0.1.09思维导图复制粘贴bug

wolai-frontend/src/components/editor/blocks/MindmapBlock.tsx

@@ -19,7 +19,6 @@ import type {
   PropSchema,
   SpecificBlock,
 } from "@blocknote/core";
-import { useDebouncedCallback } from "@/hooks/use-debounced-callback";
 import type { CustomBlockSchema } from "../schema";
 import { MindmapToolbar } from "./MindmapToolbar";
 import { MindmapSidebar } from "./MindmapSidebar";
@@ -270,7 +269,16 @@ const ensureActiveBefore = (mindmap?: MindMapInstance | null) => {
     if (fallback) {
       // 主动维护激活列表，避免首次插入子节点时因无激活节点导致插入位置错误
       // 先确保根节点居中，避免后续插入节点跑到 (0,0)
-      if (renderer?.setRootNodeCenter) renderer.setRootNodeCenter();
+      // 注意：setRootNodeCenter 内部依赖 renderer.root（而不是 renderTree._node）。
+      // 在“刚初始化/刚插入第二张导图”的窗口期里 renderer.root 可能仍是 null，
+      // 此时调用会触发内部解构异常，导致快捷键/工具栏命令中断。
+      if (renderer?.root && renderer?.setRootNodeCenter) {
+        try {
+          renderer.setRootNodeCenter();
+        } catch {
+          // ignore
+        }
+      }
       mm.view?.fit?.();
       if (renderer?.clearActiveNodeList) renderer.clearActiveNodeList();
       if (renderer?.addNodeToActiveList) renderer.addNodeToActiveList(fallback, true);
@@ -317,6 +325,9 @@ const MindmapBlockView = ({
   const effectiveFullscreen = fullscreen || localFullscreen;
   const wrapperRef = useRef<HTMLDivElement | null>(null);
   const hotkeyScopeRef = useRef(false);
+  const lastInteractionAtRef = useRef(0);
+  const skipNextPasteRef = useRef(false);
+  const persistDataRef = useRef<((data: unknown) => void) | null>(null);
   const recentNodeDblclickRef = useRef(false);
   const [fullscreenApiActive, setFullscreenApiActive] = useState(false);  
   const deletingRef = useRef(false);
@@ -399,8 +410,44 @@ const MindmapBlockView = ({
     const onPointerDownCapture = (e: Event) => {
       const wrapper = wrapperRef.current;
       if (!wrapper) return;
-      const target = e.target as Node | null;
+      const targetNode = e.target as Node | null;
-      hotkeyScopeRef.current = !!(target && wrapper.contains(target));
+      const inWrapper = !!(targetNode && wrapper.contains(targetNode));
+      hotkeyScopeRef.current = inWrapper;
+      lastInteractionAtRef.current = inWrapper ? Date.now() : 0;
+
+      // 关键：simple-mind-map 的画布/节点有时会 stopPropagation，导致外层 onPointerDown
+      // 不触发，从而无法把焦点从 BlockNote 编辑器移到思维导图块上，最终表现为 Enter/Tab
+      // 等快捷键不生效。
+      // 这里用 capture 阶段兜底：只要点击发生在 wrapper 内，就把焦点拉到 wrapper 上。
+      if (!inWrapper) return;
+
+      const target = (targetNode as HTMLElement | null) ?? null;
+      if (target) {
+        const tag = target.tagName;
+        if (tag === "INPUT" || tag === "TEXTAREA") return;
+        // 节点文本编辑中不抢焦点，避免影响输入/粘贴（仅判断 simple-mind-map 的节点编辑元素）
+        const mm = mindmapRef.current;
+        const editClasses = mm?.editNodeClassList;
+        if (editClasses) {
+          for (const cls of editClasses) {
+            if (!cls) continue;
+            if (target.classList?.contains(cls)) return;
+            const found = target.closest?.(`.${cls}`);
+            if (found) return;
+          }
+        }
+
+      }
+
+      // 这里用 setTimeout(0) 而不是 microtask：BlockNote/ProseMirror 可能会在同一轮事件里重新抢回焦点，
+      // 导致“选中节点后 Ctrl+V 把思维导图替换成纯文本”。延后一拍把焦点拉回 wrapper，保证快捷键/粘贴作用域稳定。
+      window.setTimeout(() => {
+        try {
+          wrapperRef.current?.focus?.({ preventScroll: true });
+        } catch {
+          // ignore
+        }
+      }, 0);
     };
     document.addEventListener("pointerdown", onPointerDownCapture, true);       
     document.addEventListener("mousedown", onPointerDownCapture, true);
@@ -410,6 +457,57 @@ const MindmapBlockView = ({
     };
   }, []);
 
