fix: resolve blank screen on return from external links

frontend/src/stores/shuttle.ts

@@ -26,12 +26,25 @@ export const useShuttleStore = defineStore('shuttle', () => {
         }
     }
 
+    // Recarga silenciosa: no activa el spinner (para refocus desde background)
+    async function silentReload() {
+        if (shuttles.value.length === 0) { return loadShuttles() }
+        error.value = null
+        try {
+            shuttles.value = await shuttlesService.getAllShuttles(filters.value)
+        } catch (e) {
+            console.error('Error silent-reloading shuttles:', e)
+            // No mostrar error si ya hay datos
+        }
+    }
+
     return {
         shuttles,
         isLoading,
         error,
         filters,
         loadShuttles,
+        silentReload,
     }
 }, {
     persist: {

frontend/src/stores/taxi.ts

@@ -31,6 +31,18 @@ export const useTaxiStore = defineStore('taxi', () => {
         loadTaxis()
     }
 
+    // Recarga silenciosa: no activa el spinner (para refocus desde background)
+    async function silentReload() {
+        if (taxis.value.length === 0) { return loadTaxis() }
+        error.value = null
+        try {
+            taxis.value = await taxisService.getAllTaxis(filters.value)
+        } catch (e) {
+            console.error('Error silent-reloading taxis:', e)
+            // No mostrar error si ya hay datos
+        }
+    }
+
     return {
         taxis,
         isLoading,
@@ -38,6 +50,7 @@ export const useTaxiStore = defineStore('taxi', () => {
         filters,
         loadTaxis,
         setFilters,
+        silentReload,
     }
 }, {
     persist: {