chore: refacto

backend/gestion/handlers/zones.go

@@ -1,7 +1,7 @@
 package handlers
 
 import (
-	"gestion/db"
+	"gestion/models"
 	"regexp"
 )
 
@@ -37,7 +37,7 @@ type zoneCheckResult struct {
 // Les zones sont lues depuis la DB (settings.PostalZones).
 // Code postal introuvable → OK = false (refus).
 // Code postal hors de toutes les zones → OK = false (refus).
-func checkDeliveryZone(deliveryAddress string, total float64, zones []db.PostalZone) zoneCheckResult {
+func checkDeliveryZone(deliveryAddress string, total float64, zones []models.PostalZone) zoneCheckResult {
 	code := extractPostalCode(deliveryAddress)
 	if code == "" {
 		return zoneCheckResult{PostalCode: "", ZoneName: "inconnue", MinAmount: 0, OK: false}