feat: add route constant

app/results/[videoId]/page.tsx

@@ -15,6 +15,7 @@ import {
 } from "@/lib/api"
 import { getVideoFile, clearVideoFile } from "@/lib/video-storage"
 import { DetectionData, DetectionType } from "@/lib/types"
+import { ROUTES } from "@/utils/routes"
 
 const API_URL = process.env.NEXT_PUBLIC_API_URL
 
@@ -82,7 +83,7 @@ export default function VideoResultsPage() {
             }
         }
         clearSession()
-        router.push("/new-analysis")
+        router.push(ROUTES.NEW_ANALYSIS)
     }
 
     const getTitle = () => {
@@ -108,8 +109,8 @@ export default function VideoResultsPage() {
                 <div className="flex flex-col items-center gap-4 p-8 rounded-2xl bg-white/80 dark:bg-gray-800/80 backdrop-blur-xl shadow-lg text-center">
                     <p className="text-red-500 font-medium">{error}</p>
                     <div className="flex gap-4 mt-4">
-                        <Button onClick={() => router.push("/upload")} variant="outline">Back to Upload</Button>
-                        <Button onClick={handleNewAnalysis} className="bg-gradient-to-r from-indigo-500 to-purple-600 text-white">New Analysis</Button>
+                        <Button onClick={() => router.push(ROUTES.UPLOAD)} variant="outline">Back to Upload</Button>
+                        <Button onClick={handleNewAnalysis} className="bg-linear-to-r from-indigo-500 to-purple-600 text-white">New Analysis</Button>
                     </div>
                 </div>
             </div>