+  // 关键：阻止鼠标事件冒泡到 BlockNote/ProseMirror（它们会在 contenteditable 上处理 mousedown，从而产生 NodeSelection）。
+  // 不能用 React 的 onMouseDown（事件委托在 document，太晚了），必须用原生监听挂在 wrapper 上，确保在 bubble 链路中先于 editor DOM。
+  useEffect(() => {
+    const wrapper = wrapperRef.current;
+    if (!wrapper) return;
+
+    const stopBubble = (e: Event) => {
+      const target = e.target as HTMLElement | null;
+      if (!target) return;
+      // 节点文本编辑态 / 输入框：允许事件继续冒泡，避免影响输入法/选择/粘贴
+      const tag = target.tagName;
+      if (tag === "INPUT" || tag === "TEXTAREA") return;
+      const mm = mindmapRef.current;
+      const editClasses = mm?.editNodeClassList;
+      if (editClasses) {
+        for (const cls of editClasses) {
+          if (!cls) continue;
+          if (target.classList?.contains(cls)) return;
+          const found = target.closest?.(`.${cls}`);
+          if (found) return;
+        }
+      }
+
+      // 只要在思维导图块内点击，就阻止冒泡到 editor，避免“Ctrl+V 替换整块”
+      e.stopPropagation();
+      hotkeyScopeRef.current = true;
+      lastInteractionAtRef.current = Date.now();
+
+      // 同步/异步都尝试一次，把焦点拉到 wrapper，保证快捷键稳定
+      try {
+        wrapperRef.current?.focus?.({ preventScroll: true });
+      } catch {
+        // ignore
+      }
+      window.setTimeout(() => {
+        try {
+          wrapperRef.current?.focus?.({ preventScroll: true });
+        } catch {
+          // ignore
+        }
+      }, 0);
+    };
+
+    wrapper.addEventListener("mousedown", stopBubble);
+    wrapper.addEventListener("pointerdown", stopBubble);
+    return () => {
+      wrapper.removeEventListener("mousedown", stopBubble);
+      wrapper.removeEventListener("pointerdown", stopBubble);
+    };
+  }, [effectiveFullscreen]);
+
   // 标记“节点双击”事件，避免和“画布双击进入全屏”产生冲突
   useEffect(() => {
     if (!mindmap) return;
@@ -519,7 +617,11 @@ const MindmapBlockView = ({
   // 让 Enter/Tab/复制/粘贴在“思维导图块”内生效（避免 BlockNote 抢走快捷键）
   useLayoutEffect(() => {
     const onKeyDownCapture = (e: KeyboardEvent) => {
-      if (!hotkeyScopeRef.current) return;
+      const inScope =
+        hotkeyScopeRef.current ||
+        (lastInteractionAtRef.current > 0 &&
+          Date.now() - lastInteractionAtRef.current < 60_000);
+      if (!inScope) return;
       const mm = mindmapRef.current;
       if (!mm || !mindmapReadyRef.current) return;
 
