fixed all admin email pages. added admin user info and button on builder page to route to admin page.

app/api/admin/beta-invites/route.ts

@@ -6,7 +6,7 @@ const API_BASE_URL =
 
 // POST /api/admin/beta-invites?dryRun=true&limit=10&tokenMinutes=30
 export async function POST(req: Request) {
-  const token = cookies().get("bb_access_token")?.value;
+  const token = cookies().get("session_token")?.value;
 
   if (!token) {
     return NextResponse.json({ error: "Missing admin token" }, { status: 401 });
@@ -32,4 +32,4 @@ export async function POST(req: Request) {
     status: res.status,
     headers: { "Content-Type": res.headers.get("content-type") ?? "application/json" },
   });
-}
+}