✅ Quick window open close

Category	Ability
Status	Passing
Test	tests/test_action_timing.py::test_quick_window_open_close

Engine behavior test.

Preconditions

• Fresh game state

Action

• open_quick_window(state), close_quick_window(opened)

Expected Postconditions

• is_quick_window_open reflects the flag correctly after each call.

• Original states unchanged (copy-on-write).

Assertions

assert is_quick_window_open(state) is False
    assert is_quick_window_open(opened) is True
    assert is_quick_window_open(closed) is False