feat: add theme-aware logo support via optional sourceDark configuration (#6866)

* Initial plan

* Initial exploration and setup

Co-authored-by: aonoa <32682251+aonoa@users.noreply.github.com>

* Add support for separate light and dark theme logos

Co-authored-by: aonoa <32682251+aonoa@users.noreply.github.com>

* Update documentation with dark theme logo configuration

Co-authored-by: aonoa <32682251+aonoa@users.noreply.github.com>

* feat: Add theme-aware logo support for authentication/login page

Co-authored-by: aonoa <32682251+aonoa@users.noreply.github.com>

* revert: .npmrc

Signed-off-by: aonoa <1991849113@qq.com>

---------

Signed-off-by: aonoa <1991849113@qq.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: aonoa <32682251+aonoa@users.noreply.github.com>
Co-authored-by: Li Kui <90845831+likui628@users.noreply.github.com>
Co-authored-by: aonoa <1991849113@qq.com>

packages/@core/ui-kit/shadcn-ui/src/components/logo/logo.vue

@@ -1,4 +1,6 @@
 <script setup lang="ts">
+import { computed } from 'vue';
+
 import { VbenAvatar } from '../avatar';
 
 interface Props {
@@ -22,6 +24,10 @@ interface Props {
    * @zh_CN Logo 图标
    */
   src?: string;
+  /**
+   * @zh_CN 暗色主题 Logo 图标 (可选，若不设置则使用 src)
+   */
+  srcDark?: string;
   /**
    * @zh_CN Logo 文本
    */
@@ -36,14 +42,27 @@ defineOptions({
   name: 'VbenLogo',
 });
 
-withDefaults(defineProps<Props>(), {
+const props = withDefaults(defineProps<Props>(), {
   collapsed: false,
   href: 'javascript:void 0',
   logoSize: 32,
   src: '',
+  srcDark: '',
   theme: 'light',
   fit: 'cover',
 });
+
+/**
+ * @zh_CN 根据主题选择合适的 logo 图标
+ */
+const logoSrc = computed(() => {
+  // 如果是暗色主题且提供了 srcDark，则使用暗色主题的 logo
+  if (props.theme === 'dark' && props.srcDark) {
+    return props.srcDark;
+  }
+  // 否则使用默认的 src
+  return props.src;
+});
 </script>
 
 <template>
@@ -54,9 +73,9 @@ withDefaults(defineProps<Props>(), {
       class="flex h-full items-center gap-2 overflow-hidden px-3 text-lg leading-normal transition-all duration-500"
     >
       <VbenAvatar
-        v-if="src"
+        v-if="logoSrc"
         :alt="text"
-        :src="src"
+        :src="logoSrc"
         :size="logoSize"
         :fit="fit"
         class="relative rounded-none bg-transparent"