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/EcoValueSharingService.ts

@@ -0,0 +1,72 @@
+import db from '../config/database';
+import { AuditService } from './AuditService';
+import { AIService } from './AIService';
+import { FeatureGovernanceService } from '../core/governance/FeatureGovernanceService';
+
+/**
+ * [BIZ_ECO_02] 基于博弈论的供应商价值共享模型 (Eco Value Sharing)
+ * 负责在租户与供应商之间，基于历史表现、利润贡献与风险承担，利用博弈论模型自动分配额外增值收益
+ */
+export class EcoValueSharingService {
+  /**
+   * 计算并执行价值分配
+   */
+  static async calculateAndShare(
+    tenantId: string, 
+    supplierId: string, 
+    totalIncrementalProfit: number, 
+    traceId: string
+  ): Promise<number> {
+    // Feature Flag Check
+    if (!(await FeatureGovernanceService.isEnabled('BIZ_ECO_VALUE_SHARING', tenantId))) {
+      return 0;
+    }
+    // 1. 获取博弈因子 (租户忠诚度、供应商交期稳定性、质量分)
+    const gameFactors = await AIService.getEcoGameFactors(tenantId, supplierId);
+    
+    // 2. 运行博弈论分配模型 (Shapley Value 或 Nash Equilibrium 模拟)
+    const sharingLogic = await AIService.runValueSharingGame(totalIncrementalProfit, gameFactors);
+    const supplierShare = sharingLogic.supplierAmount;
+
+    await db.transaction(async (trx) => {
+      // 3. 记录分配快照
+      const [id] = await trx('cf_eco_value_sharing').insert({
+        tenant_id: tenantId,
+        supplier_id: supplierId,
+        shared_profit_amount: supplierShare,
+        sharing_logic: JSON.stringify(sharingLogic),
+        status: 'CALCULATED'
+      });
+
+      // 4. 执行资金拨付 (模拟)
+      await trx('cf_eco_value_sharing')
+        .where({ id })
+        .update({
+          status: 'TRANSFERRED',
+          updated_at: db.fn.now()
+        });
+
+      // 5. 审计记录
+      await AuditService.log({
+        tenant_id: tenantId,
+        action: 'ECO_VALUE_SHARED',
+        target_type: 'SUPPLIER_RELATION',
+        target_id: supplierId,
+        trace_id: traceId,
+        new_data: JSON.stringify({ sharedAmount: supplierShare, totalProfit: totalIncrementalProfit }),
+        metadata: JSON.stringify({ model: 'Nash Equilibrium' })
+      });
+    });
+
+    return supplierShare;
+  }
+
+  /**
+   * 获取租户所有价值共享记录
+   */
+  static async getSharingHistory(tenantId: string) {
+    return await db('cf_eco_value_sharing')
+      .where({ tenant_id: tenantId })
+      .orderBy('created_at', 'desc');
+  }
+}