{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-10T19:22:04.758325+00:00","duration_seconds":0.485643,"id":1574650,"input_summary":"chars=805 node=683210","metadata":{"llm_candidates":[{"callsign":"K7PKL","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=4 calls=K7PKL","recording_id":157378,"started_at":"2026-07-10T19:22:04.272682+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":154521}