feat: add UAT helper utilities and test data

uat-tests/utils/uat-helper.ts

@@ -0,0 +1,43 @@
+import { Page, expect } from '@playwright/test';
+import { uatConfig } from '../config/uat-config';
+
+export class UATHelper {
+  constructor(private page: Page) {}
+
+  async waitForElement(selector: string, options?: { timeout?: number }) {
+    await this.page.waitForSelector(selector, {
+      timeout: options?.timeout || uatConfig.timeout,
+      state: 'visible'
+    });
+  }
+
+  async waitForAPIResponse(urlPattern: string) {
+    return this.page.waitForResponse(response => 
+      response.url().includes(urlPattern)
+    );
+  }
+
+  async waitForPageLoad() {
+    await this.page.waitForLoadState('networkidle');
+    await this.page.waitForFunction(() => 
+      document.readyState === 'complete'
+    );
+  }
+
+  async takeScreenshot(name: string) {
+    await this.page.screenshot({ 
+      path: `uat-tests/screenshots/${name}.png`,
+      fullPage: true 
+    });
+  }
+
+  async verifySuccessMessage(expectedMessage: string) {
+    const message = await this.page.textContent('.el-message--success');
+    expect(message).toContain(expectedMessage);
+  }
+
+  async verifyErrorMessage(expectedMessage: string) {
+    const message = await this.page.textContent('.el-message--error');
+    expect(message).toContain(expectedMessage);
+  }
+}