@@ -527,19 +629,22 @@ const MindmapBlockView = ({
       const editClasses = mm.editNodeClassList;
       const wrapper = wrapperRef.current;
       const isInWrapper = Boolean(wrapper && target && wrapper.contains(target));
-      if (target && isInWrapper) {
+      const isNodeTextEditing = (() => {
+        if (!target || !isInWrapper) return false;
         const tag = target.tagName;
-        if (tag === "INPUT" || tag === "TEXTAREA") return;
+        if (tag === "INPUT" || tag === "TEXTAREA") return true;
-        // contenteditable 输入中不拦截：避免破坏节点文本编辑/粘贴
+        // 仅在 simple-mind-map 的“节点文本编辑元素”上判定为编辑态；不要用 isContentEditable 泛化判断，
-        if (target.isContentEditable) return;
+        // 否则会把库内部的隐藏输入层误判成编辑态，导致 Ctrl+C/Ctrl+V 失效。
-        const editableAncestor = target.closest?.('[contenteditable="true"]');
+        if (editClasses) {
-        if (editableAncestor) return;
-        if (editClasses && target.classList) {
           for (const cls of editClasses) {
-            if (cls && target.classList.contains(cls)) return;
+            if (!cls) continue;
+            if (target.classList?.contains(cls)) return true;
+            const found = target.closest?.(`.${cls}`);
+            if (found) return true;
           }
         }
-      }
+        return false;
+      })();
 
       const isMod = e.ctrlKey || e.metaKey;
       const key = e.key;
@@ -566,6 +671,16 @@ const MindmapBlockView = ({
         if (!node) return;
         inst.execCommand?.("SET_NODE_ACTIVE", node, true);
         inst.execCommand?.("INSERT_NODE", false, [node]);
+        // 兜底：某些情况下 INSERT_NODE 不触发 data_change（例如被外层捕获键盘
+        // 事件拦截导致内部 Keyboard 插件不走），这里主动做一次防抖保存，确保
+        // 切换全屏/刷新后不会丢失。
+        hasLocalEditsRef.current = true;
+        try {
+          const snapshot = inst.getData?.(true) ?? inst.getData?.() ?? null;    
+          if (snapshot) persistDataRef.current?.(snapshot);
+        } catch {
+          // ignore
+        }
         return;
       }
 
@@ -577,18 +692,39 @@ const MindmapBlockView = ({
         if (!node) return;
         inst.execCommand?.("SET_NODE_ACTIVE", node, true);
         inst.execCommand?.("INSERT_CHILD_NODE", false, [node]);
+        hasLocalEditsRef.current = true;
+        try {
+          const snapshot = inst.getData?.(true) ?? inst.getData?.() ?? null;    
+          if (snapshot) persistDataRef.current?.(snapshot);
+        } catch {
+          // ignore
+        }
         return;
       }
 
+      // 节点文本编辑中：只接管 Enter/Tab；其余快捷键交给默认输入行为
+      //（例如 Ctrl+C/Ctrl+V 作为文本复制粘贴）。
+      if (isNodeTextEditing) return;
+
       if (isMod && lower === "c") {
         stop();
         const inst = ensureActiveBefore(mm);
         if (!inst) return;
+        const node = pickTargetNode(inst);
+        if (node) {
+          inst.execCommand?.("SET_NODE_ACTIVE", node, true);
+        }
         inst.renderer.copy?.();
         return;
       }
 
       if (isMod && lower === "v") {
+        // 兜底：某些场景下（尤其是嵌入编辑器时）浏览器仍会触发原生 paste 事件。
+        // 这里标记一次，避免我们在 paste capture 里重复执行粘贴逻辑。
+        skipNextPasteRef.current = true;
+        window.setTimeout(() => {
+          skipNextPasteRef.current = false;
+        }, 200);
         stop();
         const inst = ensureActiveBefore(mm);
         if (!inst) return;
@@ -596,9 +732,23 @@ const MindmapBlockView = ({
         const copyData = renderer.beingCopyData ?? null;
         if (copyData) {
           inst.execCommand?.("PASTE_NODE", copyData);
+          hasLocalEditsRef.current = true;
+          try {
+            const snapshot = inst.getData?.(true) ?? inst.getData?.() ?? null;  
+            if (snapshot) persistDataRef.current?.(snapshot);
+          } catch {
+            // ignore
+          }
           return;
         }
         renderer.paste?.();
+        hasLocalEditsRef.current = true;
+        try {
+          const snapshot = inst.getData?.(true) ?? inst.getData?.() ?? null;    
+          if (snapshot) persistDataRef.current?.(snapshot);
+        } catch {
+          // ignore
+        }
       }
     };
 
