增强AI插件

Plugins/WPSConfigSystem.py

@@ -247,6 +247,20 @@ class WPSConfigAPI(WPSAPI):
         row = cursor.fetchone()
         return int(row["user_id"]) if row else None
 
+    def get_all_usernames(self) -> List[Dict[str, Any]]:
+        """获取所有已设置用户名的用户列表
+        
+        Returns:
+            包含 user_id 和 username 的字典列表
+            示例: [{"user_id": 123, "username": "张三"}, ...]
+        """
+        cursor = get_db().conn.cursor()
+        cursor.execute(
+            "SELECT user_id, username FROM user_info WHERE username != '' AND username IS NOT NULL ORDER BY user_id ASC"
+        )
+        rows = cursor.fetchall()
+        return [{"user_id": row["user_id"], "username": row["username"]} for row in rows]
+
     def get_user_url(self, user_id: int) -> Optional[str]:
         record = self._get_user_record(user_id)
         if not record: