diff --git a/app/api/reviews/route.ts b/app/api/reviews/route.ts
index 51c6f2779..cfae4c478 100644
--- a/app/api/reviews/route.ts
+++ b/app/api/reviews/route.ts
@@ -185,3 +185,5 @@ export async function POST(req: Request) {
     );
   }
 }
+
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file
diff --git a/app/api/streak/live/route.ts b/app/api/streak/live/route.ts
index b7745f720..1f979fb8d 100644
--- a/app/api/streak/live/route.ts
+++ b/app/api/streak/live/route.ts
@@ -16,7 +16,7 @@ export async function GET(request: Request) {
   let interval = 30; // default 30s
   if (intervalParam) {
     const parsed = parseInt(intervalParam, 10);
-    if (!isNaN(parsed)) {
+    if (!Number.isNaN(parsed)) {
       interval = Math.max(30, Math.min(parsed, 300));
     }
   }
diff --git a/context/TranslationContext.tsx b/context/TranslationContext.tsx
index d23d9549f..5dfaadf39 100644
--- a/context/TranslationContext.tsx
+++ b/context/TranslationContext.tsx
@@ -59,7 +59,7 @@ const getNestedValue = (
   obj: Record<string, unknown> | null | undefined,
   path: string
 ): string | undefined => {
-  if (!obj) return undefined;
+  if (!obj) return;
   const parts = path.split('.');
   let current: unknown = obj;
   for (const part of parts) {