@@ -608,6 +758,209 @@ const MindmapBlockView = ({
     };
   }, []);
 
+  // 兜底：在非全屏嵌入 BlockNote 时，Ctrl+V 可能仍然触发编辑器的 paste，导致思维导图块被替换成纯文本。
+  // 这里在 capture 阶段拦截 paste：当“最近一次指针交互在思维导图块内”且当前不在节点文本编辑态时，
+  // 强制把粘贴交给 simple-mind-map，并阻止 BlockNote 继续处理。
+  useLayoutEffect(() => {
+    const onPasteCapture = (e: ClipboardEvent) => {
+      const inScope =
+        hotkeyScopeRef.current ||
+        (lastInteractionAtRef.current > 0 &&
+          Date.now() - lastInteractionAtRef.current < 60_000);
+      if (!inScope) return;
+      const mm = mindmapRef.current;
+      if (!mm || !mindmapReadyRef.current) return;
+
+      const wrapper = wrapperRef.current;
+      const active = (typeof document !== "undefined"
+        ? (document.activeElement as HTMLElement | null)
+        : null);
+
+      const isTextEditingNow = (() => {
+        if (!wrapper || !active) return false;
+        if (!wrapper.contains(active)) return false;
+        const tag = active.tagName;
+        if (tag === "INPUT" || tag === "TEXTAREA") return true;
+        const editClasses = mm.editNodeClassList;
+        if (editClasses) {
+          for (const cls of editClasses) {
+            if (!cls) continue;
+            if (active.classList?.contains(cls)) return true;
+            const found = active.closest?.(`.${cls}`);
+            if (found) return true;
+          }
+        }
+        return false;
+      })();
+
+      // 节点文本编辑态：允许默认粘贴（粘贴到节点文本）
+      if (isTextEditingNow) return;
+
+      e.preventDefault();
+      e.stopPropagation();
+      e.stopImmediatePropagation?.();
+
+      // 如果刚刚已经在 keydown 里处理过 Ctrl+V，这里只负责阻止 BlockNote 的 paste
+      if (skipNextPasteRef.current) {
+        skipNextPasteRef.current = false;
+        return;
+      }
+
+      const inst = ensureActiveBefore(mm);
+      if (!inst) return;
+
+      // 优先交给 simple-mind-map 自己的 clipboard 逻辑：支持外部文本/图片/链接以及内部节点复制格式
+      try {
+        inst.renderer.paste?.();
+      } catch {
+        // ignore
+      }
+
+      // 兜底持久化：避免快速切换视图导致“看起来没保存”
+      hasLocalEditsRef.current = true;
+      try {
+        const snapshot = inst.getData?.(true) ?? inst.getData?.() ?? null;      
+        if (snapshot) persistDataRef.current?.(snapshot);
+      } catch {
+        // ignore
+      }
+    };
+
+    window.addEventListener("paste", onPasteCapture, true);
+    return () => {
+      window.removeEventListener("paste", onPasteCapture, true);
+    };
+  }, []);
+
+  // 兜底：Ctrl+C 可能被 BlockNote/ProseMirror 先行拦截，导致我们 keydown 捕获不到。
+  // 这里直接在 copy 事件的 capture 阶段接管，确保“选中节点 -> Ctrl+C”一定能复制节点数据。
+  useLayoutEffect(() => {
+    const onCopyCapture = (e: ClipboardEvent) => {
+      const inScope =
+        hotkeyScopeRef.current ||
+        (lastInteractionAtRef.current > 0 &&
+          Date.now() - lastInteractionAtRef.current < 60_000);
+      if (!inScope) return;
+
+      const mm = mindmapRef.current;
+      if (!mm || !mindmapReadyRef.current) return;
+
+      const wrapper = wrapperRef.current;
+      const active = (typeof document !== "undefined"
+        ? (document.activeElement as HTMLElement | null)
+        : null);
+      const isTextEditingNow = (() => {
+        if (!wrapper || !active) return false;
+        if (!wrapper.contains(active)) return false;
+        const tag = active.tagName;
+        if (tag === "INPUT" || tag === "TEXTAREA") return true;
+        const editClasses = mm.editNodeClassList;
+        if (editClasses) {
+          for (const cls of editClasses) {
+            if (!cls) continue;
