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/src/main.tsx

@@ -0,0 +1,13 @@
+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
+import { App } from "./app";
+import "./styles.css";
+
+const root = document.querySelector<HTMLElement>("#app");
+if (!root) throw new Error("应用挂载节点不存在");
+
+createRoot(root).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+);