fix(gui): follow-ups for the feature-owned settings surfaces

The ui-layout apply bench provides a real LocaleService before the
theme plugin boots (ui-theme now injects slots/locale to register its
Appearance row); drop locale's unused clsx dependency.

pnpm-lock.yaml

@@ -747,10 +747,6 @@ importers:
         version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@vendor+loader)
 
   packages/client/locale:
-    dependencies:
-      clsx:
-        specifier: ^2.0.0
-        version: 2.1.1
     devDependencies:
       '@deepseek-ai/dsh-client-runtime':
         specifier: workspace:^
@@ -859,6 +855,9 @@ importers:
 
   packages/client/ui-layout:
     devDependencies:
+      '@deepseek-ai/dsh-client-locale':
+        specifier: workspace:^
+        version: link:../locale
       '@deepseek-ai/dsh-client-runtime':
         specifier: workspace:^
         version: link:../runtime