refactor: move ROUTES from @/lib/routes to @/router/routes

src/app/auth/components/auth-screen.tsx

@@ -17,7 +17,7 @@ import { useAuthState, useAuthDispatch } from "@/stores/auth/auth-context";
 import { useChatDispatch } from "@/stores/chat/chat-context";
 import { useUserDispatch } from "@/stores/user/user-context";
 import { useAuthGate } from "@/lib/auth/nextauth";
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 import { MobileShell } from "@/app/_components/core/mobile-shell";
 import { AuthPanel } from "@/app/auth/components/auth-panel";
 

src/app/chat/components/chat-header.tsx

@@ -11,7 +11,7 @@
 import { useRouter } from "next/navigation";
 import { useState } from "react";
 
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 
 import { ChatMenuBar } from "./chat-menu-bar";
 import styles from "./chat-header.module.css";

src/app/chat/components/chat-menu-bar.tsx

@@ -18,7 +18,7 @@
 import { useRouter } from "next/navigation";
 import { useEffect, useRef } from "react";
 
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 import { SpAsyncUtil } from "@/utils/storage";
 import { useAuthDispatch } from "@/stores/auth/auth-context";
 import { useUserDispatch } from "@/stores/user/user-context";

src/app/chat/components/quota-dialog.tsx

@@ -10,7 +10,7 @@
  */
 import { useRouter } from "next/navigation";
 
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 
 import styles from "./quota-dialog.module.css";
 

src/app/chat/deviceid/[deviceId]/DeepLinkPersist.tsx

@@ -21,7 +21,7 @@ import { useRouter } from "next/navigation";
 
 import { AuthStorage } from "@/data/storage/auth/auth_storage";
 import { StorageKeys } from "@/data/storage/storage_keys";
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 
 interface DeepLinkPersistProps {
   deviceId: string;

src/app/error.tsx

@@ -13,7 +13,7 @@
 import { useEffect } from "react";
 import Link from "next/link";
 
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 
 interface ErrorProps {
   error: Error & { digest?: string };

src/app/layout.tsx

@@ -1,7 +1,7 @@
 import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 import localFont from "next/font/local";
-import { SessionProvider } from "next-auth/react";
+import { SessionProvider } from "@/providers/session-provider";
 import "./globals.css";
 
 import { RootProviders } from "@/providers/root-providers";

src/app/not-found.tsx

@@ -7,7 +7,7 @@
 
 import Link from "next/link";
 
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 
 export default function NotFound() {
   return (

src/app/page.tsx

@@ -11,7 +11,7 @@
 
 import { redirect } from "next/navigation";
 
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 
 export default function Home() {
   redirect(ROUTES.splash);

src/app/splash/components/splash-button.tsx

@@ -21,7 +21,7 @@ import { useAuthState, useAuthDispatch } from "@/stores/auth/auth-context";
 import { useChatDispatch } from "@/stores/chat/chat-context";
 import { useUserDispatch } from "@/stores/user/user-context";
 import { facebookLogin, useAuthGate } from "@/lib/auth/nextauth";
-import { ROUTES } from "@/lib/routes";
+import { ROUTES } from "@/router/routes";
 import { LoadingIndicator } from "@/app/_components/core/loading-indicator";
 import styles from "./splash-button.module.css";
 

src/lib/index.ts

@@ -4,7 +4,10 @@
  * 注意：故意**不**把 `src/lib/auth/nextauth.ts`（Client-only）放进来，
  * 避免 Server bundle 误把 React 客户端代码拉进去。
  * 如需导入，请直接 `import { ... } from "@/lib/auth/nextauth";`。
+ *
+ * 注：路由相关常量已迁移至 `@/router`（`src/router/routes.ts`）。
+ *       路由守卫已迁移至 `@/router/proxy`（`src/router/proxy.ts`）。
  */
 
-export * from "./routes";
+export * from "./breakpoints";
 export * from "./auth/nextauth-helpers";

src/providers/session-provider.tsx

@@ -0,0 +1,16 @@
+"use client";
+/**
+ * SessionProvider 客户端包装
+ *
+ * 背景：next-auth v4 的 `SessionProvider`（从 `next-auth/react` 导出）
+ * **没有** `"use client"` 指令。这是 v4 的历史遗留（v5 / Auth.js 已修正）。
+ *
+ * 当 Server Component（如 `src/app/layout.tsx`）直接 import 时，Next.js
+ * 不会自动把它当 client component 渲染，会继续在服务端 tree 里执行，导致
+ * `useContext` / `useState` 报错：
+ *   "Error: React Context is unavailable in Server Components"
+ *
+ * 修复：新建一个显式 `"use client"` 的 wrapper，re-export `SessionProvider`。
+ * 这样 Server Component 看到的入口是 `"use client"`，会触发 RSC 边界。
+ */
+export { SessionProvider } from "next-auth/react";

src/router/index.ts

@@ -0,0 +1,14 @@
+/**
+ * Router 公共导出
+ *
+ * 集中管理：
+ *  - 路由常量（ROUTES、ROUTE_BUILDERS、AUTH_ONLY_ROUTES、PUBLIC_ROUTES、ALL_STATIC_ROUTES）
+ *  - Next.js 16 Proxy（CDN 端鉴权重定向）
+ *
+ * 业务层导入示例：
+ *   ```ts
+ *   import { ROUTES, AUTH_ONLY_ROUTES, type Route } from "@/router";
+ *   ```
+ */
+export * from "./routes";
+export { proxy, config as proxyConfig } from "./proxy";

src/router/proxy.ts

@@ -27,7 +27,7 @@ import {
   AUTH_ONLY_ROUTES,
   ROUTES,
   type StaticRoute,
-} from "@/lib/routes";
+} from "@/router/routes";
 
 const SESSION_COOKIE_NAMES = [
   "next-auth.session-token",