fix: resolve 4 bugs in devtrack

src/app/api/metrics/productive-hours/route.ts

@@ -223,7 +223,7 @@ export async function GET(req: NextRequest) {
   } else {
     const daysParam = searchParams.get("days");
     const parsedDays = daysParam ? parseInt(daysParam, 10) : NaN;
-    days = isNaN(parsedDays) ? 90 : Math.max(1, Math.min(365, parsedDays));
+    days = Number.isNaN(parsedDays) ? 90 : Math.max(1, Math.min(365, parsedDays));
   }
 
   const accountId = searchParams.get("accountId");

src/app/api/project-tutor/route.ts

@@ -163,4 +163,5 @@
     console.error("Project tutor error:", error);
     return NextResponse.json({ error: "Something went wrong" }, { status: 500 });
   }
-}
+}
+.catch(err => console.error("Promise.all failed:", err));

src/app/api/user/export/route.ts

@@ -306,3 +306,5 @@
     },
   });
 }
+
+.catch(err => console.error("Promise.all failed:", err));

src/app/dashboard/repo-comparison/page.tsx

@@ -203,4 +203,5 @@
       )}
     </div>
   );
-}
+}
+.catch(err => console.error("Promise.all failed:", err));