- Create ScriptConsoleControl for displaying script output and interactive input
- Create PowerShellConsoleWindow to host the script console
- Wire up ScriptDebugger events to console control for real-time output
- Add debug scripts menu to GameActionBarView (visible when EnableScriptDebugging=true)
- Scripts run via SDK's ScriptClient and stay interactive after completion
- Fix MediaImporter.ExistsAsync to check database record instead of file existence
- Remove Iciclecreek.Avalonia.Terminal dependency, revert Avalonia to 11.2.3
