milestone 23 s2: react aria primitives and their cluster

web/vite.config.ts

@@ -7,7 +7,14 @@ import { defineConfig } from "vite";
 
 export default defineConfig(({ mode }) => ({
 	plugins: [
-		stylex.vite({ useCSSLayers: true, dev: mode === "development", runtimeInjection: false }),
+		// StyleX resolves the `.stylex.ts` theme file itself, so it needs the `@`
+		// alias too — `resolve.alias` below is Vite's and the plugin cannot see it.
+		stylex.vite({
+			useCSSLayers: true,
+			dev: mode === "development",
+			runtimeInjection: false,
+			aliases: { "@/*": [fileURLToPath(new URL("./src/*", import.meta.url))] },
+		}),
 		react(),
 		tailwindcss(),
 	],
@@ -25,5 +32,6 @@ export default defineConfig(({ mode }) => ({
 	test: {
 		environment: "jsdom",
 		globals: true,
+		setupFiles: ["./vitest.setup.ts"],
 	},
 }));