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/SLAScoringService.ts

@@ -0,0 +1,111 @@
+import db from '../config/database';
+import { logger } from '../utils/logger';
+import { SupplierService } from './SupplierService';
+import { DecisionExplainabilityEngine } from '../core/ai/DecisionExplainabilityEngine';
+import { AdviceService } from '../domains/Strategy/AdviceService';
+
+/**
+ * [BIZ_OPS_132] 供应商响应时效动态分级 (Supplier SLA)
+ * @description 核心逻辑：基于响应速度 (avg_response_hours) 与交期 (avg_delivery_days) 自动标记低效方，并提供切换建议。
+ */
+export class SLAScoringService {
+  private static readonly AUDIT_TABLE = 'cf_sourcing_audit';
+
+  /**
+   * 审计供应商 SLA 并生成警告/建议 (BIZ_OPS_132)
+   */
+  static async auditSupplierSLA(tenantId: string, supplierId: string): Promise<any> {
+    logger.info(`[SLAScoring] Auditing SLA for Supplier: ${supplierId}, Tenant: ${tenantId}`);
+
+    try {
+      // 1. 获取供应商最新绩效报告
+      const supplierReport = await SupplierService.getSupplierTrustReport(supplierId);
+      const metrics = supplierReport.metrics;
+      const score = supplierReport.trustScore;
+
+      // 2. SLA 阈值校验 (务实点)
+      // 响应速度 > 24h 或 交期 > 10d 触发预警
+      let slaBreached = false;
+      let breachReason = '';
+
+      if (metrics.responseHours > 24) {
+        slaBreached = true;
+        breachReason += `Response time (${metrics.responseHours}h) exceeds 24h limit. `;
+      }
+
+      if (metrics.deliveryDays > 10) {
+        slaBreached = true;
+        breachReason += `Delivery time (${metrics.deliveryDays}d) exceeds 10d limit. `;
+      }
+
+      if (score < 50) {
+        slaBreached = true;
+        breachReason += `Overall TrustScore (${score.toFixed(1)}) is dangerously low. `;
+      }
+
+      if (slaBreached) {
+        logger.warn(`[SLAScoring] SLA Breach detected for ${supplierId}: ${breachReason}`);
+
+        // 3. 寻找同租户下同类目更好的备选供应商 (模拟逻辑)
+        const alternatives = await db('cf_suppliers')
+          .where({ tenant_id: tenantId })
+          .where('rating_score', '>', score + 10)
+          .orderBy('rating_score', 'desc')
+          .limit(1);
+
+        const bestAlt = alternatives[0];
+        const reason = `SLA BREACH: ${breachReason} ` + 
+          (bestAlt ? `Recommended to switch to ${bestAlt.name} (Score: ${bestAlt.rating_score.toFixed(1)}).` : 'Immediate review required.');
+
+        // 4. 生成建议 (Suggestion-First) -> 统一至 AdviceService
+        const suggestionId = await AdviceService.recordAdvice({
+          tenantId,
+          shopId: 'GLOBAL', // 供应商审核通常是全局的
+          traceId: 'sla-audit-' + Date.now(),
+          insight: {
+            type: 'SUPPLIER',
+            title: `SLA Breach: ${supplierReport.name}`,
+            description: reason,
+            impact: 'high',
+            confidence: 0.95,
+            suggestedAction: bestAlt ? `SWITCH_TO_${bestAlt.id}` : 'MANUAL_REVIEW',
+            metadata: { 
+              supplierId, 
+              bestAlternativeId: bestAlt?.id,
+              metrics 
+            }
+          }
+        });
+
+        // 5. [UX_XAI_01] 记录决策证据链
+        await DecisionExplainabilityEngine.logDecision({
+          tenantId,
+          module: 'SUPPLIER_SLA',
+          resourceId: String(suggestionId),
+          decisionType: 'SLA_BREACH_WARNING',
+          causalChain: reason,
+          factors: [
+            { name: 'ResponseHours', value: metrics.responseHours, weight: 0.4, impact: 'NEGATIVE' },
+            { name: 'DeliveryDays', value: metrics.deliveryDays, weight: 0.4, impact: 'NEGATIVE' },
+            { name: 'TrustScore', value: score, weight: 0.2, impact: 'NEGATIVE' }
+          ],
+          traceId: 'sla-audit-' + Date.now()
+        });
+
+        return { 
+          success: true, 
+          suggestionId, 
+          slaBreached, 
+          reason, 
+          bestAlternative: bestAlt?.name,
+          status: 'PENDING_REVIEW' 
+        };
+      }
+
+      return { success: true, slaBreached: false, message: 'SLA compliant' };
+    } catch (err: any) {
+      logger.error(`[SLAScoring][WARN] SLA audit failed: ${err.message}`);
+      return { success: false, error: err.message };
+    }
+  }
+}