feat(v2): add Hasura /graphql WS proxy and live DLOB stats

apps/visualizer/vite.config.ts

@@ -98,6 +98,8 @@ const uiProxyTarget =
   inferUiProxyTarget(apiProxyTarget) ||
   (apiProxyTargetUrl && apiProxyTargetPath === '/' ? stripTrailingSlashes(apiProxyTargetUrl.toString()) : undefined);
 
+const graphqlProxyTarget = process.env.GRAPHQL_PROXY_TARGET || process.env.HASURA_PROXY_TARGET || uiProxyTarget;
+
 function applyProxyBasicAuth(proxyReq: any) {
   if (!proxyBasicAuth) return false;
   const b64 = Buffer.from(`${proxyBasicAuth.username}:${proxyBasicAuth.password}`, 'utf8').toString('base64');
@@ -131,6 +133,24 @@ const proxy: Record<string, any> = {
   },
 };
 
+if (graphqlProxyTarget) {
+  for (const prefix of ['/graphql', '/graphql-ws']) {
+    proxy[prefix] = {
+      target: graphqlProxyTarget,
+      changeOrigin: true,
+      ws: true,
+      configure: (p: any) => {
+        p.on('proxyReq', (proxyReq: any) => {
+          applyProxyBasicAuth(proxyReq);
+        });
+        p.on('proxyReqWs', (proxyReq: any) => {
+          applyProxyBasicAuth(proxyReq);
+        });
+      },
+    };
+  }
+}
+
 if (uiProxyTarget) {
   for (const prefix of ['/whoami', '/auth', '/logout']) {
     proxy[prefix] = {