feat: add xstate state management for user state

Introduce xstate v5 and @xstate/react to manage user authentication and profile state. Implement userMachine with actors for initialization, fetching, and logout operations, along with actions for updating user data and clearing state.

src/data/storage/app/app_storage.ts

@@ -16,9 +16,9 @@
  *   - `recordXxx(today)` 写入 todayString，后续 `canXxx` 在同一天返回 `false`。
  */
 
-import { LocalStorage } from "../local_storage";
 import { Result, type Result as ResultT } from "@/utils/result";
 import { StorageKeys } from "../storage_keys";
+import { LocalStorage } from "@/utils/local-storage";
 
 export class AppStorage {
   private static _ls: LocalStorage | null = null;

src/data/storage/auth/auth_storage.ts

@@ -14,10 +14,10 @@
  *   - `clearAuthData` 顺序清理：loginToken → guestToken → refreshToken，任一失败立即返回
  */
 
-import { LocalStorage } from "../local_storage";
 import { Result, type Result as ResultT } from "@/utils/result";
 import { StorageKeys } from "../storage_keys";
 import type { IAuthStorage } from "./iauth_storage";
+import { LocalStorage } from "@/utils/local-storage";
 
 export class AuthStorage implements IAuthStorage {
   private readonly ls: LocalStorage;

src/data/storage/chat/chat_storage.ts

@@ -18,13 +18,13 @@
 import {
   GuestChatQuotaSchema,
   type GuestChatQuotaData,
-} from "@/data/services/schemas/chat/guest_chat_quota";
+} from "@/data/schemas/chat/guest_chat_quota";
 import { z } from "zod";
 
-import { LocalStorage } from "../local_storage";
 import { type Result as ResultT } from "@/utils/result";
 import { StorageKeys } from "../storage_keys";
 import type { IChatStorage } from "./ichat_storage";
+import { LocalStorage } from "@/utils/local-storage";
 
 export class ChatStorage implements IChatStorage {
   private readonly ls: LocalStorage;

src/data/storage/chat/ichat_storage.ts

@@ -12,7 +12,7 @@
  */
 
 import type { Result } from "@/utils/result";
-import type { GuestChatQuotaData } from "@/data/services/schemas/chat/guest_chat_quota";
+import type { GuestChatQuotaData } from "@/data/schemas/chat/guest_chat_quota";
 
 export interface IChatStorage {
   getGuestDailyChatQuota(): Promise<Result<GuestChatQuotaData | null>>;

src/data/storage/user/iuser_storage.ts

@@ -12,7 +12,7 @@
  */
 
 import type { Result } from "@/utils/result";
-import type { UserData } from "@/data/services/schemas/user/user";
+import type { UserData } from "@/data/schemas/user/user";
 
 export interface IUserStorage {
   getUser(): Promise<Result<UserData | null>>;

src/data/storage/user/user_storage.ts

@@ -15,11 +15,11 @@
  *   - 单例挂在 class 静态字段，HMR 复用安全
  */
 
-import { UserSchema, type UserData } from "@/data/services/schemas/user/user";
-import { LocalStorage } from "../local_storage";
+import { UserSchema, type UserData } from "@/data/schemas/user/user";
 import { type Result as ResultT } from "@/utils/result";
 import { StorageKeys } from "../storage_keys";
 import type { IUserStorage } from "./iuser_storage";
+import { LocalStorage } from "@/utils/local-storage";
 
 export class UserStorage implements IUserStorage {
   private readonly ls: LocalStorage;