fix: 修复TypeScript配置错误并更新项目文档

详细说明:
- 修复了@n8n/config包的TypeScript配置错误
- 移除了不存在的jest-expect-message类型引用
- 清理了所有TypeScript构建缓存
- 更新了可行性分析文档，添加了技术实施方案
- 更新了Agent prompt文档
- 添加了会展策划工作流文档
- 包含了n8n-chinese-translation子项目
- 添加了exhibition-demo展示系统框架

n8n-n8n-1.109.2/packages/testing/playwright/pages/BasePage 2.ts

@@ -0,0 +1,21 @@
+import type { Page } from '@playwright/test';
+
+export abstract class BasePage {
+	constructor(protected readonly page: Page) {}
+
+	protected async clickByTestId(testId: string) {
+		await this.page.getByTestId(testId).click();
+	}
+
+	protected async fillByTestId(testId: string, value: string) {
+		await this.page.getByTestId(testId).fill(value);
+	}
+
+	protected async clickByText(text: string) {
+		await this.page.getByText(text).click();
+	}
+
+	protected async clickButtonByName(name: string) {
+		await this.page.getByRole('button', { name }).click();
+	}
+}