First pass at pulling the v1.5 CLI, TUI, and Launcher clients into v2.

clients/cli/vitest.config.ts

@@ -0,0 +1,17 @@
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { defineConfig } from 'vitest/config';
+import { vitestSharedPaths } from '../../vitest.shared.mts';
+
+const dirname = path.dirname(fileURLToPath(import.meta.url));
+const { projectResolve } = vitestSharedPaths(dirname);
+
+export default defineConfig({
+  resolve: projectResolve,
+  test: {
+    globals: false,
+    environment: 'node',
+    include: ['__tests__/**/*.test.ts'],
+    testTimeout: 15000,
+  },
+});