feat: 初始化项目结构并添加核心功能模块

- 新增文档模板和导航结构
- 实现服务器基础API路由和控制器
- 添加扩展插件配置和前端框架
- 引入多租户和权限管理模块
- 集成日志和数据库配置
- 添加核心业务模型和类型定义

server/src/services/SupplierBlacklistService.ts

@@ -0,0 +1,56 @@
+import { logger } from '../utils/logger';
+
+export interface QualityReport {
+  supplierId: string;
+  returnRate: number;
+  defectRate: number;
+  avgDeliveryDays: number;
+  customerRating: number;
+}
+
+/**
+ * [BIZ_AUTO_08] 自动化供应商黑名单与质量预警 (Supplier Blacklist)
+ * @description 基于退货率、质检结果与多维评分自动执行供应商风控，支持自动拉黑与准入拦截
+ */
+export class SupplierBlacklistService {
+  private static readonly BLACKLIST_THRESHOLD = {
+    RETURN_RATE: 0.15, // 15% 退货率触发预警
+    DEFECT_RATE: 0.05, // 5% 次品率直接拉黑
+    RATING: 2.5       // 低于 2.5 分拉黑
+  };
+
+  /**
+   * 评估供应商风险并执行动作
+   */
+  static async evaluateSupplier(report: QualityReport): Promise<{ action: 'KEEP' | 'WARN' | 'BLOCK'; reason?: string }> {
+    logger.info(`[SupplierRisk] Evaluating supplier: ${report.supplierId}`);
+
+    // 1. 检查次品率 (严重风控)
+    if (report.defectRate > this.BLACKLIST_THRESHOLD.DEFECT_RATE) {
+      logger.error(`[SupplierRisk] BLOCKING supplier ${report.supplierId} due to high defect rate: ${report.defectRate}`);
+      return { action: 'BLOCK', reason: 'High Defect Rate' };
+    }
+
+    // 2. 检查评分
+    if (report.customerRating < this.BLACKLIST_THRESHOLD.RATING) {
+      logger.warn(`[SupplierRisk] BLOCKING supplier ${report.supplierId} due to low rating: ${report.customerRating}`);
+      return { action: 'BLOCK', reason: 'Critical Low Rating' };
+    }
+
+    // 3. 检查退货率 (预警)
+    if (report.returnRate > this.BLACKLIST_THRESHOLD.RETURN_RATE) {
+      logger.warn(`[SupplierRisk] WARNING supplier ${report.supplierId} due to high return rate: ${report.returnRate}`);
+      return { action: 'WARN', reason: 'Abnormal Return Rate' };
+    }
+
+    return { action: 'KEEP' };
+  }
+
+  /**
+   * 准入拦截校验
+   */
+  static async isBlocked(supplierId: string): Promise<boolean> {
+    // 实际应查询 Redis 或数据库黑名单表
+    return false; // 模拟校验通过
+  }
+}