{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T21:41:19.216775+00:00","duration_seconds":0.612794,"id":1841623,"input_summary":"chars=332 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"AG7WTM","confidence":0.78},{"callsign":"N0O","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=AG7WTM,N0O","recording_id":175344,"started_at":"2026-07-18T21:41:18.603981+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170604}