fix(cli): sanitize interactive command output

tests/cli/test_gquota_command.py

@@ -0,0 +1,21 @@
+from unittest.mock import MagicMock, patch
+
+
+def test_gquota_uses_chat_console_when_tui_is_live():
+    from agent.google_oauth import GoogleOAuthError
+    from cli import HermesCLI
+
+    cli = HermesCLI.__new__(HermesCLI)
+    cli.console = MagicMock()
+    cli._app = object()
+
+    live_console = MagicMock()
+
+    with patch("cli.ChatConsole", return_value=live_console), \
+         patch("agent.google_oauth.get_valid_access_token", side_effect=GoogleOAuthError("No Google OAuth credentials found")), \
+         patch("agent.google_oauth.load_credentials", return_value=None), \
+         patch("agent.google_code_assist.retrieve_user_quota"):
+        cli._handle_gquota_command("/gquota")
+
+    assert live_console.print.call_count == 2
+    cli.console.print.assert_not_called()