Add clipboard copy message for totp CLI

src/main.py

@@ -809,6 +809,7 @@ def main(argv: list[str] | None = None) -> int:
         print(code)
         try:
             pyperclip.copy(code)
+            print(colored("Code copied to clipboard", "green"))
         except Exception as exc:
             logging.warning(f"Clipboard copy failed: {exc}")
         return 0

src/tests/test_cli_subcommands.py

@@ -63,4 +63,5 @@ def test_totp_command(monkeypatch, capsys):
     assert rc == 0
     out = capsys.readouterr().out
     assert "123456" in out
+    assert "copied to clipboard" in out.lower()
     assert called.get("val") == "123456"