notification system implemented

need refinements

apps/mobile/src/app/(tabs)/attendance.tsx

@@ -13,6 +13,7 @@ import { LinearGradient } from "expo-linear-gradient";
 import { Ionicons } from "@expo/vector-icons";
 import { attendanceApi, Attendance } from "../../api/attendance";
 import { AttendanceCalendar } from "../../components/AttendanceCalendar";
+import { useStatistics } from "../../contexts/StatisticsContext";
 import { theme } from "../../styles/theme";
 import { Animated } from "react-native";
 import { getErrorMessage } from "../../utils/error-helpers";
@@ -20,6 +21,7 @@ import log from "../../utils/logger";
 
 export default function AttendanceScreen() {
   const { getToken, userId } = useAuth();
+  const { clearCache: clearStatisticsCache } = useStatistics();
   const [loading, setLoading] = useState(true);
   const [activeCheckIn, setActiveCheckIn] = useState<Attendance | null>(null);
   const [history, setHistory] = useState<Attendance[]>([]);
@@ -80,6 +82,10 @@ export default function AttendanceScreen() {
       if (!token) return;
 
       await attendanceApi.checkIn("gym", token);
+
+      // Clear statistics cache to force refresh on home screen
+      clearStatisticsCache();
+
       fetchAttendance();
       Alert.alert("Success", "Checked in successfully!");
     } catch (error: unknown) {
@@ -94,6 +100,10 @@ export default function AttendanceScreen() {
       if (!token) return;
 
       await attendanceApi.checkOut(token);
+
+      // Clear statistics cache to force refresh on home screen
+      clearStatisticsCache();
+
       fetchAttendance();
       Alert.alert("Success", "Checked out successfully!");
     } catch (error: unknown) {