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

plugins/opkssh/locales/en.json

@@ -28,5 +28,8 @@
   },
   "hosts": {
     "filterAuthOpkssh": "OPKSSH"
+  },
+  "plugin": {
+    "name": "OPKSSH"
   }
 }

plugins/opkssh/locales/translated/zh_CN.json

@@ -18,15 +18,18 @@
   },
   "settings": {
     "redirectUri": {
-      "label": "Redirect URI",
-      "description": "Register this URL as an allowed redirect URI with every identity provider in your OPKSSH config."
+      "label": "重定向 URI",
+      "description": "在 OPKSSH 配置中的每个身份提供商处，将此 URL 登记为允许的重定向 URI。"
     },
     "legacyCallback": {
-      "label": "Use the old redirect URI",
-      "description": "Keep sending /host/opkssh-callback, the redirect URI used before 2.9. Turn this off once your identity providers allow the new one."
+      "label": "使用旧版重定向 URI",
+      "description": "继续发送 2.9 之前使用的重定向 URI /host/opkssh-callback。当身份提供商允许新 URI 后，可关闭此选项。"
     }
   },
   "hosts": {
     "filterAuthOpkssh": "OPKSSH"
+  },
+  "plugin": {
+    "name": "OPKSSH"
   }
 }