{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T18:47:59.684492+00:00","duration_seconds":1.359354,"id":1273992,"input_summary":"chars=682 node=66296","metadata":{"llm_candidates":[{"callsign":"KK70Z","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK70Z","recording_id":136286,"started_at":"2026-07-01T18:47:58.325138+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":135438}