diff --git a/app/composables/useComponentEdit.ts b/app/composables/useComponentEdit.ts
index 36b0972..1f8ec31 100644
--- a/app/composables/useComponentEdit.ts
+++ b/app/composables/useComponentEdit.ts
@@ -313,9 +313,8 @@ export function useComponentEdit(componentId: string) {
   })
 
   const savePieceSlotSelection = async (slotId: string, selectedPieceId: string | null) => {
-    try {
-      await patch(`/composant-piece-slots/${slotId}`, { selectedPieceId })
-      // Update local structure
+    const result = await patch(`/composant-piece-slots/${slotId}`, { selectedPieceId })
+    if (result.success) {
       const structure = component.value?.structure
       if (structure?.pieces) {
         const slot = (structure.pieces as any[]).find((s: any) => s.slotId === slotId)
@@ -323,14 +322,11 @@ export function useComponentEdit(componentId: string) {
       }
       toast.showSuccess('Pièce mise à jour')
     }
-    catch (error: any) {
-      toast.showError(error?.message || 'Erreur lors de la mise à jour')
-    }
   }
 
   const saveProductSlotSelection = async (slotId: string, selectedProductId: string | null) => {
-    try {
-      await patch(`/composant-product-slots/${slotId}`, { selectedProductId })
+    const result = await patch(`/composant-product-slots/${slotId}`, { selectedProductId })
+    if (result.success) {
       const structure = component.value?.structure
       if (structure?.products) {
         const slot = (structure.products as any[]).find((s: any) => s.slotId === slotId)
@@ -338,14 +334,11 @@ export function useComponentEdit(componentId: string) {
       }
       toast.showSuccess('Produit mis à jour')
     }
-    catch (error: any) {
-      toast.showError(error?.message || 'Erreur lors de la mise à jour')
-    }
   }
 
   const saveSubcomponentSlotSelection = async (slotId: string, selectedComposantId: string | null) => {
-    try {
-      await patch(`/composant-subcomponent-slots/${slotId}`, { selectedComposantId })
+    const result = await patch(`/composant-subcomponent-slots/${slotId}`, { selectedComposantId })
+    if (result.success) {
       const structure = component.value?.structure
       if (structure?.subcomponents) {
         const slot = (structure.subcomponents as any[]).find((s: any) => s.slotId === slotId)
@@ -353,9 +346,6 @@ export function useComponentEdit(componentId: string) {
       }
       toast.showSuccess('Sous-composant mis à jour')
     }
-    catch (error: any) {
-      toast.showError(error?.message || 'Erreur lors de la mise à jour')
-    }
   }
 
   const saveSlotQuantity = async (entry: SelectionEntry) => {