+            if (active.classList?.contains(cls)) return true;
+            const found = active.closest?.(`.${cls}`);
+            if (found) return true;
+          }
+        }
+        return false;
+      })();
+      if (isTextEditingNow) return;
+
+      e.preventDefault();
+      e.stopPropagation();
+      e.stopImmediatePropagation?.();
+
+      const inst = ensureActiveBefore(mm);
+      if (!inst) return;
+      const renderer = inst.renderer;
+      const node =
+        renderer.activeNodeList?.[0] ??
+        renderer.lastActiveNodeList?.[0] ??
+        renderer.root ??
+        renderer.renderTree?._node ??
+        null;
+      if (node) inst.execCommand?.("SET_NODE_ACTIVE", node, true);
+      try {
+        inst.renderer.copy?.();
+      } catch {
+        // ignore
+      }
+    };
+
+    window.addEventListener("copy", onCopyCapture, true);
+    return () => {
+      window.removeEventListener("copy", onCopyCapture, true);
+    };
+  }, []);
+
+  // 额外兜底：部分浏览器/编辑器会优先通过 beforeinput(insertFromPaste) 走粘贴路径，
+  // 即便我们拦截了 paste，也可能仍触发“替换掉思维导图块”的输入。
+  // 这里在 capture 阶段统一阻止 paste 相关的 beforeinput，并把实际粘贴交给 simple-mind-map。
+  useLayoutEffect(() => {
+    const onBeforeInputCapture = (e: InputEvent) => {
+      const inputType = (e as unknown as { inputType?: string }).inputType || "";
+      if (!inputType || !inputType.toLowerCase().includes("paste")) return;
+
+      const inScope =
+        hotkeyScopeRef.current ||
+        (lastInteractionAtRef.current > 0 &&
+          Date.now() - lastInteractionAtRef.current < 60_000);
+      if (!inScope) return;
+
+      const mm = mindmapRef.current;
+      if (!mm || !mindmapReadyRef.current) return;
+
+      // 节点文本编辑态：允许默认粘贴（粘贴到节点文本）
+      const wrapper = wrapperRef.current;
+      const active = (typeof document !== "undefined"
+        ? (document.activeElement as HTMLElement | null)
+        : null);
+      const isTextEditingNow = (() => {
+        if (!wrapper || !active) return false;
+        if (!wrapper.contains(active)) return false;
+        const tag = active.tagName;
+        if (tag === "INPUT" || tag === "TEXTAREA") return true;
+        const editClasses = mm.editNodeClassList;
+        if (editClasses) {
+          for (const cls of editClasses) {
+            if (!cls) continue;
+            if (active.classList?.contains(cls)) return true;
+            const found = active.closest?.(`.${cls}`);
+            if (found) return true;
+          }
+        }
+        return false;
+      })();
+      if (isTextEditingNow) return;
+
+      e.preventDefault();
+      e.stopPropagation();
+      e.stopImmediatePropagation?.();
+
+      const inst = ensureActiveBefore(mm);
+      if (!inst) return;
+      try {
+        inst.renderer.paste?.();
+      } catch {
+        // ignore
+      }
+
+      hasLocalEditsRef.current = true;
+      try {
+        const snapshot = inst.getData?.(true) ?? inst.getData?.() ?? null;
+        if (snapshot) persistDataRef.current?.(snapshot);
+      } catch {
+        // ignore
+      }
+    };
+
+    window.addEventListener("beforeinput", onBeforeInputCapture, true);
+    return () => {
+      window.removeEventListener("beforeinput", onBeforeInputCapture, true);
+    };
+  }, []);
+
   const persistData = useCallback(
     (data: unknown) => {
       if (!editor) return;
@@ -641,10 +994,45 @@ const MindmapBlockView = ({
     },
     [autosaveKey, block, docId, editor, mindmapId],
   );
+  useEffect(() => {
+    persistDataRef.current = persistData;
+  }, [persistData]);
 
