feat(psn): show trophy sets on game detail and dashboard

Detail page groups achievements by set: Steam, then PSN trophies.
Tiles show the real count; a perfect game gets an amber trophy.
Dashboard card shows for PSN-only users; CSP allows PSN icons.

nginx.conf

@@ -3,7 +3,7 @@ server {
     root /usr/share/nginx/html;
 
     # An nginx template: AUTH_HOST and API_HOST come from the container env at start (see Dockerfile).
-    add_header Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://*.steamstatic.com https://steamcdn-a.akamaihd.net https://media.steampowered.com https://images.igdb.com; font-src 'self' data:; connect-src 'self' https://${AUTH_HOST} https://${API_HOST}; manifest-src 'self'; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'" always;
+    add_header Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://*.steamstatic.com https://steamcdn-a.akamaihd.net https://media.steampowered.com https://images.igdb.com https://psnobj.prod.dl.playstation.net; font-src 'self' data:; connect-src 'self' https://${AUTH_HOST} https://${API_HOST}; manifest-src 'self'; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'" always;
     add_header X-Content-Type-Options "nosniff" always;
     add_header Referrer-Policy "strict-origin-when-cross-origin" always;
     add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;