0.1.06文件树的选择问题及思维导图删除问题

wolai-frontend/src/components/editor/menus/CustomSlashMenu.tsx

@@ -7,7 +7,7 @@ import {
   getDefaultReactSlashMenuItems,
   type DefaultReactSuggestionItem,
 } from "@blocknote/react";
-import { filterSuggestionItems, type BlockNoteEditor } from "@blocknote/core";
+import { filterSuggestionItems, type Block, type BlockNoteEditor } from "@blocknote/core";
 import { useRouter } from "next/navigation";
 import {
   FileImage,
@@ -171,6 +171,34 @@ export const CustomSlashMenu = ({ editor, currentDocumentId }: Props) => {
         aliases: ["mindmap", "swdt", "导图"],
         icon: <Spline className="h-4 w-4 text-[#2563eb]" />,
         onItemClick: () => {
+          // mindmap.json / /api/mindmap/:docId 是“按页面（documentId）维度”存储的，
+          // 同一页面插入多个导图会共享同一份数据，用户会感知为“重复/镜像”。
+          // 这里先限制一页只允许一个导图块，避免产生歧义。
+          const blocks = editor.topLevelBlocks as Block<CustomBlockSchema>[];
+          let existingMindmapId: string | null = null;
+          const walk = (target: Block<CustomBlockSchema>[]) => {
+            target.forEach((b) => {
+              if (existingMindmapId) return;
+              if (b.type === "mindmap") {
+                existingMindmapId = b.id;
+                return;
+              }
+              if (Array.isArray(b.children) && b.children.length > 0) {
+                walk(b.children as Block<CustomBlockSchema>[]);
+              }
+            });
+          };
+          walk(blocks);
+          if (existingMindmapId) {
+            try {
+              const el = document.querySelector<HTMLElement>(`[data-id="${existingMindmapId}"]`);
+              el?.scrollIntoView?.({ behavior: "smooth", block: "center" });
+            } catch {
+              // ignore
+            }
+            window.alert("当前页面已存在思维导图，暂不支持插入多个。");
+            return;
+          }
           editor.insertBlocks(
             [
               {