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)

server/src/api/controllers/CreativeController.ts

@@ -34,7 +34,7 @@ export class CreativeController {
   static async getTask(req: Request, res: Response) {
     const { taskId } = req.params;
     try {
-      const task = await CreativeService.getTask(taskId);
+      const task = await CreativeService.getTask(taskId as string);
       return res.json({ success: true, data: task });
     } catch (err: any) {
       return res.status(500).json({ success: false, error: err.message });