pénzügyi modul továbbfejlesztése (csomagkezelés)

frontend_app/src/stores/vehicle.ts

@@ -138,7 +138,27 @@ export const useVehicleStore = defineStore('vehicle', () => {
    * Fetch all vehicles/assets for the current user or their organization.
    * GET /assets/vehicles
    */
+  // P0 BUGFIX (2026-07-28): Deduplication guard to prevent multiple simultaneous
+  // calls from DashboardView.onMounted() and child components.
+  let _vehicleFetchInProgress = false
+
+  /**
+   * P0 BUGFIX (2026-07-28): Context-switching data leak fix.
+   * Clears the local vehicle cache and resets the deduplication guard.
+   * Called by DashboardView before re-fetching after organization switch.
+   */
+  function clearCache() {
+    _vehicleFetchInProgress = false
+    vehicles.value = []
+    error.value = null
+  }
+
   async function fetchVehicles() {
+    if (_vehicleFetchInProgress) {
+      // Skip duplicate: a fetch is already in flight
+      return vehicles.value
+    }
+    _vehicleFetchInProgress = true
     isLoading.value = true
     error.value = null
 
@@ -154,6 +174,7 @@ export const useVehicleStore = defineStore('vehicle', () => {
       console.error('[VehicleStore] fetchVehicles error:', err)
     } finally {
       isLoading.value = false
+      _vehicleFetchInProgress = false
     }
   }
 
@@ -433,6 +454,7 @@ export const useVehicleStore = defineStore('vehicle', () => {
     sortedVehicles,
 
     // Actions
+    clearCache,
     fetchVehicles,
     fetchVehicleById,
     createVehicle,