fix: use dedicated PM2 process name karate_halloween on port 34822

deploy/karate.ph.sokaris.link.conf

@@ -2,7 +2,7 @@
 #
 # Production Nginx reverse proxy configuration for Karate Halloween Photo Booth
 # Domain: karate.ph.sokaris.link
-# Backend: Next.js PM2 process on 127.0.0.1:34821
+# Backend: Next.js PM2 process on 127.0.0.1:34822
 # User: www-data
 
 # Rate limiting zones (can be defined in http block in /etc/nginx/nginx.conf or here if http-level included)
@@ -10,7 +10,7 @@ limit_req_zone $binary_remote_addr zone=karate_api_limit:10m rate=10r/s;
 limit_req_zone $binary_remote_addr zone=karate_auth_limit:10m rate=5r/m;
 
 upstream karate_backend {
-    server 127.0.0.1:34821;
+    server 127.0.0.1:34822;
     keepalive 32;
 }