Add WixUIExtension for enhanced installation UI in WindowsBuilder

- Included WixUIExtension in candle and light commands to enable UI features.
- Added references for minimal and error progress UI dialogs in the WiX XML configuration.

build/scripts/build_windows.py

@@ -248,6 +248,7 @@ class WindowsBuilder:
         # Run candle compiler - make sure to use correct source directory
         candle_cmd = [
             str(candle_exe),
+            "-ext", "WixUIExtension",
             f"-dDistDir={self.dist_dir}",
             f"-dSourceDir={self.dist_dir}\\WebDropBridge",  # Set SourceDir for Heat-generated files
             "-o", str(self.build_dir) + "\\",
@@ -266,6 +267,7 @@ class WindowsBuilder:
         # Link MSI - include both obj files if harvest was successful
         light_cmd = [
             str(light_exe),
+            "-ext", "WixUIExtension",
             "-b", str(self.dist_dir / "WebDropBridge"),  # Base path for source files
             "-o", str(msi_output),
             str(wix_obj),
@@ -306,6 +308,10 @@ class WindowsBuilder:
         <Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" Platform="x64" />
         <Media Id="1" Cabinet="WebDropBridge.cab" EmbedCab="yes" />
 
+        <!-- Installation UI dialogs -->
+        <UIRef Id="WixUI_Minimal" />
+        <UIRef Id="WixUI_ErrorProgressText" />
+
         <Feature Id="ProductFeature" Title="WebDrop Bridge" Level="1">
             <ComponentGroupRef Id="AppFiles" />
             <ComponentRef Id="ProgramMenuShortcut" />