Change project category from AI to Infrastructure

Author: sjh26

PW45_2026_Boston/Projects/InteractiveWorkflowReplayAndStepBackNavigationForSlicerAgent/README.md

@@ -4,7 +4,7 @@ layout: pw45-project
 permalink: /:path/
 
 project_title: Interactive Workflow Replay and Step-Back Navigation for Slicer Agent
-category: AI
+category: Infrastructure
 presenter_location: 
 
 key_investigators: