diff --git a/src/core/net/interceptor/auth_refresh_interceptor.ts b/src/core/net/interceptor/auth_refresh_interceptor.ts
index 9c40512e..aa9cb290 100644
--- a/src/core/net/interceptor/auth_refresh_interceptor.ts
+++ b/src/core/net/interceptor/auth_refresh_interceptor.ts
@@ -15,7 +15,6 @@ import { AppEnvUtil, deviceIdentifier, Result } from "@/utils";
  * （这些路径返回 401 时不触发刷新）
  */
 const NO_AUTH_REFRESH_PATHS: readonly string[] = [
-  ApiPath.sendCode,
   ApiPath.emailLogin,
   ApiPath.register,
   ApiPath.guestLogin,
diff --git a/src/core/net/interceptor/token_interceptor.ts b/src/core/net/interceptor/token_interceptor.ts
index b414f44a..5aa75b59 100644
--- a/src/core/net/interceptor/token_interceptor.ts
+++ b/src/core/net/interceptor/token_interceptor.ts
@@ -16,7 +16,6 @@ const log = new Logger("TokenInterceptor");
  * 不需要 token 的路径
  */
 const NO_TOKEN_PATHS: readonly string[] = [
-  ApiPath.sendCode,
   ApiPath.emailLogin,
   ApiPath.register,
   ApiPath.guestLogin,
diff --git a/src/data/dto/auth/apple_login_request.ts b/src/data/dto/auth/apple_login_request.ts
deleted file mode 100644
index 7416506e..00000000
--- a/src/data/dto/auth/apple_login_request.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * Apple 登录请求 DTO
- */
-import {
-  AppleLoginRequestSchema,
-  type AppleLoginRequestInput,
-  type AppleLoginRequestData,
-} from "@/data/schemas/auth/apple_login_request";
-
-export class AppleLoginRequest {
-  declare readonly identityToken: string;
-  declare readonly platform: string;
-  declare readonly isTestAccount: boolean;
-
-  private constructor(input: AppleLoginRequestInput) {
-    const data = AppleLoginRequestSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: AppleLoginRequestInput): AppleLoginRequest {
-    return new AppleLoginRequest(input);
-  }
-
-  static fromJson(json: unknown): AppleLoginRequest {
-    return AppleLoginRequest.from(json as AppleLoginRequestInput);
-  }
-
-  toJson(): AppleLoginRequestData {
-    return AppleLoginRequestSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/auth/index.ts b/src/data/dto/auth/index.ts
index 09a9e406..d0820a15 100644
--- a/src/data/dto/auth/index.ts
+++ b/src/data/dto/auth/index.ts
@@ -2,7 +2,6 @@
  * @file Automatically generated by barrelsby.
  */
 
-export * from "./apple_login_request";
 export * from "./auth_mode";
 export * from "./auth_panel_mode";
 export * from "./facebook_login_request";
@@ -18,4 +17,3 @@ export * from "./logout_response";
 export * from "./refresh_token_request";
 export * from "./refresh_token_response";
 export * from "./register_request";
-export * from "./send_code_request";
diff --git a/src/data/dto/auth/send_code_request.ts b/src/data/dto/auth/send_code_request.ts
deleted file mode 100644
index cbd0e54a..00000000
--- a/src/data/dto/auth/send_code_request.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * 发送验证码请求 DTO
- */
-import {
-  SendCodeRequestSchema,
-  type SendCodeRequestInput,
-  type SendCodeRequestData,
-} from "@/data/schemas/auth/send_code_request";
-
-export class SendCodeRequest {
-  declare readonly email: string;
-
-  private constructor(input: SendCodeRequestInput) {
-    const data = SendCodeRequestSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: SendCodeRequestInput): SendCodeRequest {
-    return new SendCodeRequest(input);
-  }
-
-  static fromJson(json: unknown): SendCodeRequest {
-    return SendCodeRequest.from(json as SendCodeRequestInput);
-  }
-
-  toJson(): SendCodeRequestData {
-    return SendCodeRequestSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/chat/chat_sync_data.ts b/src/data/dto/chat/chat_sync_data.ts
deleted file mode 100644
index 24b3effc..00000000
--- a/src/data/dto/chat/chat_sync_data.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * 消息同步响应 DTO
- */
-import {
-  ChatSyncDataSchema,
-  type ChatSyncDataInput,
-  type ChatSyncDataData,
-} from "@/data/schemas/chat/chat_sync_data";
-
-export class ChatSyncData {
-  declare readonly syncedCount: number;
-  declare readonly totalHistory: number;
-
-  private constructor(input: ChatSyncDataInput) {
-    const data = ChatSyncDataSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: ChatSyncDataInput): ChatSyncData {
-    return new ChatSyncData(input);
-  }
-
-  static fromJson(json: unknown): ChatSyncData {
-    return ChatSyncData.from(json as ChatSyncDataInput);
-  }
-
-  toJson(): ChatSyncDataData {
-    return ChatSyncDataSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/chat/chat_sync_request.ts b/src/data/dto/chat/chat_sync_request.ts
deleted file mode 100644
index 9427170f..00000000
--- a/src/data/dto/chat/chat_sync_request.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * 消息同步请求 DTO
- */
-import {
-  ChatSyncRequestSchema,
-  type ChatSyncRequestInput,
-  type ChatSyncRequestData,
-} from "@/data/schemas/chat/chat_sync_request";
-import { SyncMessage } from "./sync_message";
-
-export class ChatSyncRequest {
-  declare readonly messages: SyncMessage[];
-
-  private constructor(input: ChatSyncRequestInput) {
-    const data = ChatSyncRequestSchema.parse(input);
-    Object.assign(this, {
-      ...data,
-      messages: data.messages.map((m) => SyncMessage.from(m)),
-    });
-    Object.freeze(this);
-  }
-
-  static from(input: ChatSyncRequestInput): ChatSyncRequest {
-    return new ChatSyncRequest(input);
-  }
-
-  static fromJson(json: unknown): ChatSyncRequest {
-    return ChatSyncRequest.from(json as ChatSyncRequestInput);
-  }
-
-  toJson(): ChatSyncRequestData {
-    return ChatSyncRequestSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/chat/image_upload_response.ts b/src/data/dto/chat/image_upload_response.ts
deleted file mode 100644
index edbebbef..00000000
--- a/src/data/dto/chat/image_upload_response.ts
+++ /dev/null
@@ -1,37 +0,0 @@
-/**
- * 图片上传响应 DTO
- */
-import {
-  ImageUploadResponseSchema,
-  type ImageUploadResponseInput,
-  type ImageUploadResponseData,
-} from "@/data/schemas/chat/image_upload_response";
-
-export class ImageUploadResponse {
-  declare readonly success: boolean;
-  declare readonly imageId: string;
-  declare readonly thumbUrl: string;
-  declare readonly mediumUrl: string;
-  declare readonly originalUrl: string;
-  declare readonly width: number;
-  declare readonly height: number;
-  declare readonly bytes: number;
-
-  private constructor(input: ImageUploadResponseInput) {
-    const data = ImageUploadResponseSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: ImageUploadResponseInput): ImageUploadResponse {
-    return new ImageUploadResponse(input);
-  }
-
-  static fromJson(json: unknown): ImageUploadResponse {
-    return ImageUploadResponse.from(json as ImageUploadResponseInput);
-  }
-
-  toJson(): ImageUploadResponseData {
-    return ImageUploadResponseSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/chat/index.ts b/src/data/dto/chat/index.ts
index ba840084..8946ca16 100644
--- a/src/data/dto/chat/index.ts
+++ b/src/data/dto/chat/index.ts
@@ -7,12 +7,7 @@ export * from "./chat_list_item";
 export * from "./chat_media";
 export * from "./chat_message";
 export * from "./chat_send_response";
-export * from "./chat_sync_data";
-export * from "./chat_sync_request";
-export * from "./image_upload_response";
 export * from "./send_message_request";
-export * from "./stt_data";
-export * from "./sync_message";
 export * from "./ui_message";
 export * from "./unlock_history_response";
 export * from "./unlock_private_request";
diff --git a/src/data/dto/chat/stt_data.ts b/src/data/dto/chat/stt_data.ts
deleted file mode 100644
index a54d47e5..00000000
--- a/src/data/dto/chat/stt_data.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * STT（语音转文字）响应 DTO
- */
-import {
-  SttDataSchema,
-  type SttDataInput,
-  type SttDataData,
-} from "@/data/schemas/chat/stt_data";
-
-export class SttData {
-  declare readonly text: string;
-
-  private constructor(input: SttDataInput) {
-    const data = SttDataSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: SttDataInput): SttData {
-    return new SttData(input);
-  }
-
-  static fromJson(json: unknown): SttData {
-    return SttData.from(json as SttDataInput);
-  }
-
-  toJson(): SttDataData {
-    return SttDataSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/chat/sync_message.ts b/src/data/dto/chat/sync_message.ts
deleted file mode 100644
index e037a5a8..00000000
--- a/src/data/dto/chat/sync_message.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * 待同步的单条消息 DTO
- */
-import {
-  SyncMessageSchema,
-  type SyncMessageInput,
-  type SyncMessageData,
-} from "@/data/schemas/chat/sync_message";
-
-export class SyncMessage {
-  declare readonly role: string;
-  declare readonly content: string;
-  declare readonly timestamp: string;
-
-  private constructor(input: SyncMessageInput) {
-    const data = SyncMessageSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: SyncMessageInput): SyncMessage {
-    return new SyncMessage(input);
-  }
-
-  static fromJson(json: unknown): SyncMessage {
-    return SyncMessage.from(json as SyncMessageInput);
-  }
-
-  toJson(): SyncMessageData {
-    return SyncMessageSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/payment/index.ts b/src/data/dto/payment/index.ts
index 670dfeab..d619320e 100644
--- a/src/data/dto/payment/index.ts
+++ b/src/data/dto/payment/index.ts
@@ -7,4 +7,3 @@ export * from "./create_payment_order_response";
 export * from "./payment_order_status_response";
 export * from "./payment_plan";
 export * from "./payment_plans_response";
-export * from "./payment_vip_status_response";
diff --git a/src/data/dto/payment/payment_vip_status_response.ts b/src/data/dto/payment/payment_vip_status_response.ts
deleted file mode 100644
index b90bd917..00000000
--- a/src/data/dto/payment/payment_vip_status_response.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * VIP 状态响应 DTO
- */
-import {
-  PaymentVipStatusResponseSchema,
-  type PaymentVipStatusResponseData,
-  type PaymentVipStatusResponseInput,
-} from "@/data/schemas/payment/payment_vip_status_response";
-
-export class PaymentVipStatusResponse {
-  declare readonly isVip: boolean;
-  declare readonly vipExpiresAt: string | null;
-
-  private constructor(input: PaymentVipStatusResponseInput) {
-    const data = PaymentVipStatusResponseSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: PaymentVipStatusResponseInput): PaymentVipStatusResponse {
-    return new PaymentVipStatusResponse(input);
-  }
-
-  static fromJson(json: unknown): PaymentVipStatusResponse {
-    return PaymentVipStatusResponse.from(
-      json as PaymentVipStatusResponseInput,
-    );
-  }
-
-  toJson(): PaymentVipStatusResponseData {
-    return PaymentVipStatusResponseSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/user/credits_data.ts b/src/data/dto/user/credits_data.ts
deleted file mode 100644
index 095c3dfd..00000000
--- a/src/data/dto/user/credits_data.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * 积分数据 DTO
- */
-import {
-  CreditsDataSchema,
-  type CreditsDataInput,
-  type CreditsDataData,
-} from "@/data/schemas/user/credits_data";
-
-export class CreditsData {
-  declare readonly userId: string;
-  declare readonly dolBalance: number;
-
-  private constructor(input: CreditsDataInput) {
-    const data = CreditsDataSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: CreditsDataInput): CreditsData {
-    return new CreditsData(input);
-  }
-
-  static fromJson(json: unknown): CreditsData {
-    return CreditsData.from(json as CreditsDataInput);
-  }
-
-  toJson(): CreditsDataData {
-    return CreditsDataSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/user/credits_history_data.ts b/src/data/dto/user/credits_history_data.ts
deleted file mode 100644
index 6fcec0bb..00000000
--- a/src/data/dto/user/credits_history_data.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * 积分历史记录 DTO
- */
-import {
-  CreditsHistoryDataSchema,
-  type CreditsHistoryDataInput,
-  type CreditsHistoryDataData,
-} from "@/data/schemas/user/credits_history_data";
-
-export class CreditsHistoryData {
-  declare readonly records: Record<string, unknown>[];
-  declare readonly total: number;
-  declare readonly limit: number;
-  declare readonly offset: number;
-
-  private constructor(input: CreditsHistoryDataInput) {
-    const data = CreditsHistoryDataSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: CreditsHistoryDataInput): CreditsHistoryData {
-    return new CreditsHistoryData(input);
-  }
-
-  static fromJson(json: unknown): CreditsHistoryData {
-    return CreditsHistoryData.from(json as CreditsHistoryDataInput);
-  }
-
-  toJson(): CreditsHistoryDataData {
-    return CreditsHistoryDataSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/user/index.ts b/src/data/dto/user/index.ts
index c48ea1ab..7aecee25 100644
--- a/src/data/dto/user/index.ts
+++ b/src/data/dto/user/index.ts
@@ -3,12 +3,8 @@
  */
 
 export * from "./avatar_data";
-export * from "./credits_data";
-export * from "./credits_history_data";
 export * from "./personality_traits";
 export * from "./recent_memory";
-export * from "./update_profile_request";
 export * from "./user";
 export * from "./user_entitlements";
-export * from "./user_stats_response";
 export * from "./user_view";
diff --git a/src/data/dto/user/update_profile_request.ts b/src/data/dto/user/update_profile_request.ts
deleted file mode 100644
index deb3f0df..00000000
--- a/src/data/dto/user/update_profile_request.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * 更新个人资料请求 DTO
- */
-import {
-  UpdateProfileRequestSchema,
-  type UpdateProfileRequestInput,
-  type UpdateProfileRequestData,
-} from "@/data/schemas/user/update_profile_request";
-
-export class UpdateProfileRequest {
-  declare readonly username: string;
-  declare readonly nickname: string;
-  declare readonly preferredLanguage: string;
-  declare readonly currentMood: string;
-
-  private constructor(input: UpdateProfileRequestInput) {
-    const data = UpdateProfileRequestSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: UpdateProfileRequestInput): UpdateProfileRequest {
-    return new UpdateProfileRequest(input);
-  }
-
-  static fromJson(json: unknown): UpdateProfileRequest {
-    return UpdateProfileRequest.from(json as UpdateProfileRequestInput);
-  }
-
-  toJson(): UpdateProfileRequestData {
-    return UpdateProfileRequestSchema.parse(this);
-  }
-}
diff --git a/src/data/dto/user/user_stats_response.ts b/src/data/dto/user/user_stats_response.ts
deleted file mode 100644
index fa25ebe4..00000000
--- a/src/data/dto/user/user_stats_response.ts
+++ /dev/null
@@ -1,51 +0,0 @@
-/**
- * 用户统计响应 DTO
- */
-import {
-  UserStatsResponseSchema,
-  type UserStatsResponseInput,
-  type UserStatsResponseData,
-} from "@/data/schemas/user/user_stats_response";
-import { PersonalityTraits } from "./personality_traits";
-import { RecentMemory } from "./recent_memory";
-
-export class UserStatsResponse {
-  declare readonly userId: string;
-  declare readonly username: string;
-  declare readonly platform: string;
-  declare readonly intimacy: number;
-  declare readonly relationshipStage: string;
-  declare readonly dolBalance: number;
-  declare readonly totalMessages: number;
-  declare readonly lastMessageAt: string;
-  declare readonly accountCreatedAt: string;
-  declare readonly currentMood: string;
-  declare readonly personalityTraits: PersonalityTraits;
-  declare readonly recentMemories: RecentMemory[];
-  declare readonly promptTokensTotal: number;
-  declare readonly completionTokensTotal: number;
-  declare readonly cacheHitTokensTotal: number;
-  declare readonly tokensTotal: number;
-
-  private constructor(input: UserStatsResponseInput) {
-    const data = UserStatsResponseSchema.parse(input);
-    Object.assign(this, {
-      ...data,
-      personalityTraits: PersonalityTraits.from(data.personalityTraits),
-      recentMemories: data.recentMemories.map((m) => RecentMemory.from(m)),
-    });
-    Object.freeze(this);
-  }
-
-  static from(input: UserStatsResponseInput): UserStatsResponse {
-    return new UserStatsResponse(input);
-  }
-
-  static fromJson(json: unknown): UserStatsResponse {
-    return UserStatsResponse.from(json as UserStatsResponseInput);
-  }
-
-  toJson(): UserStatsResponseData {
-    return UserStatsResponseSchema.parse(this);
-  }
-}
diff --git a/src/data/repositories/auth_repository.ts b/src/data/repositories/auth_repository.ts
index a1e34d85..a82b4bd8 100644
--- a/src/data/repositories/auth_repository.ts
+++ b/src/data/repositories/auth_repository.ts
@@ -3,7 +3,6 @@
 import { ExceptionHandler } from "@/core/errors";
 import { ApiError, AuthApi, authApi, ErrorCode } from "@/data/services/api";
 import {
-  AppleLoginRequest,
   FacebookLoginRequest,
   FbIdLoginRequest,
   GoogleLoginRequest,
@@ -16,7 +15,6 @@ import {
   RefreshTokenRequest,
   RefreshTokenResponse,
   RegisterRequest,
-  SendCodeRequest,
 } from "@/data/dto/auth";
 import { User } from "@/data/dto/user";
 import {
@@ -94,13 +92,6 @@ export class AuthRepository implements IAuthRepository {
     });
   }
 
-  /** 发送邮箱验证码。 */
-  async sendCode(email: string): Promise<Result<void>> {
-    return Result.wrap(async () => {
-      await this.api.sendCode(SendCodeRequest.from({ email }));
-    });
-  }
-
   /**
    * 退出真实用户登录并恢复游客态。
    *
@@ -231,24 +222,6 @@ export class AuthRepository implements IAuthRepository {
     );
   }
 
-  /**
-   * Apple 登录。
-   * 注：Dart 端另有一个 `uploadFacebookAvatar` 方法，但当前 TS 端 `AuthApi`
-   * 尚未实现该端点，故仓库暂不暴露。等 `AuthApi` 补齐后再加。
-   */
-  async appleLogin(identityToken: string): Promise<Result<LoginResponse>> {
-    return this._socialLogin(LoginStatus.Apple, () =>
-      this.api.appleLogin(
-        AppleLoginRequest.from(
-          withTestAccountFlag({
-            identityToken,
-            platform: getAuthPlatform(),
-          }),
-        ),
-      ),
-    );
-  }
-
   /**
    * 刷新 token：先读本地的 refresh token，空则直接返回错误；
    * 调用 API 成功后写回新的 login token + refresh token。
diff --git a/src/data/repositories/interfaces/iauth_repository.ts b/src/data/repositories/interfaces/iauth_repository.ts
index e89838b2..886cfdcb 100644
--- a/src/data/repositories/interfaces/iauth_repository.ts
+++ b/src/data/repositories/interfaces/iauth_repository.ts
@@ -38,9 +38,6 @@ export interface IAuthRepository {
     guestId?: string;
   }): Promise<Result<LoginResponse>>;
 
-  /** 发送邮箱验证码。 */
-  sendCode(email: string): Promise<Result<void>>;
-
   /** 退出真实用户登录并恢复游客态。 */
   logout(): Promise<Result<void>>;
 
@@ -65,9 +62,6 @@ export interface IAuthRepository {
     avatarUrl?: string;
   }): Promise<Result<LoginResponse>>;
 
-  /** Apple 登录。 */
-  appleLogin(identityToken: string): Promise<Result<LoginResponse>>;
-
   /** 刷新 token：先读本地的 refresh token，空则返回错误。 */
   refreshToken(): Promise<Result<RefreshTokenResponse>>;
 
diff --git a/src/data/repositories/interfaces/ipayment_repository.ts b/src/data/repositories/interfaces/ipayment_repository.ts
index 8262e5d5..9e6eb6a0 100644
--- a/src/data/repositories/interfaces/ipayment_repository.ts
+++ b/src/data/repositories/interfaces/ipayment_repository.ts
@@ -7,9 +7,7 @@ import type {
   CreatePaymentOrderResponse,
   PayChannel,
   PaymentOrderStatusResponse,
-  PaymentPlan,
   PaymentPlansResponse,
-  PaymentVipStatusResponse,
 } from "@/data/dto/payment";
 import type { Result } from "@/utils/result";
 
