feat(runtime): establish miniapp kernel and sdk design

tauri/vite.config.ts

@@ -0,0 +1,13 @@
+import { defineConfig } from "vite";
+
+/**
+ * Keep Vite, Vitest and TypeScript on the same source-root import contract.
+ * Module boundaries may evolve without introducing fragile ../../ imports.
+ */
+export default defineConfig({
+  resolve: {
+    alias: {
+      "@": "/src",
+    },
+  },
+});