test: use native vitest root projects

vitest.ui.config.ts

@@ -4,6 +4,7 @@ export function createUiVitestConfig(env?: Record<string, string | undefined>) {
   return createScopedVitestConfig(["ui/src/ui/**/*.test.ts"], {
     dir: "ui/src/ui",
     env,
+    name: "ui",
   });
 }