Add StoreKit history and modernize admin console

Expose ledger-backed cross-device purchase history while shipping the tested React admin redesign in the same reproducible deployment revision.

admin-web/vite.config.ts

@@ -1,7 +1,10 @@
+import tailwindcss from "@tailwindcss/vite";
+import react from "@vitejs/plugin-react";
 import { defineConfig } from "vitest/config";
 
 export default defineConfig({
   base: "/admin/",
+  plugins: [react(), tailwindcss()],
   server: {
     proxy: {
       "/v1/admin": {
@@ -12,6 +15,21 @@ export default defineConfig({
   },
   build: {
     target: "es2022",
+    rollupOptions: {
+      output: {
+        manualChunks(id) {
+          if (
+            id.includes("/node_modules/react/") ||
+            id.includes("/node_modules/react-dom/") ||
+            id.includes("/node_modules/react-router")
+          ) {
+            return "react-vendor";
+          }
+          if (id.includes("/node_modules/@base-ui/")) return "base-ui";
+          return undefined;
+        },
+      },
+    },
   },
   test: {
     environment: "jsdom",