feat: add route constant

app/new-analysis/page.tsx

@@ -7,19 +7,21 @@ import { type SessionContext, saveSession } from "@/lib/api"
 import { TrendingUp } from "lucide-react"
 import { PageHeader } from "@/components/page-header"
 import { PoweredBy } from "@/components/powered-by"
+import { ROUTES } from "@/utils/routes"
 
 const ProjectSelectionSection = dynamic(
     () => import("@/components/project-selection-section").then(mod => mod.ProjectSelectionSection),
     { ssr: false }
 )
 
+
 export default function NewAnalysisPage() {
     const router = useRouter()
 
     const handleSelectionComplete = (session: SessionContext) => {
         // Save session to storage and navigate to upload page
         saveSession(session)
-        router.push("/upload")
+        router.push(ROUTES.UPLOAD)
     }
 
     return (