fix: normalize reasoning effort ordering in UI

tests/hermes_cli/test_reasoning_effort_menu.py

@@ -0,0 +1,34 @@
+import sys
+import types
+
+
+from hermes_cli.main import _prompt_reasoning_effort_selection
+
+
+class _FakeTerminalMenu:
+    last_choices = None
+
+    def __init__(self, choices, **kwargs):
+        _FakeTerminalMenu.last_choices = choices
+        self._cursor_index = kwargs.get("cursor_index")
+
+    def show(self):
+        return self._cursor_index
+
+
+def test_reasoning_menu_orders_minimal_before_low(monkeypatch):
+    fake_module = types.SimpleNamespace(TerminalMenu=_FakeTerminalMenu)
+    monkeypatch.setitem(sys.modules, "simple_term_menu", fake_module)
+
+    selected = _prompt_reasoning_effort_selection(
+        ["low", "minimal", "medium", "high"],
+        current_effort="medium",
+    )
+
+    assert selected == "medium"
+    assert _FakeTerminalMenu.last_choices[:4] == [
+        "  minimal",
+        "  low",
+        "  medium  ← currently in use",
+        "  high",
+    ]