fix: improve per-user MSI installer component tracking

- Change File KeyPath to "no" and use registry value as KeyPath instead
- Add registry entry for better component state tracking
- Enhance uninstall cleanup to remove LocalAppData files and folders

src-tauri/wix/per-user-main.wxs

@@ -145,7 +145,8 @@
                 {{/each~}}
             </Component>
             <Component Id="Path" Guid="{{path_component_guid}}" Win64="$(var.Win64)">
-                <File Id="Path" Source="{{main_binary_path}}" KeyPath="yes" Checksum="yes"/>
+                <File Id="Path" Source="{{main_binary_path}}" KeyPath="no" Checksum="yes"/>
+                <RegistryValue Root="HKCU" Key="Software\{{manufacturer}}\{{product_name}}" Name="PathComponent" Type="integer" Value="1" KeyPath="yes" />
                 {{#each file_associations as |association| ~}}
                 {{#each association.ext as |ext| ~}}
                 <ProgId Id="{{../../product_name}}.{{ext}}" Advertise="yes" Description="{{association.description}}">
@@ -181,6 +182,9 @@
 						  Target="[System64Folder]msiexec.exe"
 						  Arguments="/x [ProductCode]" />
 
+                <RemoveFile Id="RemoveUserProgramsFiles" Directory="TauriLocalAppDataPrograms" Name="*" On="uninstall" />
+                <RemoveFolder Id="RemoveUserProgramsFolder" Directory="TauriLocalAppDataPrograms" On="uninstall" />
+
 				<RemoveFolder Id="INSTALLDIR"
 							  On="uninstall" />