feat: 实现服务层核心功能与文档更新

refactor(ProductService): 修复createProduct方法和其他方法错误
fix(InventoryAgingService): 修复AGING_THRESHOLD_DAYS引用问题
fix(InventoryService): 修复predictSKUDemand方法
refactor(ChatBotController): 从tsoa风格改为Express风格
fix(CommandCenterController): 修复类型问题
fix(AdAutoService): 修复stock可能为undefined的问题
docs: 更新SERVICE_MAP、DOMAIN_MODEL等架构文档
chore: 启动前端服务(运行在http://localhost:8000)

dashboard/package.json

@@ -18,6 +18,7 @@
     "axios": "^1.6.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
+    "recharts": "^3.8.0",
     "umi": "^4.0.0"
   },
   "devDependencies": {