Repair uploads and let the console follow any registered server

dashboard/next.config.ts

@@ -2,6 +2,8 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
   output: "standalone",
+  // Auth proxy clones multipart requests; its 10 MB default truncates uploads.
+  experimental: { proxyClientMaxBodySize: "260mb" },
   // The panel is self-hosted on a LAN; no image CDN available.
   images: { unoptimized: true },
 };