Cache improvement

src/application/utilities.ts

@@ -21,7 +21,17 @@ export async function downloadCache<T extends { id: string; updatedAt: Date }>(e
   }
 
   const items = response.data ?? []
+  const serverItemIds = new Set(items.map((item) => item.id))
 
+  // Remove items that don't exist on server
+  const existingItems = await storage.getAll()
+  for (const existingItem of existingItems) {
+    if (!serverItemIds.has(existingItem.id)) {
+      await storage.delete(existingItem.id)
+    }
+  }
+
+  // Update or add new items
   for (const item of items) {
     let overwrite = false
     const existingItem = await storage.getById(item.id)