refactor(services): 重构服务文件结构，将服务按功能分类到不同目录

- 将服务文件按功能分类到core、ai、analytics、security等目录
- 修复logger导入路径问题，统一使用相对路径
- 更新相关文件的导入路径引用
- 添加新的批量操作组件导出文件
- 修复dashboard页面中的类型错误
- 添加dotenv依赖到package.json

server/src/api/controllers/LogisticsDecisionController.ts

@@ -0,0 +1,217 @@
+/**
+ * [BE-CTL-019] 物流决策AI控制器
+ * 提供运费审核和物流延误的AI介入RESTful API接口
+ * AI注意: 所有物流AI决策必须通过此控制器
+ */
+
+import { Request, Response } from 'express';
+import {
+  makeAIDecision,
+  DecisionType,
+  DecisionResult,
+} from '../middleware/AIDecisionMiddleware';
+import { logger } from '../../utils/logger';
+
+export class LogisticsDecisionController {
+  /**
+   * POST /api/v1/logistics/ai-decision
+   * 生成物流AI决策
+   */
+  static async makeDecision(req: Request, res: Response) {
+    try {
+      const { tenantId, operatorId, orderId, operationType, customParams } = req.body;
+
+      if (!tenantId || !operatorId) {
+        return res.status(400).json({
+          success: false,
+          error: 'MISSING_REQUIRED_FIELDS',
+          message: '缺少必要字段',
+        });
+      }
+
+      const aiDecision = makeAIDecision({
+        tenantId,
+        operatorId,
+        businessType: DecisionType.FREIGHT,
+        operationType: operationType || 'FREIGHT_AUDIT',
+        targetIds: orderId ? [orderId] : [],
+        customParams,
+      });
+
+      logger.info(`[LogisticsDecisionController] AI decision: ${aiDecision.requiredAction}`);
+
+      return res.json({
+        success: true,
+        data: aiDecision,
+      });
+    } catch (error) {
+      logger.error('[LogisticsDecisionController] makeDecision error:', error);
+      return res.status(500).json({
+        success: false,
+        error: 'DECISION_ERROR',
+        message: '物流AI决策失败',
+      });
+    }
+  }
+
+  /**
+   * POST /api/v1/logistics/freight/audit
+   * 审核运费
+   */
+  static async auditFreight(req: Request, res: Response) {
+    try {
+      const { tenantId, orderId, expectedFreight, actualFreight, customParams } = req.body;
+
+      if (!tenantId || !orderId) {
+        return res.status(400).json({
+          success: false,
+          error: 'MISSING_REQUIRED_FIELDS',
+          message: '缺少必要字段',
+        });
+      }
+
+      const diff = actualFreight - expectedFreight;
+      const diffPercent = expectedFreight > 0 ? Math.abs(diff / expectedFreight) * 100 : 0;
+
+      const aiDecision = makeAIDecision({
+        tenantId,
+        operatorId: 'system',
+        businessType: DecisionType.FREIGHT,
+        operationType: 'FREIGHT_AUDIT',
+        targetIds: [orderId],
+        customParams: {
+          ...customParams,
+          expectedFreight,
+          actualFreight,
+          diff,
+          diffPercent,
+          isAbnormal: diffPercent > 15,
+        },
+      });
+
+      if (aiDecision.requiredAction === DecisionResult.HUMAN_ONLY) {
+        return res.status(403).json({
+          success: false,
+          error: 'AI_NOT_ALLOWED',
+          message: '此运费审核仅支持人工处理',
+          aiDecision,
+        });
+      }
+
+      const action = diffPercent <= 5 ? 'AUTO_PASS' :
+                     diffPercent <= 15 ? 'NEED_REVIEW' : 'NEED_HUMAN_REVIEW';
+
+      logger.info(`[LogisticsDecisionController] Freight audit: ${orderId}, action: ${action}`);
+
+      return res.json({
+        success: true,
+        data: {
+          orderId,
+          expectedFreight,
+          actualFreight,
+          diff,
+          diffPercent,
+          action,
+          aiDecision,
+        },
+      });
+    } catch (error) {
+      logger.error('[LogisticsDecisionController] auditFreight error:', error);
+      return res.status(500).json({
+        success: false,
+        error: 'AUDIT_ERROR',
+        message: '运费审核失败',
+      });
+    }
+  }
+
+  /**
+   * POST /api/v1/logistics/delay/warn
+   * 物流延误预警
+   */
+  static async warnDelay(req: Request, res: Response) {
+    try {
+      const { tenantId, orderId, expectedDeliveryDate, currentStatus, delayRisk } = req.body;
+
+      if (!tenantId || !orderId) {
+        return res.status(400).json({
+          success: false,
+          error: 'MISSING_REQUIRED_FIELDS',
+          message: '缺少必要字段',
+        });
+      }
+
+      const aiDecision = makeAIDecision({
+        tenantId,
+        operatorId: 'system',
+        businessType: DecisionType.FREIGHT,
+        operationType: 'DELAY_WARNING',
+        targetIds: [orderId],
+        customParams: {
+          expectedDeliveryDate,
+          currentStatus,
+          delayRisk,
+        },
+      });
+
+      logger.info(`[LogisticsDecisionController] Delay warning: ${orderId}, risk: ${delayRisk}`);
+
+      return res.json({
+        success: true,
+        data: {
+          orderId,
+          expectedDeliveryDate,
+          currentStatus,
+          delayRisk,
+          aiDecision,
+          recommendedAction: delayRisk > 0.7 ? 'NOTIFY_BUYER' : 'MONITOR',
+        },
+      });
+    } catch (error) {
+      logger.error('[LogisticsDecisionController] warnDelay error:', error);
+      return res.status(500).json({
+        success: false,
+        error: 'WARN_ERROR',
+        message: '延误预警失败',
+      });
+    }
+  }
+
+  /**
+   * GET /api/v1/logistics/trace/:orderId
+   * 追踪物流
+   */
+  static async traceLogistics(req: Request, res: Response) {
+    try {
+      const { orderId } = req.params;
+
+      if (!orderId) {
+        return res.status(400).json({
+          success: false,
+          error: 'MISSING_ORDER_ID',
+          message: '缺少订单ID',
+        });
+      }
+
+      return res.json({
+        success: true,
+        data: {
+          orderId,
+          status: 'IN_TRANSIT',
+          events: [
+            { timestamp: new Date(), location: 'Warehouse', status: 'SHIPPED' },
+            { timestamp: new Date(), location: 'Distribution Center', status: 'IN_TRANSIT' },
+          ],
+          estimatedDelivery: new Date(Date.now() + 3 * 24 * 60 * 60 * 1000),
+        },
+      });
+    } catch (error) {
+      logger.error('[LogisticsDecisionController] traceLogistics error:', error);
+      return res.status(500).json({
+        success: false,
+        error: 'TRACE_ERROR',
+        message: '物流追踪失败',
+      });
+    }
+  }
+}