{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T02:23:48.794361+00:00","duration_seconds":0.968645,"id":1452945,"input_summary":"chars=375 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"W7K","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=W7K","recording_id":148960,"started_at":"2026-07-07T02:23:47.825716+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146913}