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/@n8n/client-oauth2/src/client-oauth2-token 2.ts

@@ -0,0 +1,113 @@
+import * as a from 'node:assert';
+
+import type { ClientOAuth2, ClientOAuth2Options, ClientOAuth2RequestObject } from './client-oauth2';
+import { DEFAULT_HEADERS } from './constants';
+import { auth, expects, getRequestOptions } from './utils';
+
+export interface ClientOAuth2TokenData extends Record<string, string | undefined> {
+	token_type?: string | undefined;
+	access_token: string;
+	refresh_token: string;
+	expires_in?: string;
+	scope?: string | undefined;
+}
+
+/**
+ * General purpose client token generator.
+ */
+export class ClientOAuth2Token {
+	readonly tokenType?: string;
+
+	readonly accessToken: string;
+
+	readonly refreshToken: string;
+
+	private expires: Date;
+
+	constructor(
+		readonly client: ClientOAuth2,
+		readonly data: ClientOAuth2TokenData,
+	) {
+		this.tokenType = data.token_type?.toLowerCase() ?? 'bearer';
+		this.accessToken = data.access_token;
+		this.refreshToken = data.refresh_token;
+
+		this.expires = new Date();
+		this.expires.setSeconds(this.expires.getSeconds() + Number(data.expires_in));
+	}
+
+	/**
+	 * Sign a standardized request object with user authentication information.
+	 */
+	sign(requestObject: ClientOAuth2RequestObject): ClientOAuth2RequestObject {
+		if (!this.accessToken) {
+			throw new Error('Unable to sign without access token');
+		}
+
+		requestObject.headers = requestObject.headers ?? {};
+
+		if (this.tokenType === 'bearer') {
+			requestObject.headers.Authorization = 'Bearer ' + this.accessToken;
+		} else {
+			const parts = requestObject.url.split('#');
+			const token = 'access_token=' + this.accessToken;
+			const url = parts[0].replace(/[?&]access_token=[^&#]/, '');
+			const fragment = parts[1] ? '#' + parts[1] : '';
+
+			// Prepend the correct query string parameter to the url.
+			requestObject.url = url + (url.indexOf('?') > -1 ? '&' : '?') + token + fragment;
+
+			// Attempt to avoid storing the url in proxies, since the access token
+			// is exposed in the query parameters.
+			requestObject.headers.Pragma = 'no-store';
+			requestObject.headers['Cache-Control'] = 'no-store';
+		}
+
+		return requestObject;
+	}
+
+	/**
+	 * Refresh a user access token with the refresh token.
+	 * As in RFC 6749 Section 6: https://www.rfc-editor.org/rfc/rfc6749.html#section-6
+	 */
+	async refresh(opts?: ClientOAuth2Options): Promise<ClientOAuth2Token> {
+		const options = { ...this.client.options, ...opts };
+
+		expects(options, 'clientSecret');
+		a.ok(this.refreshToken, 'refreshToken is required');
+
+		const { clientId, clientSecret } = options;
+		const headers = { ...DEFAULT_HEADERS };
+		const body: Record<string, string> = {
+			refresh_token: this.refreshToken,
+			grant_type: 'refresh_token',
+		};
+
+		if (options.authentication === 'body') {
+			body.client_id = clientId;
+			body.client_secret = clientSecret;
+		} else {
+			headers.Authorization = auth(clientId, clientSecret);
+		}
+
+		const requestOptions = getRequestOptions(
+			{
+				url: options.accessTokenUri,
+				method: 'POST',
+				headers,
+				body,
+			},
+			options,
+		);
+
+		const responseData = await this.client.accessTokenRequest(requestOptions);
+		return this.client.createToken({ ...this.data, ...responseData });
+	}
+
+	/**
+	 * Check whether the token has expired.
+	 */
+	expired(): boolean {
+		return Date.now() > this.expires.getTime();
+	}
+}