✨ feat: impl accounts and channels

lib/auth/config.ts

@@ -0,0 +1,43 @@
+import type { NextAuthConfig } from "next-auth";
+
+export const authConfig = {
+  pages: {
+    signIn: "/login",
+    error: "/login",
+  },
+  callbacks: {
+    authorized({ auth, request: { nextUrl } }) {
+      const isLoggedIn = !!auth?.user;
+      const pathname = nextUrl.pathname;
+      const publicPaths = ["/login", "/register", "/api/auth"];
+      const isPublic = publicPaths.some(
+        (path) => pathname === path || pathname.startsWith("/api/auth/")
+      );
+
+      // 已登录用户在登录/注册页时重定向到首页
+      if (isLoggedIn && (pathname === "/login" || pathname === "/register")) {
+        return Response.redirect(new URL("/", nextUrl));
+      }
+
+      // 访问受保护页面必须已登录
+      if (!isLoggedIn && !isPublic) {
+        return false;
+      }
+
+      return true;
+    },
+    jwt({ token, user }) {
+      if (user?.id) {
+        token.id = user.id;
+      }
+      return token;
+    },
+    session({ session, token }) {
+      if (session.user && token.id) {
+        session.user.id = token.id as string;
+      }
+      return session;
+    },
+  },
+  providers: [],
+} satisfies NextAuthConfig;