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/CredentialsPage 2.ts

@@ -0,0 +1,65 @@
+import { BasePage } from './BasePage';
+
+export class CredentialsPage extends BasePage {
+	get emptyListCreateCredentialButton() {
+		return this.page.getByRole('button', { name: 'Add first credential' });
+	}
+
+	get createCredentialButton() {
+		return this.page.getByTestId('create-credential-button');
+	}
+
+	get credentialCards() {
+		return this.page.getByTestId('credential-cards');
+	}
+
+	/**
+	 * Create a new credential of the specified type
+	 * @param credentialType - The type of credential to create (e.g. 'Notion API')
+	 */
+	async openNewCredentialDialogFromCredentialList(credentialType: string): Promise<void> {
+		await this.page.getByRole('combobox', { name: 'Search for app...' }).fill(credentialType);
+		await this.page
+			.getByTestId('new-credential-type-select-option')
+			.filter({ hasText: credentialType })
+			.click();
+		await this.page.getByTestId('new-credential-type-button').click();
+	}
+
+	async openCredentialSelector() {
+		await this.page.getByRole('combobox', { name: 'Select Credential' }).click();
+	}
+
+	async createNewCredential() {
+		await this.clickByText('Create new credential');
+	}
+
+	async fillCredentialField(fieldName: string, value: string) {
+		const field = this.page
+			.getByTestId(`parameter-input-${fieldName}`)
+			.getByTestId('parameter-input-field');
+		await field.click();
+		await field.fill(value);
+	}
+
+	async saveCredential() {
+		await this.clickButtonByName('Save');
+	}
+
+	async closeCredentialDialog() {
+		await this.clickButtonByName('Close this dialog');
+	}
+
+	async createAndSaveNewCredential(fieldName: string, value: string) {
+		await this.openCredentialSelector();
+		await this.createNewCredential();
+		await this.filLCredentialSaveClose(fieldName, value);
+	}
+
+	async filLCredentialSaveClose(fieldName: string, value: string) {
+		await this.fillCredentialField(fieldName, value);
+		await this.saveCredential();
+		await this.page.getByText('Connection tested successfully').waitFor({ state: 'visible' });
+		await this.closeCredentialDialog();
+	}
+}