{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-11T02:16:53.654456+00:00","duration_seconds":1.136386,"id":1589101,"input_summary":"chars=646 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"KK7A","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK7A","recording_id":158309,"started_at":"2026-07-11T02:16:52.518070+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":155416}