diff --git a/app/achievements/AchievementsClient.tsx b/app/achievements/AchievementsClient.tsx
index 38c35dc8b..53efb8474 100644
--- a/app/achievements/AchievementsClient.tsx
+++ b/app/achievements/AchievementsClient.tsx
@@ -236,7 +236,7 @@ export function UnlockCelebration({
       );
       if (!focusable || focusable.length === 0) return;
       const first = focusable[0];
-      const last = focusable[focusable.length - 1];
+      const last = focusable.at(-1);
       if (event.shiftKey && document.activeElement === first) {
         event.preventDefault();
         last.focus();
diff --git a/app/api/architecture/route.ts b/app/api/architecture/route.ts
index 82d9ae0ab..21a7bbb19 100644
--- a/app/api/architecture/route.ts
+++ b/app/api/architecture/route.ts
@@ -737,3 +737,5 @@ export async function POST(req: NextRequest) {
     decrementClones(ip);
   }
 }
+
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file
diff --git a/app/api/webhooks/github/route.ts b/app/api/webhooks/github/route.ts
index 865ad6fd1..32983cb72 100644
--- a/app/api/webhooks/github/route.ts
+++ b/app/api/webhooks/github/route.ts
@@ -135,3 +135,5 @@ export async function POST(req: Request) {
 
   return NextResponse.json({ success: true, username, revalidated: true }, { status: 200 });
 }
+
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file