Fix bottom bar clipping on hosted deployment

Use h-dvh (100dvh) instead of h-screen (100vh) so the layout
accounts for browser chrome (address bar, bottom toolbar).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/web/src/App.tsx

@@ -196,7 +196,7 @@ export function App() {
 	}, []);
 
 	return (
-		<div className="flex h-screen flex-col">
+		<div className="flex h-dvh flex-col">
 			<div className="relative mx-auto flex min-h-0 w-full max-w-2xl flex-1 flex-col gap-3 px-4">
 				{!!actionBarAnim.showTopBar && (
 					<div