refactor(data): move dto and schemas out of services directory

src/data/schemas/auth/facebook_login_request.ts

@@ -0,0 +1,14 @@
+/**
+ * Facebook 登录请求
+ * 原始 Dart: FacebookLoginRequest (lib/data/models/auth/auth_request.dart)
+ */
+import { z } from "zod";
+
+export const FacebookLoginRequestSchema = z.object({
+  accessToken: z.string(),
+  platform: z.string(),
+  guestId: z.string().default(""),
+});
+
+export type FacebookLoginRequestInput = z.input<typeof FacebookLoginRequestSchema>;
+export type FacebookLoginRequestData = z.output<typeof FacebookLoginRequestSchema>;