feat: 添加 Pinia 插件支持并重构主应用初始化逻辑

src/plugins/pinia/counter.ts

@@ -0,0 +1,22 @@
+import { ref, computed } from 'vue';
+import { defineStore } from 'pinia';
+
+export const useCounterStore = defineStore(
+  'counter',
+  () => {
+    const count = ref(0);
+    const doubleCount = computed(() => count.value * 2);
+    function increment() {
+      count.value++;
+    }
+
+    return { count, doubleCount, increment };
+  },
+  {
+    persist: true,
+  },
+);
+
+if (import.meta.hot) {
+  import.meta.hot.accept(acceptHMRUpdate(useCounterStore, import.meta.hot));
+}

src/plugins/pinia/index.ts

@@ -0,0 +1,7 @@
+import piniaPluginPersistedstate from 'pinia-plugin-persistedstate';
+
+export function setupPinia(app: import('vue').App) {
+  app.use(createPinia().use(piniaPluginPersistedstate));
+}
+
+export * from './counter';