diff --git a/frontend/app/(protected)/layout.jsx b/frontend/app/(protected)/layout.jsx
index 245a7b6c..3b7fedba 100755
--- a/frontend/app/(protected)/layout.jsx
+++ b/frontend/app/(protected)/layout.jsx
@@ -1,16 +1,44 @@
 // frontend/app/(protected)/layout.jsx
 import Link from "next/link";
 import { redirect } from "next/navigation";
-import { getSession } from "@/lib/auth";
+import { cookies, headers } from "next/headers";
 import { can } from "@/lib/rbac";
 
 export const metadata = { title: "DMS | Protected" };
 
+const API_BASE = (process.env.NEXT_PUBLIC_API_BASE || "").replace(/\/$/, "");
+
+async function fetchSessionFromAPI() {
+  const cookieStore = await cookies();                 // ✅ ต้อง await
+  const cookieHeader = cookieStore.toString();
+  const hdrs = await headers();                        // ✅ ต้อง await
+  const hostHdr = hdrs.get("host");
+  const protoHdr = hdrs.get("x-forwarded-proto") || "https";
+
+  const res = await fetch(`${API_BASE}/api/auth/me`, {
+    method: "GET",
+    headers: {
+      Cookie: cookieHeader,
+      "X-Forwarded-Host": hostHdr || "",
+      "X-Forwarded-Proto": protoHdr,
+      Accept: "application/json",
+    },
+    cache: "no-store",
+  });
+
+  if (!res.ok) return null;
+  try {
+    const data = await res.json();
+    return data?.ok ? data : null;
+  } catch {
+    return null;
+  }
+}
+
 export default async function ProtectedLayout({ children }) {
-  // ตรวจ session ฝั่งเซิร์ฟเวอร์ ด้วยคุกกี้จริง
-  const session = await getSession();
+  const session = await fetchSessionFromAPI();
   if (!session) {
-    redirect("/login");
+    redirect("/login?next=/dashboard");
   }
   const { user } = session;
 
@@ -23,73 +51,17 @@ export default async function ProtectedLayout({ children }) {
           </div>
 
           <nav className="space-y-2">
-            <Link
-              className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-              href="/dashboard"
-            >
-              แดชบอร์ด
-            </Link>
-            <Link
-              className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-              href="/drawings"
-            >
-              Drawings
-            </Link>
-            <Link
-              className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-              href="/rfas"
-            >
-              RFAs
-            </Link>
-            <Link
-              className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-              href="/transmittals"
-            >
-              Transmittals
-            </Link>
-            <Link
-              className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-              href="/correspondences"
-            >
-              Correspondences
-            </Link>
-            <Link
-              className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-              href="/contracts-volumes"
-            >
-              Contracts & Volumes
-            </Link>
-            <Link
-              className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-              href="/reports"
-            >
-              Reports
-            </Link>
+            <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/dashboard">แดชบอร์ด</Link>
+            <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/drawings">Drawings</Link>
+            <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/rfas">RFAs</Link>
+            <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/transmittals">Transmittals</Link>
+            <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/correspondences">Correspondences</Link>
+            <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/contracts-volumes">Contracts & Volumes</Link>
+            <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/reports">Reports</Link>
 
-            {can(user, "workflow:view") && (
-              <Link
-                className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-                href="/workflow"
-              >
-                Workflow (n8n)
-              </Link>
-            )}
-            {can(user, "health:view") && (
-              <Link
-                className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-                href="/health"
-              >
-                Health
-              </Link>
-            )}
-            {can(user, "users:manage") && (
-              <Link
-                className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white"
-                href="/users"
-              >
-                ผู้ใช้/บทบาท
-              </Link>
-            )}
+            {can(user, "workflow:view") && <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/workflow">Workflow (n8n)</Link>}
+            {can(user, "health:view") && <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/health">Health</Link>}
+            {can(user, "users:manage") && <Link className="block px-4 py-2 rounded-xl bg-white/60 hover:bg-white" href="/users">ผู้ใช้/บทบาท</Link>}
           </nav>
         </div>
       </aside>
@@ -98,81 +70,17 @@ export default async function ProtectedLayout({ children }) {
         {/* System / Quick Actions */}
         <div className="flex items-center gap-2">
           <div className="flex-1 text-lg font-semibold">
-            Document Management System — LCP3 Phase 3
+            Document Management System — LCBP3 Phase 3
           </div>
 
-          {can(user, "admin:view") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/admin"
-            >
-              Admin
-            </a>
-          )}
-          {can(user, "users:manage") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/users"
-            >
-              ผู้ใช้/บทบาท
-            </a>
-          )}
-          {can(user, "health:view") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/health"
-            >
-              Health
-            </a>
-          )}
-          {can(user, "workflow:view") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/workflow"
-            >
-              Workflow
-            </a>
-          )}
-          {can(user, "rfa:create") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/rfas/new"
-            >
-              + RFA
-            </a>
-          )}
-          {can(user, "drawing:upload") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/drawings/upload"
-            >
-              + Upload Drawing
-            </a>
-          )}
-          {can(user, "transmittal:create") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/transmittals/new"
-            >
-              + Transmittal
-            </a>
-          )}
-          {can(user, "correspondence:create") && (
-            <a
-              className="px-3 py-2 text-white rounded-xl"
-              style={{ background: "#0D5C75" }}
-              href="/correspondences/new"
-            >
-              + หนังสือสื่อสาร
-            </a>
-          )}
+          {can(user, "admin:view") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/admin">Admin</a>}
+          {can(user, "users:manage") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/users">ผู้ใช้/บทบาท</a>}
+          {can(user, "health:view") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/health">Health</a>}
+          {can(user, "workflow:view") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/workflow">Workflow</a>}
+          {can(user, "rfa:create") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/rfas/new">+ RFA</a>}
+          {can(user, "drawing:upload") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/drawings/upload">+ Upload Drawing</a>}
+          {can(user, "transmittal:create") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/transmittals/new">+ Transmittal</a>}
+          {can(user, "correspondence:create") && <a className="px-3 py-2 text-white rounded-xl" style={{ background: "#0D5C75" }} href="/correspondences/new">+ หนังสือสื่อสาร</a>}
         </div>
 
         {children}