Unify the dashboard experience and retire the multi-theme engine so onboarding and day-to-day invoicing feel consistent and easier to maintain.

Shared layout, tabs, and sidebar timer; user onboarding and registration polish; settings danger zone and data export; chart and tRPC perf fixes; migrations for onboarding and dropped appearance columns.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/components/marketing/browser-frame.tsx

@@ -1,9 +1,10 @@
+import { getAppHost } from "~/lib/app-url";
 import { cn } from "~/lib/utils";
 
 export function BrowserFrame({
   children,
   className,
-  url = "beenvoice.app/dashboard",
+  url = `${getAppHost()}/dashboard`,
 }: {
   children: React.ReactNode;
   className?: string;