feat: 更新用户信息组件，添加复制图标并优化用户 UID 显示样式

src/views/user/components/user-info.vue

@@ -1,5 +1,5 @@
 <script lang='ts' setup>
-import { chevronForwardOutline, qrCodeOutline } from "ionicons/icons";
+import { chevronForwardOutline, copyOutline, qrCodeOutline } from "ionicons/icons";
 
 const { user } = useAuth();
 </script>
@@ -15,7 +15,7 @@ const { user } = useAuth();
           {{ user?.email }}
         </div>
         <div class="user-uid">
-          uid: xxxxxxxx
+          uid: xxxxxxxx <ion-icon :icon="copyOutline" />
         </div>
       </div>
     </div>
@@ -45,6 +45,9 @@ const { user } = useAuth();
 .user-uid {
   color: var(--ion-text-secondary);
   font-size: 0.9em;
+  display: flex;
+  align-items: end;
+  gap: 4px;
 }
 .link {
   display: flex;