{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T19:20:28.861478+00:00","duration_seconds":0.788667,"id":1574564,"input_summary":"chars=425 node=683210","metadata":{"llm_candidates":[{"callsign":"KW5RGY","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=KW5RGY","recording_id":157369,"started_at":"2026-07-10T19:20:28.072811+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154512}