@@ -23,12 +21,6 @@ export interface IPaymentRepository {
   /** 清除本地缓存套餐列表。 */
   clearCachedPlans(): Promise<Result<void>>;
 
-  /** 获取会员套餐列表。 */
-  getVipPlans(): Promise<Result<PaymentPlan[]>>;
-
-  /** 获取积分套餐列表。 */
-  getCreditPlans(): Promise<Result<PaymentPlan[]>>;
-
   /** 创建支付订单。 */
   createOrder(
     planId: string,
@@ -38,7 +30,4 @@ export interface IPaymentRepository {
 
   /** 查询支付订单状态。 */
   getOrderStatus(orderId: string): Promise<Result<PaymentOrderStatusResponse>>;
-
-  /** 查询当前用户 VIP 状态。 */
-  getVipStatus(): Promise<Result<PaymentVipStatusResponse>>;
 }
diff --git a/src/data/repositories/interfaces/iuser_repository.ts b/src/data/repositories/interfaces/iuser_repository.ts
index d8ade758..292ba6e5 100644
--- a/src/data/repositories/interfaces/iuser_repository.ts
+++ b/src/data/repositories/interfaces/iuser_repository.ts
@@ -6,33 +6,14 @@
 
 import type { Result } from "@/utils";
 import type {
-  CreditsData,
-  CreditsHistoryData,
-  UpdateProfileRequest,
   User,
   UserEntitlements,
-  UserStatsResponse,
 } from "@/data/dto/user";
 
 export interface IUserRepository {
-  /** 获取用户统计信息。 */
-  getUserStats(): Promise<Result<UserStatsResponse>>;
-
   /** 获取当前登录用户信息。 */
   getCurrentUser(): Promise<Result<User>>;
 
-  /** 更新个人资料。 */
-  updateProfile(request: UpdateProfileRequest): Promise<Result<User>>;
-
-  /** 查询积分余额。 */
-  getCredits(): Promise<Result<CreditsData>>;
-
-  /** 查询积分操作历史，分页参数默认 limit=50, offset=0。 */
-  getCreditsHistory(
-    limit?: number,
-    offset?: number,
-  ): Promise<Result<CreditsHistoryData>>;
-
   /** 获取当前用户权益快照。 */
   getEntitlements(): Promise<Result<UserEntitlements>>;
 }
diff --git a/src/data/repositories/payment_repository.ts b/src/data/repositories/payment_repository.ts
index 70e376ca..89d7e531 100644
--- a/src/data/repositories/payment_repository.ts
+++ b/src/data/repositories/payment_repository.ts
@@ -10,9 +10,7 @@ import {
   CreatePaymentOrderResponse,
   PayChannel,
   PaymentOrderStatusResponse,
-  PaymentPlan,
   PaymentPlansResponse,
-  PaymentVipStatusResponse,
 } from "@/data/dto/payment";
 import { PaymentApi, paymentApi } from "@/data/services/api";
 import { PaymentPlansStorage } from "@/data/storage/payment";
@@ -49,22 +47,6 @@ export class PaymentRepository implements IPaymentRepository {
     });
   }
 
-  /** 获取会员套餐列表。 */
-  async getVipPlans(): Promise<Result<PaymentPlan[]>> {
-    return Result.wrap(async () => {
-      const response = await this.api.getPlans();
-      return response.plans.filter(isVipPaymentPlan);
-    });
-  }
-
-  /** 获取积分套餐列表。 */
-  async getCreditPlans(): Promise<Result<PaymentPlan[]>> {
-    return Result.wrap(async () => {
-      const response = await this.api.getPlans();
-      return response.plans.filter(isCreditPaymentPlan);
-    });
-  }
-
   /** 创建支付订单。 */
   async createOrder(
     planId: string,
@@ -86,21 +68,9 @@ export class PaymentRepository implements IPaymentRepository {
     return Result.wrap(() => this.api.getOrderStatus(orderId));
   }
 
-  /** 查询当前用户 VIP 状态。 */
-  async getVipStatus(): Promise<Result<PaymentVipStatusResponse>> {
-    return Result.wrap(() => this.api.getVipStatus());
-  }
 }
 
 /** 全局懒单例。 */
 export const getPaymentRepository = createLazySingleton<IPaymentRepository>(
   () => new PaymentRepository(paymentApi),
 );
-
-export function isVipPaymentPlan(plan: PaymentPlan): boolean {
-  return plan.vipDays !== null;
-}
-
-export function isCreditPaymentPlan(plan: PaymentPlan): boolean {
-  return plan.dolAmount !== null;
-}
diff --git a/src/data/repositories/user_repository.ts b/src/data/repositories/user_repository.ts
index 6590f214..f6232210 100644
--- a/src/data/repositories/user_repository.ts
+++ b/src/data/repositories/user_repository.ts
@@ -1,12 +1,8 @@
 "use client";
 import { UserApi, userApi } from "@/data/services/api";
 import {
-  CreditsData,
-  CreditsHistoryData,
-  UpdateProfileRequest,
   User,
   UserEntitlements,
-  UserStatsResponse,
 } from "@/data/dto/user";
 import { Result } from "@/utils";
 import type { IUserRepository } from "@/data/repositories/interfaces";
@@ -15,34 +11,11 @@ import { createLazySingleton } from "./lazy_singleton";
 export class UserRepository implements IUserRepository {
   constructor(private readonly api: UserApi) {}
 
-  /** 获取用户统计信息。 */
-  async getUserStats(): Promise<Result<UserStatsResponse>> {
-    return Result.wrap(() => this.api.getUserStats());
-  }
-
   /** 获取当前登录用户信息。 */
   async getCurrentUser(): Promise<Result<User>> {
     return Result.wrap(() => this.api.getCurrentUser());
   }
 
-  /** 更新个人资料。 */
-  async updateProfile(request: UpdateProfileRequest): Promise<Result<User>> {
-    return Result.wrap(() => this.api.updateProfile(request));
-  }
-
-  /** 查询积分余额。 */
-  async getCredits(): Promise<Result<CreditsData>> {
-    return Result.wrap(() => this.api.getCredits());
-  }
-
-  /** 查询积分操作历史，分页参数默认 limit=50, offset=0。 */
-  async getCreditsHistory(
-    limit = 50,
-    offset = 0,
-  ): Promise<Result<CreditsHistoryData>> {
-    return Result.wrap(() => this.api.getCreditsHistory(limit, offset));
-  }
-
   /** 获取当前用户权益快照。 */
   async getEntitlements(): Promise<Result<UserEntitlements>> {
     return Result.wrap(() => this.api.getEntitlements());
diff --git a/src/data/schemas/auth/apple_login_request.ts b/src/data/schemas/auth/apple_login_request.ts
deleted file mode 100644
index 21360bd3..00000000
--- a/src/data/schemas/auth/apple_login_request.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * Apple 登录请求
- * 
- */
-import { z } from "zod";
-
-import { booleanOrFalse } from "../nullable-defaults";
-
-export const AppleLoginRequestSchema = z.object({
-  identityToken: z.string(),
-  platform: z.string(),
-  isTestAccount: booleanOrFalse,
-});
-
-export type AppleLoginRequestInput = z.input<typeof AppleLoginRequestSchema>;
-export type AppleLoginRequestData = z.output<typeof AppleLoginRequestSchema>;
diff --git a/src/data/schemas/auth/index.ts b/src/data/schemas/auth/index.ts
index 5fc5ae40..4ee1fe1f 100644
--- a/src/data/schemas/auth/index.ts
+++ b/src/data/schemas/auth/index.ts
@@ -2,7 +2,6 @@
  * @file Automatically generated by barrelsby.
  */
 
