{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T11:47:39.590563+00:00","duration_seconds":0.530867,"id":1736411,"input_summary":"chars=75 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AG7WT","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=AG7WT","recording_id":168023,"started_at":"2026-07-16T11:47:39.059696+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":163988}