Stemify iOS 1.1 and WebUI updates, repo restructure into desktop/ios/server/web

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

ios/Stemify/App/StemifyApp.swift

@@ -36,7 +36,10 @@ struct StemifyApp: App {
             RootView()
         }
         .onChange(of: phase) { _, p in
-            if p == .active { AppGraph.shared.eq.refreshRoute() }
+            guard p == .active else { return }
+            AppGraph.shared.eq.refreshRoute()
+            // Keep downloaded playlists in step with the server, like Plexamp.
+            Task { await AppGraph.shared.downloads.refresh() }
         }
     }
 }