-export * from "./apple_login_request";
 export * from "./facebook_login_request";
 export * from "./facebook_user_data";
 export * from "./fb_id_login_request";
@@ -15,4 +14,3 @@ export * from "./logout_response";
 export * from "./refresh_token_request";
 export * from "./refresh_token_response";
 export * from "./register_request";
-export * from "./send_code_request";
diff --git a/src/data/schemas/auth/send_code_request.ts b/src/data/schemas/auth/send_code_request.ts
deleted file mode 100644
index 4c7d64ca..00000000
--- a/src/data/schemas/auth/send_code_request.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * 发送验证码请求
- * 
- */
-import { z } from "zod";
-
-export const SendCodeRequestSchema = z.object({
-  email: z.string(),
-});
-
-export type SendCodeRequestInput = z.input<typeof SendCodeRequestSchema>;
-export type SendCodeRequestData = z.output<typeof SendCodeRequestSchema>;
diff --git a/src/data/schemas/chat/chat_sync_data.ts b/src/data/schemas/chat/chat_sync_data.ts
deleted file mode 100644
index ce985140..00000000
--- a/src/data/schemas/chat/chat_sync_data.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * 消息同步响应
- * 
- */
-import { z } from "zod";
-
-import { numberOrZero } from "../nullable-defaults";
-
-export const ChatSyncDataSchema = z.object({
-  syncedCount: numberOrZero,
-  totalHistory: numberOrZero,
-});
-
-export type ChatSyncDataInput = z.input<typeof ChatSyncDataSchema>;
-export type ChatSyncDataData = z.output<typeof ChatSyncDataSchema>;
diff --git a/src/data/schemas/chat/chat_sync_request.ts b/src/data/schemas/chat/chat_sync_request.ts
deleted file mode 100644
index 2c2ce48d..00000000
--- a/src/data/schemas/chat/chat_sync_request.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-/**
- * 消息同步请求
- * 
- */
-import { z } from "zod";
-import { SyncMessageSchema } from "./sync_message";
-
-export const ChatSyncRequestSchema = z.object({
-  messages: z.array(SyncMessageSchema),
-});
-
-export type ChatSyncRequestInput = z.input<typeof ChatSyncRequestSchema>;
-export type ChatSyncRequestData = z.output<typeof ChatSyncRequestSchema>;
diff --git a/src/data/schemas/chat/image_upload_response.ts b/src/data/schemas/chat/image_upload_response.ts
deleted file mode 100644
index dcaf3760..00000000
--- a/src/data/schemas/chat/image_upload_response.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * 图片上传响应
- * 
- */
-import { z } from "zod";
-
-import { booleanOrTrue, numberOrZero, stringOrEmpty } from "../nullable-defaults";
-
-export const ImageUploadResponseSchema = z.object({
-  success: booleanOrTrue,
-  imageId: stringOrEmpty,
-  thumbUrl: stringOrEmpty,
-  mediumUrl: stringOrEmpty,
-  originalUrl: stringOrEmpty,
-  width: numberOrZero,
-  height: numberOrZero,
-  bytes: numberOrZero,
-});
-
-export type ImageUploadResponseInput = z.input<typeof ImageUploadResponseSchema>;
-export type ImageUploadResponseData = z.output<typeof ImageUploadResponseSchema>;
diff --git a/src/data/schemas/chat/index.ts b/src/data/schemas/chat/index.ts
index a6021785..01a25152 100644
--- a/src/data/schemas/chat/index.ts
+++ b/src/data/schemas/chat/index.ts
@@ -6,12 +6,7 @@ export * from "./chat_history_response";
 export * from "./chat_message";
 export * from "./chat_payloads";
 export * from "./chat_send_response";
-export * from "./chat_sync_data";
-export * from "./chat_sync_request";
-export * from "./image_upload_response";
 export * from "./send_message_request";
-export * from "./stt_data";
-export * from "./sync_message";
 export * from "./unlock_history_response";
 export * from "./unlock_private_request";
 export * from "./unlock_private_response";
diff --git a/src/data/schemas/chat/stt_data.ts b/src/data/schemas/chat/stt_data.ts
deleted file mode 100644
index 365cc83c..00000000
--- a/src/data/schemas/chat/stt_data.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * STT（语音转文字）响应
- * 
- */
-import { z } from "zod";
-
-import { stringOrEmpty } from "../nullable-defaults";
-
-export const SttDataSchema = z.object({
-  text: stringOrEmpty,
-});
-
-export type SttDataInput = z.input<typeof SttDataSchema>;
-export type SttDataData = z.output<typeof SttDataSchema>;
diff --git a/src/data/schemas/chat/sync_message.ts b/src/data/schemas/chat/sync_message.ts
deleted file mode 100644
index 6343dfe5..00000000
--- a/src/data/schemas/chat/sync_message.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * 待同步的单条消息
- * 
- */
-import { z } from "zod";
-
-import { stringOrEmpty } from "../nullable-defaults";
-
-export const SyncMessageSchema = z.object({
-  role: stringOrEmpty,
-  content: stringOrEmpty,
-  timestamp: stringOrEmpty,
-});
-
-export type SyncMessageInput = z.input<typeof SyncMessageSchema>;
-export type SyncMessageData = z.output<typeof SyncMessageSchema>;
diff --git a/src/data/schemas/payment/index.ts b/src/data/schemas/payment/index.ts
index b113cc1a..705b23ed 100644
--- a/src/data/schemas/payment/index.ts
+++ b/src/data/schemas/payment/index.ts
@@ -7,4 +7,3 @@ export * from "./create_payment_order_response";
 export * from "./payment_order_status_response";
 export * from "./payment_plan";
 export * from "./payment_plans_response";
-export * from "./payment_vip_status_response";
diff --git a/src/data/schemas/payment/payment_vip_status_response.ts b/src/data/schemas/payment/payment_vip_status_response.ts
deleted file mode 100644
index 9232837d..00000000
--- a/src/data/schemas/payment/payment_vip_status_response.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- * VIP 状态响应
- */
-import { z } from "zod";
-
-import { booleanOrFalse, stringOrNull } from "../nullable-defaults";
-
-export const PaymentVipStatusResponseSchema = z.object({
-  isVip: booleanOrFalse,
-  vipExpiresAt: stringOrNull,
-});
-
-export type PaymentVipStatusResponseInput = z.input<
-  typeof PaymentVipStatusResponseSchema
->;
-export type PaymentVipStatusResponseData = z.output<
-  typeof PaymentVipStatusResponseSchema
->;
diff --git a/src/data/schemas/user/credits_data.ts b/src/data/schemas/user/credits_data.ts
deleted file mode 100644
index dc672733..00000000
--- a/src/data/schemas/user/credits_data.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * 积分数据模型
- * 
- */
-import { z } from "zod";
-
-import { numberOrZero, stringOrEmpty } from "../nullable-defaults";
-
-export const CreditsDataSchema = z.object({
-  userId: stringOrEmpty,
-  dolBalance: numberOrZero,
-});
-
-export type CreditsDataInput = z.input<typeof CreditsDataSchema>;
-export type CreditsDataData = z.output<typeof CreditsDataSchema>;
diff --git a/src/data/schemas/user/credits_history_data.ts b/src/data/schemas/user/credits_history_data.ts
deleted file mode 100644
index 4ce3c98f..00000000
--- a/src/data/schemas/user/credits_history_data.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-/**
- * 积分历史记录模型
- * 
- */
-import { z } from "zod";
-
-import { arrayOrEmpty, numberOrZero } from "../nullable-defaults";
-
-export const CreditsHistoryDataSchema = z.object({
-  records: arrayOrEmpty(z.record(z.string(), z.unknown())),
-  total: numberOrZero,
-  limit: numberOrZero,
-  offset: numberOrZero,
-});
-
-export type CreditsHistoryDataInput = z.input<typeof CreditsHistoryDataSchema>;
-export type CreditsHistoryDataData = z.output<typeof CreditsHistoryDataSchema>;
diff --git a/src/data/schemas/user/index.ts b/src/data/schemas/user/index.ts
index efeca61f..edbba5ab 100644
--- a/src/data/schemas/user/index.ts
+++ b/src/data/schemas/user/index.ts
@@ -3,13 +3,9 @@
  */
 
