Added My Schedule tab in attendance screen

Allow 1 Day, Whole Week and Date Range swapping

lib/providers/stream_recovery.dart

@@ -344,6 +344,11 @@ class StreamRecoveryWrapper<T> {
     }
   }
 
+  /// Immediately fetch fresh data via REST without restarting the realtime
+  /// subscription. Use this as a periodic safety net for missed realtime events
+  /// (e.g., when the table is not yet in the supabase_realtime publication).
+  Future<void> pollNow() async => _pollOnce();
+
   /// Manually trigger a recovery attempt.
   void retry() {
     _recoveryAttempts = 0;