refactor(auth): extract helpers and actors out of auth-machine
Move the file-local Helpers block (readGuestId) to auth-helpers.ts and the Actors block (authRepo + 7 fromPromise actors) to auth-actors.ts. Public API (authMachine, AuthEvent, AuthState, initialState, AuthMachine) is unchanged; auth-context.tsx and the barrel index.ts need no edits.
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+13
-168
@@ -7,185 +7,30 @@
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* 业务层只派发事件（`AuthEmailLoginSubmitted` / `AuthGoogleLoginSubmitted` / 等），
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* 状态机通过 actors 调 `authRepository`（邮箱 / OAuth token sync）或
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* `next-auth/react.signIn`（OAuth 跳转）。
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*
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* 异步服务（actors）已抽到 `./auth-actors`，小工具抽到 `./auth-helpers`。
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*/
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import { setup, fromPromise, assign } from "xstate";
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import { setup, assign } from "xstate";
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import { AuthPlatform, type AuthProvider } from "@/lib/auth/auth_platform";
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import type { LoginStatus } from "@/models/auth/login-status";
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import { authRepository } from "@/data/repositories/auth_repository";
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import type { IAuthRepository } from "@/data/repositories/interfaces";
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import { AuthStorage } from "@/data/storage/auth/auth_storage";
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import { deviceIdentifier } from "@/utils/device_identifier";
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import { Result } from "@/utils/result";
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import type { AuthProvider } from "@/lib/auth/auth_platform";
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import { AuthState, initialState } from "./auth-state";
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import type { AuthEvent } from "./auth-events";
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import {
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emailLoginActor,
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emailRegisterThenLoginActor,
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oauthSignInActor,
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syncGoogleBackendActor,
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syncFacebookBackendActor,
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guestLoginActor,
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checkAuthStatusActor,
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} from "./auth-actors";
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// 重新导出 State / Event 类型，保持 machine 文件的公共 API 不变
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export type { AuthState } from "./auth-state";
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export { initialState } from "./auth-state";
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export type { AuthEvent } from "./auth-events";
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// ============================================================
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// Helpers
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// ============================================================
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async function readGuestId(): Promise<string | undefined> {
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const r = await AuthStorage.getInstance().getDeviceId();
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if (r.success && r.data != null) {
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return r.data;
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}
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return undefined;
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}
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// ============================================================
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// Actors（异步服务）
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// ============================================================
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// 仓库以接口类型注入：调用面只看接口，运行时仍是同一单例
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const authRepo: IAuthRepository = authRepository;
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const emailLoginActor = fromPromise<LoginStatus, { email: string; password: string }>(
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async ({ input }) => {
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const guestId = await readGuestId();
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const result = await authRepo.emailLogin({ ...input, guestId });
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if (Result.isErr(result)) throw result.error;
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return "email" as LoginStatus;
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},
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);
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const emailRegisterThenLoginActor = fromPromise<
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LoginStatus,
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{ email: string; password: string; username: string; confirmPassword: string }
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>(async ({ input }) => {
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const guestId = await readGuestId();
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const registerResult = await authRepo.register({ ...input, guestId });
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if (Result.isErr(registerResult)) throw registerResult.error;
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// 注册后自动登录（对齐 Dart 行为）
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const loginResult = await authRepo.emailLogin({
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email: input.email,
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password: input.password,
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guestId,
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});
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if (Result.isErr(loginResult)) throw loginResult.error;
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return "email" as LoginStatus;
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});
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// OAuth 登录 actor：调 AuthPlatform 触发 OAuth 跳转。
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// 成功路径下 NextAuth 会重定向离开本应用，actor 通常不会 resolve；
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// onDone 仍保留以处理 SDK 同步返回（极少见）。
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const oauthSignInActor = fromPromise<void, AuthProvider>(async ({ input }) => {
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if (input === "google") {
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await AuthPlatform.googleSignIn();
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} else {
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await AuthPlatform.facebookSignIn();
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}
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});
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// ========== OAuth token → 后端业务 token sync actors ==========
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// 由 <OAuthSessionSync /> 在 NextAuth 回调后派发（监听 useSession()）。
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// 用 OAuth provider 的 idToken / accessToken 调后端换业务 token + user。
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// 后端返回的 LoginResponse 已经被 authRepository._saveLoginData 持久化。
