should have push notifs as well as Battery SOC monitoring

lib/BlindMasterScreens/individualControl/peripheral_screen.dart

@@ -124,6 +124,27 @@ class _PeripheralScreenState extends State<PeripheralScreen> {
           }
         });
         
+        socket?.on("battery_alert", (data) {
+          if (data is! Map<String, dynamic>) return;
+          if (data['deviceId'] != widget.deviceId) return;
+          if (!mounted) return;
+          final type = data['type'] as String? ?? '';
+          final soc  = data['soc']  as int?    ?? 0;
+          final (String message, Color color) = switch (type) {
+            'overvoltage'          => ('Battery fault detected. Please check your charger.', Colors.red),
+            'critical_low'        => ('Battery critically low ($soc%). Device shutting down.', Colors.red),
+            'low_voltage_warning' => ('Battery voltage dip detected ($soc%). Monitor closely.', Colors.orange),
+            'low_20'              => ('Battery low: $soc% remaining. Consider charging soon.', Colors.orange),
+            'low_10'              => ('Battery very low: $soc% remaining. Charge now.', Colors.deepOrange),
+            _                     => ('Battery alert received ($soc%).', Colors.orange),
+          };
+          ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+            content: Text(message),
+            backgroundColor: color,
+            duration: const Duration(seconds: 6),
+          ));
+        });
+
         socket?.on("calib", (periphData) {
           if (periphData is Map<String, dynamic>) {
             if (periphData['periphID'] == widget.peripheralId) {