feat: integrate Pi backend and Pi Web

pi/packages/ai/vitest.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'node',
+    testTimeout: 30000, // 30 seconds for API calls
+    reporters: process.env.GITHUB_ACTIONS ? ['dot', 'github-actions'] : ['dot'],
+    silent: 'passed-only',
+  }
+});