Initial commit: Vuelato - buscador de vuelos

Nuxt 4 + Supabase + Flightics API. Incluye búsqueda de vuelos,
inspiraciones, watchlist, tracking de precios y mapa interactivo.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/composables/useDestinationImages.ts

@@ -0,0 +1,32 @@
+const imageCache = reactive<Record<string, { thumb_url: string; image_url: string; photographer: string; photographer_url: string } | null>>({})
+const pending = new Set<string>()
+
+export function useDestinationImages() {
+  async function fetchImage(cityName: string) {
+    const key = cityName.trim().toLowerCase()
+    if (key in imageCache || pending.has(key)) return
+    pending.add(key)
+
+    try {
+      const data = await $fetch<{ thumb_url: string; image_url: string; photographer: string; photographer_url: string } | null>('/api/destination-image', {
+        query: { city: cityName },
+      })
+      imageCache[key] = data
+    } catch {
+      imageCache[key] = null
+    } finally {
+      pending.delete(key)
+    }
+  }
+
+  function getImage(cityName: string) {
+    const key = cityName.trim().toLowerCase()
+    return imageCache[key] ?? null
+  }
+
+  function prefetch(cityNames: string[]) {
+    cityNames.forEach(name => fetchImage(name))
+  }
+
+  return { fetchImage, getImage, prefetch, imageCache }
+}