BIG MOOOOVE to Object Storage 2

app/(dashboard)/settings/migration/page.tsx

@@ -140,7 +140,10 @@ export default function MigrationPage() {
     if (!toMigrate.length) return;
     setMigrating(true);
 
-    for (const file of toMigrate) {
+    // Process in batches of CONCURRENCY to upload multiple files in parallel
+    const CONCURRENCY = 5;
+
+    const migrateOne = async (file: FileEntry) => {
       setStatuses((prev) => new Map(prev).set(file.key, "uploading"));
       try {
         const res = await fetch("/api/admin/migration", {
@@ -151,7 +154,6 @@ export default function MigrationPage() {
         const data = await res.json();
         if (!res.ok) throw new Error(data.error ?? "Upload failed");
         setStatuses((prev) => new Map(prev).set(file.key, "done"));
-        // Mark as synced in the file list
         setFiles((prev) =>
           prev.map((f) => (f.key === file.key ? { ...f, hetznerExists: true } : f))
         );
@@ -161,6 +163,11 @@ export default function MigrationPage() {
           new Map(prev).set(file.key, e instanceof Error ? e.message : "Failed")
         );
       }
+    };
+
+    // Run in batches of CONCURRENCY
+    for (let i = 0; i < toMigrate.length; i += CONCURRENCY) {
+      await Promise.all(toMigrate.slice(i, i + CONCURRENCY).map(migrateOne));
     }
 
     setMigrating(false);