feat(flows): 新增流程编辑器基础功能与相关组件

feat(backend): 添加流程模型与服务支持
feat(frontend): 实现流程编辑器UI与交互
feat(assets): 添加流程节点图标资源
feat(plugins): 实现上下文菜单和运行时插件
feat(components): 新增基础节点和侧边栏组件
feat(routes): 添加流程相关路由配置
feat(models): 创建流程和运行日志数据模型
feat(services): 实现流程服务层逻辑
feat(migration): 添加流程相关数据库迁移
feat(config): 更新前端配置支持流程编辑器
feat(utils): 增强axios错误处理和工具函数

frontend/vite.config.ts

@@ -11,7 +11,19 @@ export default defineConfig(({ mode }) => {
   const proxyTarget = env.VITE_ADMIN_PROXY_PATH || 'http://127.0.0.1:8080'
 
   return {
-    plugins: [react()],
+    plugins: [
+      react({
+        babel: {
+          plugins: [
+            ['@babel/plugin-proposal-decorators', { legacy: true }],
+            ['babel-plugin-transform-typescript-metadata'],
+            ['@babel/plugin-proposal-class-properties', { loose: true }],
+            ['@babel/plugin-proposal-private-methods', { loose: true }],
+            ['@babel/plugin-proposal-private-property-in-object', { loose: true }]
+          ]
+        }
+      })
+    ],
     server: {
       port,
       open,