fix(web): stop shipping 7 MB of sound the console cannot play

`@unom/ui/button` reaches `sound/defaults.js`, which resolves two game-UI sprite
sheets with `new URL(…, import.meta.url)` at module scope — a 4.8 MB .wav and a
2.2 MB .mp3. Vite emitted both into the build, so they rode into the Windows
installer and the .deb. The console never mounts UnomProviders, so no player is
bundled and not one byte of it could ever be played. A build-time rewrite of
those two expressions takes the asset payload from 8.2 MB to 1.5 MB; the login
page and the button chunk are unchanged. Deleting the plugin is the whole revert
if the console ever wants click sounds.

Also:

- `bun run dev` forwards the management bearer, so developing against a real
  host stops 401ing into a /login bounce that dev has no gate to satisfy.
- `check-i18n` runs after `build`, not only inside `codegen`. It exists to stop a
  zero-message console shipping, and the CI job and the installer build both
  install with `--ignore-scripts`, so it had never once run where it mattered.
- Bun's idle timeout goes from its 10 s default to 120 s. The host sends SSE
  keep-alives every 15 s, so anything long-lived proxied through the console was
  cut by us first — which the event stream is about to depend on.
- The typecheck covers the Storybook config and preview.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

web/nitro-entry/bun-https.mjs

@@ -51,8 +51,11 @@ const tls =
 const server = Bun.serve({
 	port: process.env.NITRO_PORT || process.env.PORT || 3000,
 	host: process.env.NITRO_HOST || process.env.HOST,
+	// Bun defaults this to 10 s, which is SHORTER than the host's 15 s SSE keep-alive comment — so a
+	// proxied `/api/v1/events` stream (or any other quiet long-lived response) gets cut by us and
+	// reconnects on a loop. 120 s is comfortably above any keep-alive we forward; still overridable.
 	idleTimeout:
-		Number.parseInt(process.env.NITRO_BUN_IDLE_TIMEOUT, 10) || undefined,
+		Number.parseInt(process.env.NITRO_BUN_IDLE_TIMEOUT, 10) || 120,
 	// `tls: undefined` ⇒ plain HTTP (dev); otherwise HTTPS over HTTP/1.1.
 	tls,
 	websocket: import.meta._websocket ? ws.websocket : undefined,