🧹 清理重复配置文件

- 删除根目录中重复的 NestJS 配置文件
- 删除 tsconfig.json, tsconfig.build.json, eslint.config.mjs, .prettierrc
- 保留 wwjcloud-nest/ 目录中的完整配置
- 避免配置冲突，确保项目结构清晰

admin-vben/packages/effects/layouts/src/widgets/theme-toggle/theme-toggle.vue

@@ -0,0 +1,83 @@
+<script lang="ts" setup>
+import type { ThemeModeType } from '@vben/types';
+
+import { MoonStar, Sun, SunMoon } from '@vben/icons';
+import { $t } from '@vben/locales';
+import {
+  preferences,
+  updatePreferences,
+  usePreferences,
+} from '@vben/preferences';
+
+import {
+  ToggleGroup,
+  ToggleGroupItem,
+  VbenTooltip,
+} from '@vben-core/shadcn-ui';
+
+import ThemeButton from './theme-button.vue';
+
+defineOptions({
+  name: 'ThemeToggle',
+});
+
+withDefaults(defineProps<{ shouldOnHover?: boolean }>(), {
+  shouldOnHover: false,
+});
+
+function handleChange(isDark: boolean | undefined) {
+  updatePreferences({
+    theme: { mode: isDark ? 'dark' : 'light' },
+  });
+}
+
+const { isDark } = usePreferences();
+
+const PRESETS = [
+  {
+    icon: Sun,
+    name: 'light',
+    title: $t('preferences.theme.light'),
+  },
+  {
+    icon: MoonStar,
+    name: 'dark',
+    title: $t('preferences.theme.dark'),
+  },
+  {
+    icon: SunMoon,
+    name: 'auto',
+    title: $t('preferences.followSystem'),
+  },
+];
+</script>
+<template>
+  <div>
+    <VbenTooltip :disabled="!shouldOnHover" side="bottom">
+      <template #trigger>
+        <ThemeButton
+          :model-value="isDark"
+          type="icon"
+          @update:model-value="handleChange"
+        />
+      </template>
+      <ToggleGroup
+        :model-value="preferences.theme.mode"
+        class="gap-2"
+        type="single"
+        variant="outline"
+        @update:model-value="
+          (val) => updatePreferences({ theme: { mode: val as ThemeModeType } })
+        "
+      >
+        <ToggleGroupItem
+          v-for="item in PRESETS"
+          :key="item.name"
+          :value="item.name"
+        >
+          <component :is="item.icon" class="size-5" />
+        </ToggleGroupItem>
+      </ToggleGroup>
+    </VbenTooltip>
+  </div>
+</template>