 export * from "./avatar_data";
-export * from "./credits_data";
-export * from "./credits_history_data";
 export * from "./persisted_user";
 export * from "./personality_traits";
 export * from "./recent_memory";
-export * from "./update_profile_request";
 export * from "./user";
 export * from "./user_entitlement_snapshot";
 export * from "./user_entitlements";
-export * from "./user_stats_response";
diff --git a/src/data/schemas/user/update_profile_request.ts b/src/data/schemas/user/update_profile_request.ts
deleted file mode 100644
index 5d0566a4..00000000
--- a/src/data/schemas/user/update_profile_request.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-/**
- * 更新个人资料请求
- * 
- */
-import { z } from "zod";
-
-import { stringOrEmpty } from "../nullable-defaults";
-
-export const UpdateProfileRequestSchema = z.object({
-  username: stringOrEmpty,
-  nickname: stringOrEmpty,
-  preferredLanguage: stringOrEmpty,
-  currentMood: stringOrEmpty,
-});
-
-export type UpdateProfileRequestInput = z.input<typeof UpdateProfileRequestSchema>;
-export type UpdateProfileRequestData = z.output<typeof UpdateProfileRequestSchema>;
diff --git a/src/data/schemas/user/user_stats_response.ts b/src/data/schemas/user/user_stats_response.ts
deleted file mode 100644
index e42bb2cc..00000000
--- a/src/data/schemas/user/user_stats_response.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-/**
- * 用户统计响应
- * 
- */
-import { z } from "zod";
-
-import {
-  arrayOrEmpty,
-  numberOrZero,
-  schemaOr,
-  stringOrEmpty,
-} from "../nullable-defaults";
-import { PersonalityTraitsSchema, PERSONALITY_TRAITS_DEFAULTS } from "./personality_traits";
-import { RecentMemorySchema } from "./recent_memory";
-
-export const UserStatsResponseSchema = z.object({
-  userId: stringOrEmpty,
-  username: stringOrEmpty,
-  platform: stringOrEmpty,
-  intimacy: numberOrZero,
-  relationshipStage: stringOrEmpty,
-  dolBalance: numberOrZero,
-  totalMessages: numberOrZero,
-  lastMessageAt: stringOrEmpty,
-  accountCreatedAt: stringOrEmpty,
-  currentMood: stringOrEmpty,
-  personalityTraits: schemaOr(PersonalityTraitsSchema, PERSONALITY_TRAITS_DEFAULTS),
-  recentMemories: arrayOrEmpty(RecentMemorySchema),
-  promptTokensTotal: numberOrZero,
-  completionTokensTotal: numberOrZero,
-  cacheHitTokensTotal: numberOrZero,
-  tokensTotal: numberOrZero,
-});
-
-export type UserStatsResponseInput = z.input<typeof UserStatsResponseSchema>;
-export type UserStatsResponseData = z.output<typeof UserStatsResponseSchema>;
diff --git a/src/data/services/api/api_path.ts b/src/data/services/api/api_path.ts
index 73357f06..6e2502d4 100644
--- a/src/data/services/api/api_path.ts
+++ b/src/data/services/api/api_path.ts
@@ -11,15 +11,11 @@ export class ApiPath {
 
   // ============ 功能模块分组 ============
   private static readonly _auth = `${ApiPath._baseUrl}/auth`;
-  private static readonly _verify = `${ApiPath._baseUrl}/verify`;
   private static readonly _user = `${ApiPath._baseUrl}/user`;
   private static readonly _payment = `${ApiPath._baseUrl}/payment`;
   private static readonly _chat = `${ApiPath._baseUrl}/chat`;
 
   // ============ 认证相关 ============
-  /** 发送验证码 */
-  static readonly sendCode = `${ApiPath._verify}/send`;
-
   /** 邮箱密码登录 */
   static readonly emailLogin = `${ApiPath._auth}/login`;
 
@@ -29,9 +25,6 @@ export class ApiPath {
   /** 设备自动登录 */
   static readonly guestLogin = `${ApiPath._auth}/guest`;
 
-  /** Apple 登录 */
-  static readonly appleLogin = `${ApiPath._auth}/login/apple`;
-
   /** Google 登录 */
   static readonly googleLogin = `${ApiPath._auth}/login/google`;
 
@@ -51,24 +44,9 @@ export class ApiPath {
   static readonly getCurrentUser = `${ApiPath._auth}/me`;
 
   // ============ 用户相关 ============
-  /** 获取用户统计信息 */
-  static readonly userStats = `${ApiPath._user}/stats`;
-
   /** 获取个人信息（与 /auth/me 等价） */
   static readonly userProfile = `${ApiPath._user}/profile`;
 
