Add HTTPS support in dev mode and fix mobile layout issues

Generate self-signed certs for local HTTPS, add port 443 and full SSL
server block to dev nginx config, add Spotify redirect URI env var,
improve Spotify token error handling, and fix Chat/Steam mobile sizing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

nginx/nginx_dev.conf.template

@@ -131,4 +131,98 @@ http {
 
     }
 
+    server {
+        listen 443 ssl;
+        server_name $DOMAIN www.$DOMAIN;
+
+        ssl_certificate     /etc/letsencrypt/live/localhost/fullchain.pem;
+        ssl_certificate_key /etc/letsencrypt/live/localhost/privkey.pem;
+
+        location /uploads/ {
+            alias /uploads/;
+            add_header X-Content-Type-Options nosniff always;
+            add_header Content-Disposition "inline" always;
+            add_header Content-Security-Policy "default-src 'none'; img-src 'self'; style-src 'none'; script-src 'none'" always;
+        }
+
+        location / {
+            proxy_pass http://vue:5173;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+            proxy_set_header Host $host;
+        }
+
+        location $BACKEND_ENDPOINT {
+            return 301 $BACKEND_ENDPOINT/;
+        }
+
+        location $BACKEND_ENDPOINT/ws {
+            rewrite ^$BACKEND_ENDPOINT/(.*)$ /$1 break;
+            proxy_pass http://$BACKEND_HOST:$BACKEND_PORT/;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        location $BACKEND_ENDPOINT/auth/login {
+            limit_req zone=login burst=3 nodelay;
+            rewrite ^$BACKEND_ENDPOINT/(.*)$ /$1 break;
+            proxy_pass http://$BACKEND_HOST:$BACKEND_PORT/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        location $BACKEND_ENDPOINT/messages/upload {
+            limit_req zone=upload burst=3 nodelay;
+            rewrite ^$BACKEND_ENDPOINT/(.*)$ /$1 break;
+            proxy_pass http://$BACKEND_HOST:$BACKEND_PORT/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        location $BACKEND_ENDPOINT/ {
+            limit_req zone=api burst=20 nodelay;
+            rewrite ^$BACKEND_ENDPOINT/(.*)$ /$1 break;
+            proxy_pass http://$BACKEND_HOST:$BACKEND_PORT/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        location /radio {
+            return 301 /radio/;
+        }
+
+        location /radio/ {
+            proxy_pass http://$ICECAST_HOST:$ICECAST_PORT/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        location /gitea {
+            return 301 /gitea/;
+        }
+
+        location /gitea/ {
+            proxy_pass http://$GITEA_HOST:$GITEA_PORT/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+    }
+
 }