upgraded to next 15 and react 19.

app/api/admin/email/[id]/route.ts

@@ -5,20 +5,22 @@ const API_BASE_URL =
   process.env.API_BASE_URL || process.env.NEXT_PUBLIC_API_BASE_URL;
 
 async function getAuthHeader() {
-  const token = cookies().get("session_token")?.value;
+  const cookieStore = await cookies();
+  const token = cookieStore.get("session_token")?.value;
   if (!token) throw new Error("Unauthorized");
   return { Authorization: `Bearer ${token}` };
 }
 
 export async function PUT(
   request: NextRequest,
-  { params }: { params: { id: string } }
+  { params }: { params: Promise<{ id: string }> }
 ) {
   try {
+    const resolvedParams = await params;
     const headers = await getAuthHeader();
     const body = await request.json();
 
-    const res = await fetch(`${API_BASE_URL}/api/email/${params.id}`, {
+    const res = await fetch(`${API_BASE_URL}/api/email/${resolvedParams.id}`, {
       method: "PUT",
       headers: { ...headers, "Content-Type": "application/json" },
       body: JSON.stringify(body),
@@ -39,12 +41,13 @@ export async function PUT(
 
 export async function DELETE(
   request: NextRequest,
-  { params }: { params: { id: string } }
+  { params }: { params: Promise<{ id: string }> }
 ) {
   try {
+    const resolvedParams = await params;
     const headers = await getAuthHeader();
 
-    const res = await fetch(`${API_BASE_URL}/api/email/${params.id}`, {
+    const res = await fetch(`${API_BASE_URL}/api/email/${resolvedParams.id}`, {
       method: "DELETE",
       headers,
     });