_id":151579,"started_at":"2026-07-08T02:52:12.741464+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149260}