fix(i18n): complete Simplified Chinese core and plugin translations (#1542)

* fix(i18n): complete Chinese onboarding and navigation labels

* fix(i18n): translate remaining Chinese core and plugin interfaces

* fix(i18n): translate host editor tab overflow controls

* fix(i18n): use consistent Chinese fleet terminology

* fix(i18n): localize hardcoded controls and plugin views

* fix(i18n): translate built-in homepage widget catalog

* test(homepage): follow translated timezone placeholder

* fix(i18n): translate plugin-provided homepage widgets

* fix(i18n): localize feature settings section titles

src/ui/components/dialog.tsx

@@ -1,3 +1,4 @@
+import { useTranslation } from "react-i18next";
 import * as React from "react";
 import { Dialog as DialogPrimitive } from "radix-ui";
 
@@ -53,6 +54,8 @@ function DialogContent({
 }: React.ComponentProps<typeof DialogPrimitive.Content> & {
   showCloseButton?: boolean;
 }) {
+  const { t } = useTranslation();
+
   return (
     <DialogPortal>
       <DialogOverlay />
@@ -73,7 +76,7 @@ function DialogContent({
               size="icon-sm"
             >
               <XIcon />
-              <span className="sr-only">Close</span>
+              <span className="sr-only">{t("common.close")}</span>
             </Button>
           </DialogPrimitive.Close>
         )}
@@ -100,6 +103,8 @@ function DialogFooter({
 }: React.ComponentProps<"div"> & {
   showCloseButton?: boolean;
 }) {
+  const { t } = useTranslation();
+
   return (
     <div
       data-slot="dialog-footer"
@@ -112,7 +117,7 @@ function DialogFooter({
       {children}
       {showCloseButton && (
         <DialogPrimitive.Close asChild>
-          <Button variant="outline">Close</Button>
+          <Button variant="outline">{t("common.close")}</Button>
         </DialogPrimitive.Close>
       )}
     </div>