refactor(terminology): 统一术语标准并优化代码类型安全

- 将B2B统一为TOB术语
- 将状态值统一为大写格式
- 优化类型声明，避免使用any
- 将float类型替换为decimal以提高精度
- 新增术语标准化文档
- 优化路由结构和菜单分类
- 添加TypeORM实体类
- 增强加密模块安全性
- 重构前端路由结构
- 完善任务模板和验收标准

server/src/api/routes/product.ts

@@ -25,4 +25,15 @@ router.post('/', requireTraceContext, requirePermission('product:write'), Produc
 router.put('/:id', requireTraceContext, requirePermission('product:write'), ProductController.update);
 router.delete('/:id', requireTraceContext, requirePermission('product:delete'), ProductController.delete);
 
+// [BE-P006] Multi-platform product mapping
+router.post('/platform-mapping', requireTraceContext, requirePermission('product:write'), ProductController.createPlatformMapping);
+router.get('/:productId/platform-mappings', requireTraceContext, ProductController.getPlatformMappings);
+
+// [BE-P007] Batch operations
+router.post('/batch', requireTraceContext, requirePermission('product:write'), ProductController.batchOperation);
+
+// [BE-P008] Cross-platform inventory sync
+router.post('/:productId/sync-inventory', requireTraceContext, requirePermission('product:write'), ProductController.syncInventory);
+router.get('/:productId/sync-status', requireTraceContext, ProductController.getSyncStatus);
+
 export default router;