feat: 添加注册开关功能，优化系统配置与注册接口

server/api/admin/system-config.get.ts

@@ -7,27 +7,31 @@
 // - 此接口不返回任何用户数据
 
 import { setResponseStatus } from "h3";
-import { getSysConfig, maskApiKey } from "~~/server/utils/sysConfig";
+
 import { apiErr, apiOk } from "~~/server/utils/response";
+import { getSysConfig, maskApiKey } from "~~/server/utils/sysConfig";
 import type { ISystemConfigResponse } from "~~/shared/types/settings";
 
-export default defineEventHandler(async (event): Promise<ISystemConfigResponse> => {
-  // 二次校验：必须是 superadmin 才能访问系统配置
-  const role = (event.context.auth?.user as { role?: string } | undefined)
-    ?.role;
-  if (role !== "superadmin") {
-    setResponseStatus(event, 403);
-    return apiErr(403, "权限不足") as ISystemConfigResponse;
+export default defineEventHandler(
+  async (event): Promise<ISystemConfigResponse> => {
+    // 二次校验：必须是 superadmin 才能访问系统配置
+    const role = (event.context.auth?.user as { role?: string } | undefined)
+      ?.role;
+    if (role !== "superadmin") {
+      setResponseStatus(event, 403);
+      return apiErr(403, "权限不足") as unknown as ISystemConfigResponse;
+    }
+
+    const cfg = await getSysConfig();
+
+    return apiOk({
+      openAiApiBase: cfg.openAiApiBase,
+      openAiApiKeyPreview: maskApiKey(cfg.openAiApiKey),
+      openAiModel: cfg.openAiModel,
+      maxTokens: cfg.maxTokens,
+      temperature: cfg.temperature,
+      maxSseLineBytes: cfg.maxSseLineBytes,
+      allowRegistration: cfg.allowRegistration
+    });
   }
-
-  const cfg = await getSysConfig();
-
-  return apiOk({
-    openAiApiBase: cfg.openAiApiBase,
-    openAiApiKeyPreview: maskApiKey(cfg.openAiApiKey),
-    openAiModel: cfg.openAiModel,
-    maxTokens: cfg.maxTokens,
-    temperature: cfg.temperature,
-    maxSseLineBytes: cfg.maxSseLineBytes
-  });
-});
+);