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/composables/ProjectComposer 2.ts

@@ -0,0 +1,55 @@
+import { nanoid } from 'nanoid';
+
+import type { n8nPage } from '../pages/n8nPage';
+
+export class ProjectComposer {
+	constructor(private readonly n8n: n8nPage) {}
+
+	/**
+	 * Create a project and return the project name and ID. If no project name is provided, a unique name will be generated.
+	 * @param projectName - The name of the project to create.
+	 * @returns The project name and ID.
+	 */
+	async createProject(projectName?: string) {
+		await this.n8n.page.getByTestId('universal-add').click();
+		await this.n8n.page.getByTestId('navigation-menu-item').filter({ hasText: 'Project' }).click();
+		await this.n8n.notifications.waitForNotificationAndClose('saved successfully');
+		await this.n8n.page.waitForLoadState();
+		const projectNameUnique = projectName ?? `Project ${nanoid(8)}`;
+		await this.n8n.projectSettings.fillProjectName(projectNameUnique);
+		await this.n8n.projectSettings.clickSaveButton();
+		const projectId = this.extractProjectIdFromPage('projects', 'settings');
+		return { projectName: projectNameUnique, projectId };
+	}
+
+	/**
+	 * Add a new credential to a project.
+	 * @param projectName - The name of the project to add the credential to.
+	 * @param credentialType - The type of credential to add by visible name e.g 'Notion API'
+	 * @param credentialFieldName - The name of the field to add the credential to. e.g. 'apiKey' which would be data-test-id='parameter-input-apiKey'
+	 * @param credentialValue - The value of the credential to add.
+	 */
+	async addCredentialToProject(
+		projectName: string,
+		credentialType: string,
+		credentialFieldName: string,
+		credentialValue: string,
+	) {
+		await this.n8n.sideBar.openNewCredentialDialogForProject(projectName);
+		await this.n8n.credentials.openNewCredentialDialogFromCredentialList(credentialType);
+		await this.n8n.credentials.fillCredentialField(credentialFieldName, credentialValue);
+		await this.n8n.credentials.saveCredential();
+		await this.n8n.notifications.waitForNotificationAndClose('Credential successfully created');
+		await this.n8n.credentials.closeCredentialDialog();
+	}
+
+	extractIdFromUrl(url: string, beforeWord: string, afterWord: string): string {
+		const path = url.includes('://') ? new URL(url).pathname : url;
+		const match = path.match(new RegExp(`/${beforeWord}/([^/]+)/${afterWord}`));
+		return match?.[1] ?? '';
+	}
+
+	extractProjectIdFromPage(beforeWord: string, afterWord: string): string {
+		return this.extractIdFromUrl(this.n8n.page.url(), beforeWord, afterWord);
+	}
+}