Reduce admin shell chunk fanout

vite.config.js

@@ -45,6 +45,17 @@ export default defineConfig({
   build: {
     modulePreload: false,
     rollupOptions: {
+      output: {
+        manualChunks(id) {
+          // Keep the admin shell dependency graph shallow; GAAP resets the browser HTTP/2 connection when the first screen fans out into many module requests.
+          if (id.includes("node_modules")) {
+            return "vendor";
+          }
+          if (id.includes("/src/shared/") || id.includes("/src/app/")) {
+            return "shared";
+          }
+        }
+      },
       input: {
         admin: new URL("./index.html", import.meta.url).pathname,
         databi: new URL("./databi/index.html", import.meta.url).pathname,