-  const debouncedPersist = useDebouncedCallback((data: unknown) => {
+  // “有上限的防抖保存”：连续 data_change 只会合并为一次保存，但不会因为持续变化
-    persistData(data);
+  // 而无限期推迟（避免测试/用户快速切换全屏时出现“看起来没保存”）。
-  }, 800);
+  const persistTimerRef = useRef<number | null>(null);
+  const pendingPersistRef = useRef<unknown | null>(null);
+  const schedulePersist = useCallback(
+    (data: unknown) => {
+      pendingPersistRef.current = data;
+      if (typeof window === "undefined") return;
+      if (persistTimerRef.current != null) return;
+      persistTimerRef.current = window.setTimeout(() => {
+        persistTimerRef.current = null;
+        const pending = pendingPersistRef.current;
+        pendingPersistRef.current = null;
+        if (pending) persistData(pending);
+      }, 800);
+    },
+    [persistData],
+  );
+  useEffect(() => {
+    return () => {
+      if (persistTimerRef.current != null && typeof window !== "undefined") {
+        window.clearTimeout(persistTimerRef.current);
+        persistTimerRef.current = null;
+      }
+      const pending = pendingPersistRef.current;
+      pendingPersistRef.current = null;
+      if (pending) {
+        try {
+          persistData(pending);
+        } catch {
+          // ignore
+        }
+      }
+    };
+  }, [persistData]);
 
   const initialSyncDone = useRef(false);
   useEffect(() => {
@@ -955,6 +1343,55 @@ const MindmapBlockView = ({
         hostEl.appendChild(measureDiv);
       }
       instance.setMode?.("edit");
+
+      // 兜底：在某些环境/焦点状态下，simple-mind-map 的 data_change 事件可能不会触发，
+      // 或者键盘插件直接执行命令但未走到我们的保存逻辑，最终表现为“节点能插入但不会持久化”。
+      // 这里对 execCommand 做轻量包装：当执行潜在的“结构变更”命令时，主动触发一次防抖保存。
+      const shouldPersistAfterCommand = (cmd: unknown) => {
+        if (typeof cmd !== "string") return false;
+        if (
+          cmd === "INSERT_NODE" ||
+          cmd === "INSERT_CHILD_NODE" ||
+          cmd === "PASTE_NODE" ||
+          cmd === "REMOVE_NODE" ||
+          cmd === "DELETE_NODE"
+        ) {
+          return true;
+        }
+        return (
+          cmd.startsWith("INSERT_") ||
+          cmd.startsWith("PASTE_") ||
+          cmd.startsWith("REMOVE_") ||
+          cmd.startsWith("DELETE_")
+        );
+      };
+      const originalExecCommand =
+        typeof instance.execCommand === "function"
+          ? instance.execCommand.bind(instance)
+          : null;
+      if (originalExecCommand) {
+        (instance as unknown as { execCommand: (...args: any[]) => any }).execCommand = (
+          cmd: unknown,
+          ...args: any[]
+        ) => {
+          const ret = originalExecCommand(cmd as any, ...args);
+          if (
+            !applyingRemoteRef.current &&
+            !deletingRef.current &&
+            shouldPersistAfterCommand(cmd)
+          ) {
+            hasLocalEditsRef.current = true;
+            try {
+              const snapshot =
+                instance.getData?.(true) ?? instance.getData?.() ?? null;
+              if (snapshot) persistDataRef.current?.(snapshot);
+            } catch {
+              // ignore
+            }
+          }
+          return ret;
+        };
+      }
     const centerAndFit = (retry = 0) => {
         try {
           const hostRect = hostEl.getBoundingClientRect?.();
@@ -1030,6 +1467,17 @@ const MindmapBlockView = ({
       instance.on?.("node_active", (_node: unknown, list: unknown[]) => {
         if (!list || list.length === 0) return;
         setActiveNodes((list || []) as MindMapNode[]);
+        // 兜底：部分场景下点击节点不会触发外层 pointerdown（被 stopPropagation），
+        // 这里用内部事件标记“当前在思维导图作用域内”，确保 Ctrl+C/Ctrl+V 不会被 BlockNote 抢走。
+        hotkeyScopeRef.current = true;
+        lastInteractionAtRef.current = Date.now();
+        window.setTimeout(() => {
+          try {
+            wrapperRef.current?.focus?.({ preventScroll: true });
+          } catch {
+            // ignore
+          }
+        }, 0);
       });
       instance.on?.("node_click", (node: unknown) => {
         // 确保点击即可激活（调用节点自身的 active 逻辑，保持和官方一致）       
@@ -1049,6 +1497,15 @@ const MindmapBlockView = ({
             ? [node as MindMapNode]
             : (list as MindMapNode[]),
         );
+        hotkeyScopeRef.current = true;
+        lastInteractionAtRef.current = Date.now();
+        window.setTimeout(() => {
+          try {
+            wrapperRef.current?.focus?.({ preventScroll: true });
+          } catch {
+            // ignore
+          }
+        }, 0);
       });
       instance.on?.("painter_start", () => setPainterMode(true));
       instance.on?.("painter_end", () => setPainterMode(false));
@@ -1061,7 +1518,7 @@ const MindmapBlockView = ({
         // 这里统一改为从实例读取快照，确保保存/恢复的数据结构稳定。
         const snapshot =
           instance.getData?.(true) ?? instance.getData?.() ?? null;       
-        if (snapshot) debouncedPersist(snapshot);
+        if (snapshot) schedulePersist(snapshot);
       });
       const renderer = instance.renderer;
       const rootNode = getRootNode(instance);
@@ -1540,7 +1997,7 @@ const MindmapBlockView = ({
         const data = JSON.parse(text);
         mindmap?.setData(data);
         mindmap?.command.clearHistory();
-        debouncedPersist(data);
+        persistData(data);
         return;
       }
 
