fix(sync): add foreground sync, remove manual sync button

- Add scenePhase observer to sync when app returns to foreground
- Remove misleading "Sync Schedules" button from Settings (it only
  reloaded local data, didn't actually sync from CloudKit)
- Fix GamesHistoryView to refresh list after deleting a visit

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

SportsTime/Features/Progress/Views/GamesHistoryView.swift

@@ -18,7 +18,12 @@ struct GamesHistoryView: View {
             }
         }
         .navigationTitle("Games Attended")
-        .sheet(item: $selectedVisit) { visit in
+        .sheet(item: $selectedVisit, onDismiss: {
+            // Refresh data after sheet closes (handles deletion case)
+            Task {
+                await viewModel?.loadGames()
+            }
+        }) { visit in
             if let stadium = AppDataProvider.shared.stadium(for: visit.stadiumId) {
                 VisitDetailView(visit: visit, stadium: stadium)
             }