Initial frontend import

src/vite-env.d.ts

@@ -0,0 +1,13 @@
+/// <reference types="vite/client" />
+
+interface ImportMetaEnv {
+  readonly VITE_API_URL: string;
+  readonly VITE_WALLETCONNECT_PROJECT_ID: string;
+  readonly VITE_ADMIN_UI_PREFIX?: string;
+  /** When `"true"`, bundle admin UI only (no public pages); use with `VITE_ADMIN_UI_PREFIX` or default secret prefix. */
+  readonly VITE_ADMIN_ONLY?: string;
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv;
+}