Add clear_screen helper and integrate into menus

src/password_manager/manager.py

@@ -52,6 +52,7 @@ from utils.password_prompt import (
 )
 from utils.memory_protection import InMemorySecret
 from utils.clipboard import copy_to_clipboard
+from utils.terminal_utils import clear_screen
 from constants import MIN_HEALTHY_RELAYS
 
 from constants import (
@@ -2029,7 +2030,7 @@ class PasswordManager:
             totp_list.sort(key=lambda t: t[0].lower())
             print(colored("Press 'b' then Enter to return to the menu.", "cyan"))
             while True:
-                print("\033c", end="")
+                clear_screen()
                 print(colored("Press 'b' then Enter to return to the menu.", "cyan"))
                 generated = [t for t in totp_list if not t[3]]
                 imported_list = [t for t in totp_list if t[3]]