feat: 添加暗色模式支持，重构用户数据加载逻辑

src/plugins/pinia/index.ts

@@ -1,7 +1,9 @@
+import { PiniaColada } from '@pinia/colada';
 import piniaPluginPersistedstate from 'pinia-plugin-persistedstate';
 
 export function setupPinia(app: import('vue').App) {
   app.use(createPinia().use(piniaPluginPersistedstate));
+  app.use(PiniaColada, {});
 }
 
 export * from './counter';