fix(ui): align bento grid images to start page & optimize performance

- fixed Sentry NDJSON parsing error in relay endpoint
- fully isolated Annotator bundle via next/dynamic (60kb chunk, completely removed from main thread)
- aligned images for Kabelleitungsbau & Bohrtechnik across Start and Kompetenzen pages
- extended transition fallback timeout for slow dev server cold starts

components/providers/TransitionProvider.tsx

@@ -60,7 +60,7 @@ export function TransitionProvider({ children }: { children: ReactNode }) {
     setTimeout(() => {
       router.push(href);
       
-      // Fallback: If for some reason the route doesn't change after 5 seconds, open the shutter anyway
+      // Fallback: If for some reason the route doesn't change after 60 seconds (useful for slow dev servers), open the shutter anyway
       setTimeout(() => {
         setIsTransitioning((current) => {
           if (current) {
@@ -69,7 +69,7 @@ export function TransitionProvider({ children }: { children: ReactNode }) {
           }
           return current;
         });
-      }, 5000);
+      }, 60000);
     }, 700);
   }, [isTransitioning, router]);