feat(flowEditor): 增强快捷键处理逻辑

src/pages/flowEditor/FlowEditorMain.tsx

@@ -231,6 +231,29 @@ const FlowEditorMain: React.FC<FlowEditorMainProps> = (props) => {
       // 兼容 Mac (metaKey) 和 Windows/Linux (ctrlKey)
       const isModifierKey = e.ctrlKey || e.metaKey;
 
+      // 检查事件目标是否在可编辑元素中（input、textarea、contenteditable、CodeMirror等）
+      const target = e.target as HTMLElement;
+      const isEditableElement =
+        target instanceof HTMLInputElement ||
+        target instanceof HTMLTextAreaElement ||
+        target?.getAttribute('contenteditable') === 'true' ||
+        target?.closest('[contenteditable="true"]') !== null ||
+        target?.closest('.cm-content') !== null || // CodeMirror 编辑器
+        target?.closest('.cm-editor') !== null ||
+        target?.closest('.arco-input') !== null || // Arco Design 输入框
+        target?.closest('.arco-textarea') !== null;
+
+      // 检查是否有打开的弹出层（Modal、Drawer、Popover等），如果有则不拦截快捷键
+      const hasOpenPopup =
+        document.querySelector('.arco-modal-wrapper') !== null ||
+        document.querySelector('.arco-drawer-wrapper') !== null ||
+        document.querySelector('.arco-popover-popup') !== null;
+
+      // 如果在可编辑元素中或有打开的弹出层，不拦截复制粘贴快捷键，让浏览器处理
+      if (isEditableElement || hasOpenPopup) {
+        return;
+      }
+
       // Ctrl/Cmd+Z 撤销
       if (isModifierKey && e.key === 'z' && !e.shiftKey && canUndo) {
         e.preventDefault();