WIP: save current pricing and pricelist changes

internal/handlers/quote.go

@@ -3,8 +3,8 @@ package handlers
 import (
 	"net/http"
 
-	"github.com/gin-gonic/gin"
 	"git.mchus.pro/mchus/quoteforge/internal/services"
+	"github.com/gin-gonic/gin"
 )
 
 type QuoteHandler struct {
@@ -49,3 +49,19 @@ func (h *QuoteHandler) Calculate(c *gin.Context) {
 		"total": result.Total,
 	})
 }
+
+func (h *QuoteHandler) PriceLevels(c *gin.Context) {
+	var req services.PriceLevelsRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	result, err := h.quoteService.CalculatePriceLevels(&req)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, result)
+}