DeleteFriend 一次删掉两条好友边,消息仍留在会话里。 Co-authored-by: Cursor <cursoragent@cursor.com>
一方关注只记关注。双方互关时写入已有双向好友边;取消关注若不再互关只删好友边,不删消息。 Co-authored-by: Cursor <cursoragent@cursor.com>