diff --git a/src/app/api/local-coding/stats/route.ts b/src/app/api/local-coding/stats/route.ts
index 37e03bd45..daf10977a 100644
--- a/src/app/api/local-coding/stats/route.ts
+++ b/src/app/api/local-coding/stats/route.ts
@@ -27,7 +27,7 @@ export async function GET(req: NextRequest) {
 
   const { searchParams } = new URL(req.url);
   const rawDays = parseInt(searchParams.get("days") || "30", 10);
-  const days = validateDays(isNaN(rawDays) ? DEFAULT_DAYS : rawDays);
+  const days = validateDays(Number.isNaN(rawDays) ? DEFAULT_DAYS : rawDays);
   const fromDate = new Date();
   fromDate.setDate(fromDate.getDate() - days);
   const fromDateStr = fromDate.toISOString().slice(0, 10);
diff --git a/src/app/api/metrics/streak/route.ts b/src/app/api/metrics/streak/route.ts
index f3d1ccb2f..da68afb27 100644
--- a/src/app/api/metrics/streak/route.ts
+++ b/src/app/api/metrics/streak/route.ts
@@ -137,7 +137,7 @@ async function checkAndRecordMilestone(
     dispatchToAllWebhooks(userId, "streak.milestone", {
       streakCount: currentStreak,
       achievedAt: new Date().toISOString(),
-    }).catch(() => {});
+    }).catch( => console.error());
   }
 }
 
diff --git a/src/app/api/project-tutor/route.ts b/src/app/api/project-tutor/route.ts
index a9d803b15..e71433c1a 100644
--- a/src/app/api/project-tutor/route.ts
+++ b/src/app/api/project-tutor/route.ts
@@ -163,4 +163,5 @@ Give a clear, concise answer focused on interview preparation. Keep it under 200
     console.error("Project tutor error:", error);
     return NextResponse.json({ error: "Something went wrong" }, { status: 500 });
   }
-}
\ No newline at end of file
+}
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file