chore: 去除主题切换/设置，永久为light

apps/web-antd/src/layouts/auth.vue

@@ -50,7 +50,7 @@ const { isDark } = usePreferences();
       class="absolute right-2 top-4 z-20 flex items-center gap-1 rounded-3xl bg-accent px-3 py-1 lg:right-6 lg:top-6"
     >
       <LanguageToggle v-if="preferences.widget.languageToggle" />
-      <ThemeToggle v-if="preferences.widget.themeToggle" />
+      <!-- <ThemeToggle v-if="preferences.widget.themeToggle" /> -->
     </div>
 
     <!-- 内容区域 -->

apps/web-antd/src/preferences.ts

@@ -22,4 +22,8 @@ export const overridesPreferences = defineOverridesPreferences({
     companyName: import.meta.env.VITE_APP_TITLE,
     companySiteLink: 'https://www.vs-cushwake.com/',
   },
+  theme: {
+    /** 主题模式：'light' 为浅色模式，'dark' 为深色模式，'auto' 为跟随系统 */
+    mode: 'light',
+  },
 });