fix: login suspense + migrate middleware to proxy

src/proxy.ts

@@ -0,0 +1,45 @@
+import { NextResponse } from "next/server"
+import type { NextAuthRequest } from "next-auth"
+
+import { auth } from "./auth"
+
+function roleHome(role: string) {
+  if (role === "admin") return "/admin/dashboard"
+  if (role === "student") return "/student/dashboard"
+  if (role === "parent") return "/parent/dashboard"
+  return "/teacher/dashboard"
+}
+
+export default auth((req: NextAuthRequest) => {
+  const { pathname } = req.nextUrl
+  const session = req.auth
+
+  if (!session?.user) {
+    const url = req.nextUrl.clone()
+    url.pathname = "/login"
+    url.searchParams.set("callbackUrl", pathname)
+    return NextResponse.redirect(url)
+  }
+
+  const role = String(session.user.role ?? "teacher")
+
+  if (pathname.startsWith("/admin/") && role !== "admin") {
+    return NextResponse.redirect(new URL(roleHome(role), req.url))
+  }
+  if (pathname.startsWith("/teacher/") && role !== "teacher") {
+    return NextResponse.redirect(new URL(roleHome(role), req.url))
+  }
+  if (pathname.startsWith("/student/") && role !== "student") {
+    return NextResponse.redirect(new URL(roleHome(role), req.url))
+  }
+  if (pathname.startsWith("/parent/") && role !== "parent") {
+    return NextResponse.redirect(new URL(roleHome(role), req.url))
+  }
+
+  return NextResponse.next()
+})
+
+export const config = {
+  matcher: ["/dashboard", "/admin/:path*", "/teacher/:path*", "/student/:path*", "/parent/:path*", "/settings/:path*", "/profile"],
+}
+