feat: enhance components and layouts

- fix: prevent code components from growing width during animation
- feat: enforce 100% width on browser frames (CodeWindow)
- feat: remove "Zurück" links project-wide from PageHeader
- feat: enable imgproxy face detection support for about page avatar

apps/web/src/components/Effects/CodeWindow.tsx

@@ -28,7 +28,7 @@ export const CodeWindow: React.FC<CodeWindowProps> = ({
   return (
     <div
       className={cn(
-        "relative rounded-xl border border-slate-100 bg-slate-50/50 backdrop-blur-sm overflow-hidden w-full max-w-[600px] mx-auto flex-shrink-0 flex flex-col",
+        "relative rounded-xl border border-slate-100 bg-slate-50/50 backdrop-blur-sm overflow-hidden w-full flex-shrink-0 flex flex-col",
         fixedHeight && "h-[400px]",
         className,
       )}