{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-14T12:08:59.310799+00:00","duration_seconds":3.922175,"id":1693942,"input_summary":"chars=523 node=683210","metadata":{"llm_candidates":[{"callsign":"KB1KP","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=KB1KP","recording_id":165413,"started_at":"2026-07-14T12:08:55.388624+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":161937}