@@ -1557,7 +2014,7 @@ const MindmapBlockView = ({
         });
         mindmap?.setData(data);
         mindmap?.command.clearHistory();
-        debouncedPersist(data);
+        persistData(data);
         return;
       }
 
@@ -1567,7 +2024,7 @@ const MindmapBlockView = ({
         const data = await parseMindManagerMmapFile(file);
         mindmap?.setData(data);
         mindmap?.command.clearHistory();
-        debouncedPersist(data);
+        persistData(data);
         return;
       }
 
@@ -1583,7 +2040,7 @@ const MindmapBlockView = ({
         }
         mindmap?.setData(data);
         mindmap?.command.clearHistory();
-        debouncedPersist(data);
+        persistData(data);
         return;
       }
 
@@ -1600,7 +2057,7 @@ const MindmapBlockView = ({
     if (!window.confirm("确定要新建空白导图吗？当前未保存的修改将被覆盖。")) return;
     mindmap?.setData(defaultMindmapData);
     mindmap?.command.clearHistory();
-    debouncedPersist(defaultMindmapData);
+    persistData(defaultMindmapData);
   };
 
   const handleOpenDirectory = () => {
@@ -2012,8 +2469,11 @@ const MindmapBlockView = ({
       <div
         data-testid="mindmap-stage"
         className="relative h-[520px] w-full overflow-hidden bg-white"
-        onPointerDown={() => {
+        onPointerDown={(e) => {
+          // 阻止事件冒泡到 BlockNote/ProseMirror，避免产生 NodeSelection 导致粘贴替换整块
+          e.stopPropagation();
           hotkeyScopeRef.current = true;
+          lastInteractionAtRef.current = Date.now();
           // 点击后把焦点落到容器上，避免快捷键被编辑器抢走
           try {
             wrapperRef.current?.focus?.({ preventScroll: true });
@@ -2021,8 +2481,10 @@ const MindmapBlockView = ({
             // ignore
           }
         }}
-        onMouseDown={() => {
+        onMouseDown={(e) => {
+          e.stopPropagation();
           hotkeyScopeRef.current = true;
+          lastInteractionAtRef.current = Date.now();
           // 兼容：某些环境下 pointer 事件不触发
           try {
             wrapperRef.current?.focus?.({ preventScroll: true });