:bug: 折叠标题移动到下方后触发状态异常并导致数据丢失 https://github.com/siyuan-note/siyuan/issues/7163

kernel/model/transaction.go

@@ -310,6 +310,14 @@ func (tx *Transaction) doMove(operation *Operation) (ret *TxErr) {
 				targetNode = targetChildren[l-1]
 			}
 		}
+
+		for _, headingChild := range headingChildren {
+			if headingChild.ID == targetNode.ID {
+				// 不能将折叠标题移动到自己下方节点的前或后 https://github.com/siyuan-note/siyuan/issues/7163
+				return
+			}
+		}
+
 		for i := len(headingChildren) - 1; -1 < i; i-- {
 			c := headingChildren[i]
 			targetNode.InsertAfter(c)
@@ -352,6 +360,13 @@ func (tx *Transaction) doMove(operation *Operation) (ret *TxErr) {
 		return &TxErr{code: TxErrCodeBlockNotFound, id: targetParentID}
 	}
 
+	for _, headingChild := range headingChildren {
+		if headingChild.ID == targetNode.ID {
+			// 不能将折叠标题移动到自己下方节点的前或后 https://github.com/siyuan-note/siyuan/issues/7163
+			return
+		}
+	}
+
 	processed := false
 	if ast.NodeSuperBlock == targetNode.Type {
 		// 在布局节点后插入