refactor: 重构 API 层目录结构 & 样式模块化拆分

- API 层按业务域拆分（api/auth/, api/file/, api/system/*）
- 类型定义从 types/api/ 移入对应 api 模块内（就近原则）
- 公共类型统一为 api/common.ts，移除冗余类型重导出
- 样式文件按职责拆分（base/, layout/, vendors/），移除 common.scss
- 移除失效的单元测试文件

src/api/codegen/index.ts

@@ -0,0 +1,105 @@
+import request from "@/utils/request";
+import type { GeneratorPreviewItem, TableQueryParams, TableItem, GenConfigForm } from "./types";
+
+const GENERATOR_BASE_URL = "/api/v1/codegen";
+
+const GeneratorAPI = {
+  /** 获取数据表分页列表 */
+  getTablePage(params: TableQueryParams) {
+    return request<any, PageResult<TableItem>>({
+      url: `${GENERATOR_BASE_URL}/table`,
+      method: "get",
+      params,
+    });
+  },
+
+  /** 获取代码生成配置 */
+  getGenConfig(tableName: string) {
+    return request<any, GenConfigForm>({
+      url: `${GENERATOR_BASE_URL}/${tableName}/config`,
+      method: "get",
+    });
+  },
+
+  /** 获取代码生成配置 */
+  saveGenConfig(tableName: string, data: GenConfigForm) {
+    return request({
+      url: `${GENERATOR_BASE_URL}/${tableName}/config`,
+      method: "post",
+      data,
+    });
+  },
+
+  /** 获取代码生成预览数据 */
+  getPreviewData(tableName: string, pageType?: "classic" | "curd", type?: "ts" | "js") {
+    const params: Record<string, string> = {};
+    if (pageType) {
+      params.pageType = pageType;
+    }
+    if (type) {
+      params.type = type;
+    }
+    return request<any, GeneratorPreviewItem[]>({
+      url: `${GENERATOR_BASE_URL}/${tableName}/preview`,
+      method: "get",
+      params: Object.keys(params).length ? params : undefined,
+    });
+  },
+
+  /** 重置代码生成配置 */
+  resetGenConfig(tableName: string) {
+    return request({
+      url: `${GENERATOR_BASE_URL}/${tableName}/config`,
+      method: "delete",
+    });
+  },
+
+  /**
+   * 下载 ZIP 文件
+   * @param url
+   * @param fileName
+   */
+  download(tableName: string, pageType?: "classic" | "curd", type?: "ts" | "js") {
+    const params: Record<string, string> = {};
+    if (pageType) {
+      params.pageType = pageType;
+    }
+    if (type) {
+      params.type = type;
+    }
+    return request({
+      url: `${GENERATOR_BASE_URL}/${tableName}/download`,
+      method: "get",
+      params: Object.keys(params).length ? params : undefined,
+      responseType: "blob",
+    }).then((response) => {
+      const contentDisposition = response?.headers?.["content-disposition"] as string | undefined;
+      let fileName = `${tableName}.zip`;
+      if (contentDisposition) {
+        // content-disposition: attachment; filename=xxx.zip
+        const match = /filename\*?=(?:UTF-8''|")?([^;"]+)/i.exec(contentDisposition);
+        if (match?.[1]) {
+          try {
+            fileName = decodeURIComponent(match[1]);
+          } catch {
+            fileName = match[1];
+          }
+        }
+      }
+
+      const blob = new Blob([response.data], { type: "application/zip" });
+      const a = document.createElement("a");
+      const url = window.URL.createObjectURL(blob);
+      a.href = url;
+      a.download = fileName;
+
+      a.click();
+      window.URL.revokeObjectURL(url);
+    });
+  },
+};
+
+export default GeneratorAPI;
+
+// 重导出类型
+export * from "./types";