{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T14:33:56.460770+00:00","duration_seconds":0.470203,"id":1794351,"input_summary":"chars=234 node=683210","metadata":{"llm_candidates":[{"callsign":"N6KNE","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=N6KNE","recording_id":172102,"started_at":"2026-07-17T14:33:55.990567+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167685}