Fix model issues.

internal/storage/notifications/read.go

@@ -27,7 +27,7 @@ func GetNotificationCount(db *sql.DB, userID int) int {
 	var count int
 	err := db.QueryRow(`
 		SELECT COUNT(*) FROM users_notification
-		WHERE userId = ? AND is_read = FALSE`, userID).Scan(&count)
+		WHERE user_Id = ? AND is_read = FALSE`, userID).Scan(&count)
 
 	if err != nil {
 		log.Println("⚠️ Failed to count notifications:", err)
@@ -41,7 +41,7 @@ func GetRecentNotifications(db *sql.DB, userID int, limit int) []models.Notifica
 	rows, err := db.Query(`
 		SELECT id, subject, body, is_read, created_at
 		FROM users_notification
-		WHERE userId = ?
+		WHERE user_Id = ?
 		ORDER BY created_at DESC
 		LIMIT ?`, userID, limit)
 	if err != nil {