refactor(types): 将类型定义移动到独立的types模块

将原本分散在多个文件中的TreeNode和Template类型定义集中到src/types模块中，并更新所有相关引用
修改tsconfig配置以包含新的types目录
优化IPCs中模板处理逻辑，改进文件复制和路径处理

src/renderer/screens/TemplateListScreen.vue

@@ -89,8 +89,8 @@
 <script setup lang="ts">
 import { ref, computed, onMounted } from 'vue'
 import { useRouter } from 'vue-router'
-import { useTemplateStore, TreeNode } from '@/renderer/store/template'
-import { Template } from '@/renderer/store/template'
+import { useTemplateStore } from '@/renderer/store/template'
+import { TreeNode, Template } from '@/types'
 import TemplateTree from '@/renderer/components/TemplateTree.vue'
 import TemplateCard from '@/renderer/components/TemplateCard.vue'
 import { ConfirmDialogService } from '@/renderer/utils/confirm-dialog-service'