refactor(services): 重构服务模块结构，按功能分类移动文件

将服务文件按功能分类移动到对应子目录，包括财务、营销、订单等模块
更新相关路由和导入路径，修复文件引用错误
归档旧版任务文档，更新README和任务统计信息

server/src/core/collectors/BaseCollector.ts

@@ -0,0 +1,161 @@
+import { logger } from '../../utils/logger';
+
+/**
+ * [BE-P101] 采集器基类
+ * 定义所有平台采集器的通用接口和行为
+ */
+
+// 采集结果
+export interface CollectionResult {
+  success: boolean;
+  data?: any;
+  error?: string;
+  metadata: {
+    platform: string;
+    url: string;
+    timestamp: string;
+    duration: number;
+  };
+}
+
+// 采集配置
+export interface CollectorConfig {
+  platform: string;
+  timeout?: number;
+  retries?: number;
+  useProxy?: boolean;
+  proxyConfig?: {
+    host: string;
+    port: number;
+    username?: string;
+    password?: string;
+  };
+  headers?: Record<string, string>;
+}
+
+// 采集器接口
+export interface ICollector {
+  collect(url: string): Promise<CollectionResult>;
+  validateUrl(url: string): boolean;
+  parseData(rawData: any): any;
+}
+
+export abstract class BaseCollector implements ICollector {
+  protected config: CollectorConfig;
+
+  constructor(config: CollectorConfig) {
+    this.config = {
+      timeout: 30000,
+      retries: 3,
+      useProxy: false,
+      ...config,
+    };
+  }
+
+  /**
+   * 执行采集
+   */
+  abstract collect(url: string): Promise<CollectionResult>;
+
+  /**
+   * 验证URL是否属于该平台
+   */
+  abstract validateUrl(url: string): boolean;
+
+  /**
+   * 解析原始数据为标准格式
+   */
+  abstract parseData(rawData: any): any;
+
+  /**
+   * 记录采集日志
+   */
+  protected log(
+    operation: string,
+    details: {
+      url?: string;
+      success?: boolean;
+      error?: string;
+      duration?: number;
+    }
+  ): void {
+    logger.info(`[${this.config.platform}Collector] ${operation}`, {
+      platform: this.config.platform,
+      ...details,
+    });
+  }
+
+  /**
+   * 延迟函数
+   */
+  protected async delay(ms: number): Promise<void> {
+    return new Promise((resolve) => setTimeout(resolve, ms));
+  }
+
+  /**
+   * 重试机制
+   */
+  protected async retry<T>(
+    fn: () => Promise<T>,
+    retries: number = this.config.retries || 3
+  ): Promise<T> {
+    let lastError: Error | undefined;
+
+    for (let i = 0; i < retries; i++) {
+      try {
+        return await fn();
+      } catch (error) {
+        lastError = error instanceof Error ? error : new Error(String(error));
+        logger.info(`[${this.config.platform}Collector] RETRY_ATTEMPT`, {
+          platform: this.config.platform,
+          attempt: i + 1,
+          maxRetries: retries,
+          error: lastError.message,
+        });
+
+        if (i < retries - 1) {
+          // 指数退避
+          await this.delay(Math.pow(2, i) * 1000);
+        }
+      }
+    }
+
+    throw lastError;
+  }
+
+  /**
+   * 创建成功结果
+   */
+  protected createSuccessResult(
+    url: string,
+    data: any,
+    duration: number
+  ): CollectionResult {
+    return {
+      success: true,
+      data,
+      metadata: {
+        platform: this.config.platform,
+        url,
+        timestamp: new Date().toISOString(),
+        duration,
+      },
+    };
+  }
+
+  /**
+   * 创建失败结果
+   */
+  protected createErrorResult(url: string, error: string, duration: number): CollectionResult {
+    return {
+      success: false,
+      error,
+      metadata: {
+        platform: this.config.platform,
+        url,
+        timestamp: new Date().toISOString(),
+        duration,
+      },
+    };
+  }
+}

server/src/core/collectors/index.ts

@@ -0,0 +1,5 @@
+/**
+ * [BE-P101] 采集器模块导出
+ */
+
+export { BaseCollector, ICollector, CollectionResult, CollectorConfig } from './BaseCollector';

server/src/core/guards/trace-context.guard.ts

@@ -1,5 +1,5 @@
 import { NextFunction, Request, Response } from 'express';
-import { AuthService } from '../../services/AuthService';
+import { AuthService } from '../../services/auth/AuthService';
 
 const REQUIRED_HEADERS = [
   'x-tenant-id',