{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T21:27:40.450071+00:00","duration_seconds":0.474936,"id":1308657,"input_summary":"chars=756 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"NT7E","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=NT7E","recording_id":138906,"started_at":"2026-07-02T21:27:39.975135+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137752}