phase 1

ui/frontend/vitest.config.ts

@@ -0,0 +1,17 @@
+import { defineConfig, mergeConfig } from "vitest/config";
+import viteConfig from "./vite.config";
+
+export default mergeConfig(
+	viteConfig,
+	defineConfig({
+		resolve: {
+			// Force the browser entry of Svelte so `mount` is available in jsdom.
+			conditions: ["browser"],
+		},
+		test: {
+			environment: "jsdom",
+			include: ["tests/**/*.test.ts"],
+			globals: true,
+		},
+	}),
+);