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/routes/finance.ts

@@ -1,10 +1,10 @@
 import { Router } from 'express';
 import { requirePermission } from '../../core/guards/rbac.guard';
 import { requireTraceContext } from '../../core/guards/trace-context.guard';
-import { CommodityHedgingService } from '../../services/CommodityHedgingService';
-import { PoolSourcingService } from '../../services/PoolSourcingService';
-import { SovereignCreditPoolService } from '../../services/SovereignCreditPoolService';
-import { SovereigntySettlementService } from '../../services/SovereigntySettlementService';
+import { CommodityHedgingService } from '../../services/core/CommodityHedgingService';
+import { PoolSourcingService } from '../../services/integration/PoolSourcingService';
+import { SovereignCreditPoolService } from '../../services/sovereignty/SovereignCreditPoolService';
+import { SovereigntySettlementService } from '../../services/sovereignty/SovereigntySettlementService';
 import { PricingController } from '../controllers/PricingController';
 import { SettlementController } from '../controllers/SettlementController';
 import { ReconciliationController } from '../controllers/ReconciliationController';