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const syncGoogleBackendActor = fromPromise<LoginStatus, { idToken: string }>(
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async ({ input }) => {
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const guestId = await readGuestId();
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const result = await authRepo.googleLogin({
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idToken: input.idToken,
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guestId,
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});
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if (Result.isErr(result)) throw result.error;
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return "google" as LoginStatus;
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},
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);
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const syncFacebookBackendActor = fromPromise<
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LoginStatus,
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{ accessToken: string }
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>(async ({ input }) => {
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const guestId = await readGuestId();
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const result = await authRepo.facebookLogin({
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accessToken: input.accessToken,
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guestId,
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});
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if (Result.isErr(result)) throw result.error;
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return "facebook" as LoginStatus;
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});
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// ========== 显式游客登录 actor（opt-in） ==========
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// 由 splash UI 派发 `AuthGuestLoginSubmitted` 触发，**不**自动跑。
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// 取代了之前 checkAuthStatusActor 的 auto-guest-login 行为 —— 避免每次
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// 访 splash 都自动创建游客账号污染后端。
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//
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// 短路优化：本地已有 guestToken 时直接 return "guest"，跳过 deviceId
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// 探测 + 后端 round-trip（splash 每打开一次就可能点一次 Skip，命中率高）。
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// 已知 trade-off：若后端已吊销该 token，actor 仍返回 "guest" —— 任何后续
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// 受保护 API 401 会由 HTTP 层清掉 token 回到 splash，无需在此处主动校验。
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const guestLoginActor = fromPromise<LoginStatus, void>(async () => {
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console.log("[auth-machine] guestLoginActor ENTRY");
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// 1. 先查本地 guestToken —— 已有就直接进 idle（带 pendingRedirect）
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const hasTokenR = await AuthStorage.getInstance().hasGuestToken();
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console.log("[auth-machine] guestLoginActor hasGuestToken", {
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success: hasTokenR.success,
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hasData: hasTokenR.success ? !!hasTokenR.data : null,
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});
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if (hasTokenR.success && hasTokenR.data) {
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console.log("[auth-machine] guestLoginActor SHORT-CIRCUIT (has local guestToken) → return guest");
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return "guest" as LoginStatus;
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}
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// Result.err(_) 时**不**抛 —— 落到 API 路径让真正的错误信号出现
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// 2. 没有（或读不出）才走完整流程：拿 deviceId → 调后端
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const deviceId = await deviceIdentifier.getDeviceId();
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console.log("[auth-machine] guestLoginActor deviceId", {
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length: deviceId.length,
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prefix: deviceId.slice(0, 8),
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});
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console.log("[auth-machine] guestLoginActor calling authRepository.guestLogin");
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const result = await authRepository.guestLogin(deviceId);
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console.log("[auth-machine] guestLoginActor authRepository.guestLogin DONE", {
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success: result.success,
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hasData: result.success ? !!result.data : null,
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errorName: result.success ? null : result.error?.name,
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errorMessage: result.success ? null : result.error?.message,
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});
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if (Result.isErr(result)) throw result.error;
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return "guest" as LoginStatus;
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});
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// ========== 启动 / 恢复时检查登录态 actor（只查不创） ==========
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// 由 <AuthStatusChecker /> 在 mount 时派发（一次性）。
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// 流程（**纯只读**）：
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// 1. deviceIdentifier.getDeviceId() —— 无则通过 fingerprintjs 生成 + 落盘
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// （给后续 OAuth/email 登录准备 deviceId，**不**在 splash 首次访问就 auto-create 游客）
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// 2. AuthStorage.getLoginToken() —— 有 → "email"
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// 3. AuthStorage.getGuestToken() —— 有 → "guest"
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// 4. 都没有 → "notLoggedIn"（让用户**显式**选 OAuth / Email / Guest 入口）
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const checkAuthStatusActor = fromPromise<LoginStatus, void>(async () => {
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// 1. 拿 deviceId（**不**用于 auto-guest-login，仅供后续登录用）
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await deviceIdentifier.getDeviceId();
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const storage = AuthStorage.getInstance();
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// 2. 查 loginToken
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const loginTokenR = await storage.getLoginToken();
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if (loginTokenR.success && loginTokenR.data) {
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return "email" as LoginStatus;
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}
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// 3. 查 guestToken
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const guestTokenR = await storage.getGuestToken();
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if (guestTokenR.success && guestTokenR.data) {
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return "guest" as LoginStatus;
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}
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// 4. 都没有 → "notLoggedIn"（保持 splash 页面 + 登录入口）
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return "notLoggedIn" as LoginStatus;
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});
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// ============================================================
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// Machine
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//
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