test(cli): lock disabled dream cursor advancement

tests/cli/test_commands.py

@@ -10,6 +10,7 @@ from unittest.mock import AsyncMock, MagicMock, patch
 import pytest
 from typer.testing import CliRunner
 
+from nanobot.agent.memory import MemoryStore
 from nanobot.bus.events import InboundMessage, OutboundMessage
 from nanobot.cli import commands as cli_commands
 from nanobot.cli.commands import app
@@ -140,6 +141,19 @@ def test_gateway_tty_signal_mode_restores_ctrl_c(monkeypatch) -> None:
         os.close(slave_fd)
 
 
+def test_disabled_dream_cursor_only_advances_when_behind(tmp_path) -> None:
+    store = MemoryStore(tmp_path)
+    store.append_history("first")
+    store.append_history("second")
+
+    cli_commands._advance_dream_cursor_if_behind(store)
+    assert store.get_last_dream_cursor() == 2
+
+    store.set_last_dream_cursor(10)
+    cli_commands._advance_dream_cursor_if_behind(store)
+    assert store.get_last_dream_cursor() == 10
+
+
 @pytest.fixture
 def mock_paths():
     """Mock config/workspace paths for test isolation."""