feat: implement file deletion functionality and enhance deployment script

frontend/app/files/[token]/page.tsx

@@ -1,7 +1,9 @@
 import Link from "next/link";
 import { getFile } from "@/lib/store";
 import { notFound } from "next/navigation";
+import { getSession } from "@/lib/session";
 import CopyLinkButton from "./CopyLinkButton";
+import DeleteFileButton from "./DeleteFileButton";
 
 function formatBytes(n: number) {
   if (n < 1024) return `${n} B`;
@@ -24,8 +26,9 @@ export default async function FileDetailPage({
   params: Promise<{ token: string }>;
 }) {
   const { token } = await params;
-  const record = await getFile(token);
+  const [record, session] = await Promise.all([getFile(token), getSession()]);
   if (!record) notFound();
+  const isAdmin = session?.role === "admin";
 
   const isBackerup = record.type === "backerup";
   const downloadUrl = `/api/files/${token}/download`;
@@ -138,6 +141,10 @@ export default async function FileDetailPage({
 
         <CopyLinkButton token={token} />
 
+        {isAdmin && (
+          <DeleteFileButton token={token} name={title} />
+        )}
+
         <Link
           href="/browse"
           className="flex w-full items-center justify-center gap-2 rounded-xl border border-white/8 bg-white/3 py-3 text-sm font-medium text-slate-400 hover:text-white hover:bg-white/6 transition-all"