fix(curd): 修正关联表 onlyFields 键名拼写错误

- CurdBase 注释解析只识别 onlyFields（正确拼写），不再支持历史错误拼写 onlyFileds
- BuildCurdServiceBase 内部局部变量 onlyShowFileds 改为 onlyShowFields（按位置传参，外部 API 不变）
- 同步文档（ulthon-database-design 已删除，ulthon-scheme-definition 技能已使用正确拼写）

extend/base/admin/service/curd/BuildCurdServiceBase.php

@@ -385,12 +385,12 @@ class BuildCurdServiceBase
      * @param $foreignKey
      * @param null $primaryKey
      * @param null $modelFilename
-     * @param array $onlyShowFileds
+     * @param array $onlyShowFields
      * @param null $bindSelectField
      * @return $this
      * @throws TableException
      */
-    public function setRelation($relationTable, $foreignKey, $primaryKey = null, $modelFilename = null, $onlyShowFileds = [], $bindSelectField = null)
+    public function setRelation($relationTable, $foreignKey, $primaryKey = null, $modelFilename = null, $onlyShowFields = [], $bindSelectField = null)
     {
         // 自动检测并处理关联表前缀（与 setTable 保持一致）
         $relationTable = $this->stripTablePrefix($relationTable);
@@ -455,7 +455,7 @@ class BuildCurdServiceBase
             throw new TableException("关联表{$relationTable}未找到主键字段");
         }
 
-        $formatColums = $schemeService->getColumnsForCurd($schemeClass, $onlyShowFileds);
+        $formatColums = $schemeService->getColumnsForCurd($schemeClass, $onlyShowFields);
         $delete = isset($allColumns['delete_time']);
 
         foreach ($formatColums as $field => $colum) {