server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # B2A discovery files
    location = /llms.txt {
        default_type text/plain;
    }

    location /.well-known/ {
        default_type application/json;
    }

    location /.well-known/skills/ {
        default_type text/plain;
    }

    # MCP proxy — routes /mcp to the MCP connector container
    location /mcp {
        proxy_pass http://mcp-connector:3001;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Connection '';
        proxy_http_version 1.1;
        chunked_transfer_encoding off;
        proxy_buffering off;
        proxy_cache off;
    }

    # Backend API
    location /api {
        proxy_pass http://backend:8000;
        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;
    }

    # SPA catch-all
    location / {
        try_files $uri $uri/ /index.html;
    }
}