refactor: store 目录扁平化重构为 stores（Pinia 推荐结构）

src/components/DictSelect/index.vue

@@ -42,7 +42,7 @@
 </template>
 
 <script setup lang="ts">
-import { useDictStore } from "@/store";
+import { useDictStore } from "@/stores";
 
 const dictStore = useDictStore();