fix(i18n): render consent banner inside NextIntl provider

Move ConsentBanner rendering into the locale layout so next-intl context is always available (prevents missing provider errors).

fix(activity-feed): use dark styling for disabled state

Avoid white disabled cards so the feed never appears as a white/transparent block after reload.

test(e2e): assert nav text changes on locale switch

Strengthen i18n test to verify translated labels.

Co-authored-by: dennis <dennis@konkol.net>

app/components/ClientProviders.tsx

@@ -7,7 +7,6 @@ import { ToastProvider } from "@/components/Toast";
 import ErrorBoundary from "@/components/ErrorBoundary";
 import { AnalyticsProvider } from "@/components/AnalyticsProvider";
 import { ConsentProvider, useConsent } from "./ConsentProvider";
-import ConsentBanner from "./ConsentBanner";
 
 // Dynamic import with SSR disabled to avoid framer-motion issues
 const BackgroundBlobs = dynamic(() => import("@/components/BackgroundBlobs").catch(() => ({ default: () => null })), {
@@ -105,7 +104,6 @@ function GatedProviders({
       <ToastProvider>
         {mounted && <BackgroundBlobs />}
         <div className="relative z-10">{children}</div>
-        {mounted && !isAdminRoute && <ConsentBanner />}
         {mounted && !is404Page && !isAdminRoute && chatEnabled && <ChatWidget />}
       </ToastProvider>
     </ErrorBoundary>