Add ROM upload, local table library, engine bump, and UX/responsiveness fixes

- Bump @valknar/vpinball-wasm to 0.3.2 (PinMAME ROM support, MsgBox fix)
- Add optional PinMAME ROM .zip upload alongside .vpx tables
- Persist uploaded tables/ROMs in IndexedDB so users don't have to
  re-upload on later visits, with a library list on the landing page
- Fix Insert Coin key mismatch with the engine's real coin-door gating
  (now bound to 4, matching the shared table scripts) and surface it
  in the controls legend and "Tap to Start" hint
- Make the landing page, staging panel, and in-game HUD responsive for
  portrait phone widths; drop the landscape hint since portrait plays fine
- Replace the separate STATS HUD toggle with an FPS row in the info panel

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N9JmzRBZenapVkFWjw9jmG

app/page.tsx

@@ -1,12 +1,11 @@
 import AttractHero from "@/components/landing/AttractHero";
+import TableLibrary from "@/components/landing/TableLibrary";
 
 export default function Home() {
   return (
     <main className="flex flex-1 flex-col items-center justify-center gap-8 px-4 py-16">
       <AttractHero />
-      <p className="max-w-lg text-center font-mono text-xs text-chrome sm:hidden">
-        Pinball plays best in landscape or fullscreen — rotate your device once a table loads.
-      </p>
+      <TableLibrary />
       <footer className="font-mono text-xs text-chrome/70">
         Powered by{" "}
         <a