-  /** 更新个人信息 */
-  static readonly updateProfile = `${ApiPath._user}/profile`;
-
-  /** 上传头像 */
-  static readonly userAvatar = `${ApiPath._user}/avatar`;
-
-  /** 查询积分余额 */
-  static readonly userCredits = `${ApiPath._user}/credits`;
-
-  /** 查询积分操作历史 */
-  static readonly userCreditsHistory = `${ApiPath._user}/credits/history`;
-
   /** 获取当前用户权益快照 */
   static readonly userEntitlements = `${ApiPath._user}/entitlements`;
 
@@ -82,20 +60,6 @@ export class ApiPath {
   /** 获取商品套餐列表 */
   static readonly paymentPlans = `${ApiPath._payment}/plans`;
 
-  /** 查询当前用户 VIP 状态 */
-  static readonly paymentVipStatus = `${ApiPath._payment}/vip-status`;
-
-  /** @deprecated PAYWALL_API 使用 paymentPlans。 */
-  static readonly paymentProducts = ApiPath.paymentPlans;
-
-  /** 申请退款 */
-  static readonly paymentRefund = `${ApiPath._payment}/refund`;
-
-  /** 获取商品详情路径 */
-  static getPaymentProductDetail(productId: string): string {
-    return `${ApiPath.paymentProducts}/${productId}`;
-  }
-
   // ============ 聊天相关 ============
   /** 发送消息 */
   static readonly chatSend = `${ApiPath._chat}/send`;
@@ -103,15 +67,6 @@ export class ApiPath {
   /** 获取聊天历史 */
   static readonly chatHistory = `${ApiPath._chat}/history`;
 
-  /** 语音转文字（STT） */
-  static readonly chatStt = `${ApiPath._chat}/stt`;
-
-  /** 同步游客消息 */
-  static readonly chatSync = `${ApiPath._chat}/sync`;
-
-  /** 上传图片 */
-  static readonly chatUploadImage = `${ApiPath._chat}/upload-image`;
-
   /** 解锁私密消息 */
   static readonly chatUnlockPrivate = `${ApiPath._chat}/unlock-private`;
 
diff --git a/src/data/services/api/auth_api.ts b/src/data/services/api/auth_api.ts
index c292552b..d7732231 100644
--- a/src/data/services/api/auth_api.ts
+++ b/src/data/services/api/auth_api.ts
@@ -10,7 +10,6 @@ import { httpClient } from "./http_client";
 import { ApiPath } from "./api_path";
 import { ApiEnvelope, unwrap } from "./response_helper";
 import {
-  AppleLoginRequest,
   FacebookLoginRequest,
   FbIdLoginRequest,
   GoogleLoginRequest,
@@ -21,7 +20,6 @@ import {
   RefreshTokenRequest,
   RefreshTokenResponse,
   RegisterRequest,
-  SendCodeRequest,
 } from "@/data/dto/auth";
 import { User } from "@/data/dto/user";
 import type { UserData } from "@/data/schemas/user/user";
@@ -30,16 +28,6 @@ import { Logger } from "@/utils";
 const log = new Logger("DataServicesApiAuthApi");
 
 export class AuthApi {
-  /**
-   * 发送验证码
-   */
-  async sendCode(body: SendCodeRequest): Promise<void> {
-    await httpClient<ApiEnvelope<unknown>>(ApiPath.sendCode, {
-      method: "POST",
-      body: body.toJson(),
-    });
-  }
-
   /**
    * 邮箱密码登录
    */
@@ -61,17 +49,6 @@ export class AuthApi {
     });
   }
 
-  /**
-   * Apple 登录
-   */
-  async appleLogin(body: AppleLoginRequest): Promise<LoginResponse> {
-    const env = await httpClient<ApiEnvelope<unknown>>(ApiPath.appleLogin, {
-      method: "POST",
-      body: body.toJson(),
-    });
-    return LoginResponse.fromJson(unwrap(env) as Record<string, unknown>);
-  }
-
   /**
    * Google 登录
    */
@@ -112,7 +89,7 @@ export class AuthApi {
    * 不要再用 `unwrap` + `LogoutResponse.fromJson` 解析 —— Zod schema 是 z.object，
    * 对 null 会抛 ZodError "Invalid input: expected object, received null"。
    *
-   * 对齐 `register` / `sendCode` 的写法：调通就完事，不解析响应体。
+   * 对齐 `register` 的写法：调通就完事，不解析响应体。
    */
   async logout(): Promise<void> {
     await httpClient<ApiEnvelope<unknown>>(ApiPath.logout, {
diff --git a/src/data/services/api/chat_api.ts b/src/data/services/api/chat_api.ts
index e9532131..3e3ee670 100644
--- a/src/data/services/api/chat_api.ts
+++ b/src/data/services/api/chat_api.ts
@@ -10,12 +10,7 @@ import { ApiEnvelope, unwrap } from "./response_helper";
 import {
   ChatHistoryResponse,
   ChatSendResponse,
-  ChatSyncData,
-  ChatSyncRequest,
-  ImageUploadResponse,
   SendMessageRequest,
-  SttData,
-  SyncMessage,
   UnlockHistoryResponse,
   UnlockPrivateRequest,
   UnlockPrivateResponse,
@@ -45,46 +40,6 @@ export class ChatApi {
     );
   }
 
-  /**
-   * 语音转文字（multipart 上传）
-   */
-  async speechToText(audio: Blob | File): Promise<SttData> {
-    const formData = new FormData();
-    formData.append("audio", audio);
-    const env = await httpClient<ApiEnvelope<unknown>>(ApiPath.chatStt, {
-      method: "POST",
-      body: formData,
-    });
-    return SttData.fromJson(unwrap(env) as Record<string, unknown>);
-  }
-
-  /**
-   * 同步游客消息
-   */
-  async syncMessages(messages: SyncMessage[]): Promise<ChatSyncData> {
-    const body = ChatSyncRequest.from({ messages });
-    const env = await httpClient<ApiEnvelope<unknown>>(ApiPath.chatSync, {
-      method: "POST",
-      body: body.toJson(),
-    });
-    return ChatSyncData.fromJson(unwrap(env) as Record<string, unknown>);
-  }
-
-  /**
-   * 上传图片
-   */
-  async uploadImage(image: Blob | File): Promise<ImageUploadResponse> {
-    const formData = new FormData();
-    formData.append("image", image);
-    const env = await httpClient<ApiEnvelope<unknown>>(
-      ApiPath.chatUploadImage,
-      { method: "POST", body: formData }
-    );
-    return ImageUploadResponse.fromJson(
-      unwrap(env) as Record<string, unknown>
-    );
-  }
-
   /**
    * 解锁单条历史付费 / 私密消息
    */
diff --git a/src/data/services/api/payment_api.ts b/src/data/services/api/payment_api.ts
index 41153cc7..cf713425 100644
--- a/src/data/services/api/payment_api.ts
+++ b/src/data/services/api/payment_api.ts
@@ -8,7 +8,6 @@ import {
   CreatePaymentOrderResponse,
   PaymentOrderStatusResponse,
   PaymentPlansResponse,
-  PaymentVipStatusResponse,
 } from "@/data/dto/payment";
 
 import { ApiPath } from "./api_path";
@@ -61,17 +60,6 @@ export class PaymentApi {
     );
   }
 
