feat: Implement customer order management, including package listing, price calculation, and order creation.

backend/internal/api/handlers/cu_order_handler.go

@@ -57,6 +57,8 @@ func (h *CuOrderHandler) GetPackages(c *gin.Context) {
 			"name":              pkg.Name,
 			"type":              pkg.Type,
 			"price":             pkg.Price,
+			"display_price":     pkg.DisplayPrice,
+			"price_description": pkg.PriceDescription,
 			"max_devices":       pkg.MaxDevices,
 			"description":       pkg.Description,
 			"features":          pkg.Features,

backend/internal/models/package.go

@@ -143,6 +143,8 @@ type CuPackageResponse struct {
 	Name             string  `json:"name"`
 	Type             string  `json:"type"`
 	Price            float64 `json:"price"`
+	DisplayPrice     string  `json:"display_price"`
+	PriceDescription string  `json:"price_description"`
 	MaxDevices       int     `json:"max_devices"` // 从features中解析
 	Description      string  `json:"description"`
 	Features         string  `json:"features"`

backend/internal/service/package_service.go

@@ -207,11 +207,21 @@ func (s *packageService) toCuPackageResponse(pkg *models.Package) *models.CuPack
 		details += fmt.Sprintf("%d个许可", maxDevices)
 	}
 
+	// 计算 display_price
+	displayPrice := ""
+	if pkg.Price != 0 {
+		displayPrice = fmt.Sprintf("￥%g", pkg.Price)
+	} else {
+		displayPrice = pkg.PriceDescription
+	}
+
 	return &models.CuPackageResponse{
 		ID:               pkg.ID,
 		Name:             pkg.Name,
 		Type:             pkg.Type,
 		Price:            pkg.Price,
+		DisplayPrice:     displayPrice,
+		PriceDescription: pkg.PriceDescription,
 		MaxDevices:       maxDevices,
 		Description:      pkg.Description,
 		Features:         pkg.Features,