fix(admin): 编辑消息/切换会话保护、行内编辑撤销与上传进度反馈

- 编辑旧消息会删除其后全部消息时,先弹确认告知影响范围
- 有待发送附件时切换会话,先确认再丢弃(避免静默删除已上传文件)
- EditableCell 保存成功后提供 6 秒内"撤销"入口(把旧值重新保存),
  重新编辑时自动清除
- 导入向导/重新上传显示上传进度条与百分比,不再"假死"
- AI 附件上传透传进度给附件列表
- 租赁合同上传显示按钮 loading 与上传百分比

apps/admin/src/components/EditableCell/index.tsx

@@ -102,8 +102,18 @@ const EditableCell = <Value,>({
   const [draft, setDraft] = useState<unknown>(() =>
     normalizeEditableValue(formatValue ? formatValue(value) : value, editor),
   );
+  // 保存成功后短暂显示「撤销」入口：记录保存前的序列化旧值
+  const [undoMeta, setUndoMeta] = useState<{ serializedPrevious: unknown } | null>(null);
+  const undoTimerRef = useRef<number | undefined>(undefined);
   const enabled = !disabled && (!permission || hasPermission(permission));
 
+  useEffect(
+    () => () => {
+      window.clearTimeout(undoTimerRef.current);
+    },
+    [],
+  );
+
   const original = useMemo(
     () =>
       serializeEditableValue(
@@ -133,10 +143,15 @@ const EditableCell = <Value,>({
         return true;
       }
       setSaving(true);
+      const previousValue = original;
       try {
         await onSave(parseValue ? parseValue(serialized) : (serialized as Value));
         if (activeCell?.id === idRef.current) activeCell = null;
         setEditing(false);
+        // 提供 6 秒内的撤销入口（把旧值再保存一次）
+        setUndoMeta({ serializedPrevious: previousValue });
+        window.clearTimeout(undoTimerRef.current);
+        undoTimerRef.current = window.setTimeout(() => setUndoMeta(null), 6_000);
         return true;
       } catch (error) {
         message.error(getErrorMessage(error, '保存失败'));
@@ -197,10 +212,29 @@ const EditableCell = <Value,>({
       if (!saved) return;
     }
     activeCell = { id: idRef.current, save };
+    // 重新进入编辑时清掉上一次的撤销入口
+    window.clearTimeout(undoTimerRef.current);
+    setUndoMeta(null);
     setDraft(normalizeEditableValue(formatValue ? formatValue(value) : value, editor));
     setEditing(true);
   };
 
+  const handleUndo = async () => {
+    if (!undoMeta) return;
+    window.clearTimeout(undoTimerRef.current);
+    setUndoMeta(null);
+    try {
+      await onSave(
+        parseValue
+          ? parseValue(undoMeta.serializedPrevious)
+          : (undoMeta.serializedPrevious as Value),
+      );
+      message.success('已撤销修改');
+    } catch (error) {
+      message.error(getErrorMessage(error, '撤销失败'));
+    }
+  };
+
   const onPointerDown = (event: React.PointerEvent<HTMLDivElement>) => {
     if (event.pointerType !== 'touch' || editing) return;
     touchStartRef.current = {
@@ -308,7 +342,23 @@ const EditableCell = <Value,>({
       {editing ? (
         <Spin spinning={saving}>{control}</Spin>
       ) : (
-        <Tooltip title={enabled ? '双击编辑，触屏双击编辑' : undefined}>{children}</Tooltip>
+        <Tooltip title={enabled ? '双击编辑，触屏双击编辑' : undefined}>
+          <span className="editable-cell-display">
+            {children}
+            {undoMeta ? (
+              <button
+                type="button"
+                className="editable-cell-undo"
+                onClick={(event) => {
+                  event.stopPropagation();
+                  void handleUndo();
+                }}
+              >
+                撤销
+              </button>
+            ) : null}
+          </span>
+        </Tooltip>
       )}
     </div>
   );