fix(dev-nginx): proxy root to Vite dev server to avoid 403 for empty /var/www/html

Author: kzndotsh

config/nginx/sites-available/pubnix-dev

@@ -47,13 +47,8 @@ server {
         default_type text/html;
     }
 
-    # Main web interface
+    # Main web interface: proxy all root paths to the Vite dev server
     location / {
-        try_files $uri $uri/ @frontend;
-    }
-
-    # Frontend fallback for SPA routing (proxy to web-dev service)
-    location @frontend {
         proxy_pass http://web-dev:3000;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;