location /api/ai/ {
    proxy_pass http://127.0.0.1:19222/;
    proxy_http_version 1.1;
    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;
    proxy_connect_timeout 5s;
    proxy_read_timeout 30s;
    limit_except GET { deny all; }
}

location = /.well-known/guanghu.json {
    proxy_pass http://127.0.0.1:19222/well-known;
    proxy_set_header Host $host;
}