{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-07T02:22:50.256737+00:00","duration_seconds":1.631043,"id":1452876,"input_summary":"chars=418 node=66296","metadata":{"llm_candidates":[{"callsign":"K7NO","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=K7NO","recording_id":148953,"started_at":"2026-07-07T02:22:48.625694+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":146906}