{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T16:33:13.331672+00:00","duration_seconds":0.509137,"id":1704582,"input_summary":"chars=279 node=683211","metadata":{"llm_candidates":[{"callsign":"KF7AZV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KF7AZV","recording_id":166189,"started_at":"2026-07-14T16:33:12.822535+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":162640}