It's version 0.6.1 I fixed the set command before, if the user didn't exist, it wouldn't record him.

storage/users_storage.py

@@ -11,11 +11,23 @@ def save_user(user_id: int, group: str = "30тс"):
 def set_group(user_id: int, group: str = "30тс"):
     db = get_db()
     cur = db.cursor()
-    cur.execute("UPDATE users SET user_group = ? WHERE user_id = ?", (group, user_id))
+
+    # проверяем, есть ли пользователь
+    cur.execute("SELECT 1 FROM users WHERE user_id = ?", (user_id,))
+    exists = cur.fetchone()
+
+    if exists:
+        # если есть — обновляем группу
+        cur.execute("UPDATE users SET user_group = ? WHERE user_id = ?", (group, user_id))
+    else:
+        # если нет — регистрируем нового пользователя
+        cur.execute("INSERT INTO users (user_id, user_group) VALUES (?, ?)", (user_id, group))
+
     db.commit()
     cur.close()
     db.close()
 
+
 def get_group(user_id: int, default: str = "30тс") -> str:
     db = get_db()
     cur = db.cursor()