fix: updated from 9.3.3 to 15

app/api/events/register/route.ts

@@ -3,6 +3,7 @@
 
 import { NextResponse } from 'next/server';
 import { query, queryOne } from '@/lib/db';
+import { EventCheckRow } from '@/types/racing';
 
 export async function POST(request: Request) {
   try {
@@ -51,12 +52,14 @@ export async function POST(request: Request) {
     }
 
     // Check if event exists and is open
-    const eventCheck: unknown = await queryOne(
-      `SELECT event_id, event_status, max_participants,
-              (SELECT COUNT(*) FROM event_registrations 
-               WHERE event_id = $1 AND status = 'REGISTERED') as current_registrations
-       FROM events WHERE event_id = $1`,
-      [eventId]
+
+
+    const eventCheck = await queryOne<EventCheckRow>(
+        `SELECT event_id, event_status, max_participants,
+            (SELECT COUNT(*) FROM event_registrations
+            WHERE event_id = $1 AND status = 'REGISTERED') as current_registrations
+        FROM events WHERE event_id = $1`,
+        [eventId]
     );
 
     if (!eventCheck) {