Harness Web GUI skin switching plug-in

Key features

• Switching within the settings interface: A new "Skins" page (settings.section) is added to the official settings panel. Installed skins are automatically listed without changing the code.
• Inactive skin → write - id+ disabled: true (DSH official loader patch syntax)
• Hot switch without restartingswitch the managed section (atomic rewrite) written to /.dsh/cordis.patch.yml, the DSH configuration monitor is hot reloaded within seconds, and the page is automatically refreshed to take effect
• One-click restore to default"Restore to default" returns to the official original appearance
• Single management authorityAutomatically disable the skin center (ui-skin-center) that comes with dsh-web-ui to prevent two managers from writing conflicting configurations