-  /**
-   * 查询当前用户 VIP 状态
-   */
-  async getVipStatus(): Promise<PaymentVipStatusResponse> {
-    const env = await httpClient<ApiEnvelope<unknown>>(
-      ApiPath.paymentVipStatus,
-    );
-    return PaymentVipStatusResponse.fromJson(
-      unwrap(env) as Record<string, unknown>,
-    );
-  }
 }
 
 /**
diff --git a/src/data/services/api/user_api.ts b/src/data/services/api/user_api.ts
index 2118da2b..8b68d008 100644
--- a/src/data/services/api/user_api.ts
+++ b/src/data/services/api/user_api.ts
@@ -8,26 +8,12 @@ import { httpClient } from "./http_client";
 import { ApiPath } from "./api_path";
 import { ApiEnvelope, unwrap } from "./response_helper";
 import {
-  CreditsData,
-  CreditsHistoryData,
-  UpdateProfileRequest,
   User,
   UserEntitlements,
-  UserStatsResponse,
 } from "@/data/dto/user";
 import type { UserData } from "@/data/schemas/user/user";
 
 export class UserApi {
-  /**
-   * 获取用户统计信息
-   */
-  async getUserStats(): Promise<UserStatsResponse> {
-    const env = await httpClient<ApiEnvelope<unknown>>(ApiPath.userStats);
-    return UserStatsResponse.fromJson(
-      unwrap(env) as Record<string, unknown>
-    );
-  }
-
   /**
    * 获取个人信息
    */
@@ -36,41 +22,6 @@ export class UserApi {
     return User.fromJson(unwrap(env) as UserData);
   }
 
-  /**
-   * 更新个人资料
-   */
-  async updateProfile(body: UpdateProfileRequest): Promise<User> {
-    const env = await httpClient<ApiEnvelope<unknown>>(ApiPath.updateProfile, {
-      method: "PUT",
-      body: body.toJson(),
-    });
-    return User.fromJson(unwrap(env) as UserData);
-  }
-
-  /**
-   * 查询积分余额
-   */
-  async getCredits(): Promise<CreditsData> {
-    const env = await httpClient<ApiEnvelope<unknown>>(ApiPath.userCredits);
-    return CreditsData.fromJson(unwrap(env) as Record<string, unknown>);
-  }
-
-  /**
-   * 查询积分操作历史
-   */
-  async getCreditsHistory(
-    limit = 50,
-    offset = 0
-  ): Promise<CreditsHistoryData> {
-    const env = await httpClient<ApiEnvelope<unknown>>(
-      ApiPath.userCreditsHistory,
-      { query: { limit, offset } }
-    );
-    return CreditsHistoryData.fromJson(
-      unwrap(env) as Record<string, unknown>
-    );
-  }
-
   /**
    * 获取当前用户权益快照
    */
diff --git a/src/data/services/index.ts b/src/data/services/index.ts
index f085a552..daee86df 100644
--- a/src/data/services/index.ts
+++ b/src/data/services/index.ts
@@ -16,7 +16,6 @@ export * from "../../core/net/interceptor/auth_refresh_interceptor";
 export * from "../../core/net/interceptor/logging_interceptor";
 export * from "../../core/net/interceptor/token_interceptor";
 // 注：原 ./auth/* 平台适配层已删除（社交登录改由 NextAuth 处理）
-export * from "../dto/auth/apple_login_request";
 export * from "../dto/auth/facebook_login_request";
 export * from "../dto/auth/facebook_user_data";
 export * from "../dto/auth/fb_id_login_request";
@@ -29,27 +28,16 @@ export * from "../dto/auth/logout_response";
 export * from "../dto/auth/refresh_token_request";
 export * from "../dto/auth/refresh_token_response";
 export * from "../dto/auth/register_request";
-export * from "../dto/auth/send_code_request";
 export * from "../dto/chat/chat_history_response";
 export * from "../dto/chat/chat_message";
 export * from "../dto/chat/chat_send_response";
-export * from "../dto/chat/chat_sync_data";
-export * from "../dto/chat/chat_sync_request";
-export * from "../dto/chat/image_upload_response";
 export * from "../dto/chat/send_message_request";
-export * from "../dto/chat/stt_data";
-export * from "../dto/chat/sync_message";
 export * from "../dto/metrics/app_event";
 export * from "../dto/metrics/pwa_event";
 export * from "../dto/user/avatar_data";
-export * from "../dto/user/credits_data";
-export * from "../dto/user/credits_history_data";
 export * from "../dto/user/personality_traits";
 export * from "../dto/user/recent_memory";
-export * from "../dto/user/update_profile_request";
 export * from "../dto/user/user";
-export * from "../dto/user/user_stats_response";
-export * from "../schemas/auth/apple_login_request";
 export * from "../schemas/auth/facebook_login_request";
 export * from "../schemas/auth/facebook_user_data";
 export * from "../schemas/auth/fb_id_login_request";
@@ -62,23 +50,13 @@ export * from "../schemas/auth/logout_response";
 export * from "../schemas/auth/refresh_token_request";
 export * from "../schemas/auth/refresh_token_response";
 export * from "../schemas/auth/register_request";
-export * from "../schemas/auth/send_code_request";
 export * from "../schemas/chat/chat_history_response";
 export * from "../schemas/chat/chat_message";
 export * from "../schemas/chat/chat_send_response";
-export * from "../schemas/chat/chat_sync_data";
-export * from "../schemas/chat/chat_sync_request";
-export * from "../schemas/chat/image_upload_response";
 export * from "../schemas/chat/send_message_request";
-export * from "../schemas/chat/stt_data";
-export * from "../schemas/chat/sync_message";
 export * from "../schemas/metrics/app_event";
 export * from "../schemas/metrics/pwa_event";
 export * from "../schemas/user/avatar_data";
-export * from "../schemas/user/credits_data";
-export * from "../schemas/user/credits_history_data";
 export * from "../schemas/user/personality_traits";
 export * from "../schemas/user/recent_memory";
-export * from "../schemas/user/update_profile_request";
 export * from "../schemas/user/user";
-export * from "../schemas/user/user_stats_response";
diff --git a/src/lib/payment/payment_status.ts b/src/lib/payment/payment_status.ts
deleted file mode 100644
index 09501349..00000000
--- a/src/lib/payment/payment_status.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-"use client";
-
-import type { PaymentVipStatusResponse } from "@/data/dto/payment";
-import { getPaymentRepository } from "@/data/repositories/payment_repository";
-import type { Result } from "@/utils";
-
-export function getCurrentVipPaymentStatus(): Promise<
-  Result<PaymentVipStatusResponse>
-> {
-  return getPaymentRepository().getVipStatus();
-}