fix: validate ID parsing in API routes and player pages for Prisma v7

src/app/players/[id]/profile/page.tsx

@@ -10,7 +10,11 @@ interface PageProps {
 }
 
 export default async function PlayerProfilePage({ params }: PageProps) {
-  const playerId = parseInt(params.id)
+  const playerId = parseInt(params.id, 10)
+  
+  if (isNaN(playerId)) {
+    notFound()
+  }
 
   const player = await prisma.player.findUnique({
     where: { id: playerId },