feat(auth): add Messenger topup handoff entry

src/data/repositories/auth_repository.ts

@@ -3,18 +3,17 @@ import type { IAuthRepository } from "@/data/repositories/interfaces";
 import {
   FacebookIdentityRequestSchema,
   FacebookLoginRequestSchema,
-  FacebookPsidLoginRequestSchema,
   FbIdLoginRequestSchema,
   GoogleLoginRequestSchema,
   GuestLoginRequestSchema,
   GuestLoginResponse,
   LoginRequestSchema,
   LoginResponse,
-  LoginResponseSchema,
   LoginStatus,
   RefreshTokenRequestSchema,
   RefreshTokenResponse,
   RegisterRequestSchema,
+  TopUpHandoffRequestSchema,
   type LoginStatus as LoginStatusT,
 } from "@/data/schemas/auth";
 import { User } from "@/data/schemas/user";
@@ -264,54 +263,16 @@ export class AuthRepository implements IAuthRepository {
     });
   }
 
-  /** 通过 Facebook PSID 直接登录或返回游客态。 */
-  async facebookPsidLogin(input: {
-    psid: string;
-    deviceId?: string;
-    bindToGuest?: boolean;
-  }): Promise<Result<LoginStatusT>> {
+  /** 消费一次性充值凭证并按后端返回的 canonical 账号建立正式会话。 */
+  async consumeTopUpHandoff(
+    handoffToken: string,
+  ): Promise<Result<LoginStatusT>> {
     return Result.wrap(async () => {
-      const response = await this.api.facebookPsidLogin(
-        FacebookPsidLoginRequestSchema.parse({
-          psid: input.psid,
-          deviceId: input.deviceId ?? "",
-          bindToGuest: input.bindToGuest ?? true,
-        }),
+      const response = await this.api.consumeTopUpHandoff(
+        TopUpHandoffRequestSchema.parse({ handoffToken }),
       );
-      const data = response;
-      await this._saveFacebookIdentity({
-        asid: data.fbAsid,
-        psid: data.fbPsid,
-      });
-
-      if (data.isGuest || !data.hasCompleteFacebookIdentity) {
-        const tokenResult = await this.storage.setGuestToken(data.token);
-        if (Result.isErr(tokenResult)) throw tokenResult.error;
-        if (input.deviceId) {
-          const deviceResult = await this.storage.setDeviceId(input.deviceId);
-          if (Result.isErr(deviceResult)) throw deviceResult.error;
-        }
-        const userId = data.userId || data.user?.id || "";
-        if (userId) {
-          const userIdResult = await this.userStorage.setUserId(userId);
-          if (Result.isErr(userIdResult)) throw userIdResult.error;
-        }
-        const providerResult = await this.storage.setLoginProvider(
-          LoginStatus.Guest,
-        );
-        if (Result.isErr(providerResult)) throw providerResult.error;
-        return LoginStatus.Guest;
-      }
-
-      await this._saveLoginData(
-        LoginResponseSchema.parse({
-          token: data.token,
-          refreshToken: data.refreshToken,
-          user: data.user ?? { id: data.userId },
-        }),
-        LoginStatus.Facebook,
-      );
-      return LoginStatus.Facebook;
+      await this._saveLoginData(response, response.loginStatus);
+      return response.loginStatus;
     });
   }