{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-18T20:42:26.056948+00:00","duration_seconds":0.536792,"id":1840484,"input_summary":"chars=664 node=SDR9494","metadata":{"llm_candidates":[{"callsign":"WA7WD","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=WA7WD","recording_id":175274,"started_at":"2026-07-18T20:42:25.520156+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170555}