[codex] Fix live turn spinner animation

src/foundation/live_turn.py

@@ -361,11 +361,19 @@ def render_detail_panel(state: TurnLiveState, *, elapsed_seconds: float) -> Rend
     return Panel(table, border_style="cyan", title="foundation · live turn", title_align="left")
 
 
-def render_collapsed(state: TurnLiveState, *, elapsed_seconds: float) -> RenderableType:
+def render_collapsed(
+    state: TurnLiveState,
+    *,
+    elapsed_seconds: float,
+    spinner: Spinner | None = None,
+) -> RenderableType:
     status = render_status_line(state, elapsed_seconds=elapsed_seconds)
     if state.finished:
         return status
-    spinner = Spinner("dots", text=status, style="cyan")
+    if spinner is None:
+        spinner = Spinner("dots", text=status, style="cyan")
+    else:
+        spinner.update(text=status, style="cyan")
     return Group(
         spinner,
         Text("press ? for detail · Ctrl-C to cancel", style="dim"),
@@ -410,6 +418,7 @@ def __init__(
         self._expanded = False
         self._started_at = 0.0
         self._live: Live | None = None
+        self._spinner = Spinner("dots", style="cyan")
         self._keypress_thread: threading.Thread | None = None
         self._keypress_stop = threading.Event()
         self._old_termios: Any = None
@@ -528,7 +537,7 @@ def _render(self) -> RenderableType:
         state_copy = self.state
         if self._expanded:
             return render_detail_panel(state_copy, elapsed_seconds=elapsed)
-        return render_collapsed(state_copy, elapsed_seconds=elapsed)
+        return render_collapsed(state_copy, elapsed_seconds=elapsed, spinner=self._spinner)
 
     # --- keypress handling ------------------------------------------------
 

tests/test_live_turn.py

@@ -199,6 +199,18 @@ def _render_to_text(renderable) -> str:
     return console.export_text()
 
 
+def _render_to_text_at(renderable, now: float) -> str:
+    console = Console(
+        file=io.StringIO(),
+        force_terminal=False,
+        width=80,
+        record=True,
+        get_time=lambda: now,
+    )
+    console.print(renderable)
+    return console.export_text()
+
+
 def test_render_status_line_shows_running_action():
     state = TurnLiveState(
         iteration=2,
@@ -258,6 +270,19 @@ def test_render_collapsed_includes_help_hint():
     assert "?" in text
 
 
+def test_renderer_reuses_spinner_across_collapsed_refreshes():
+    renderer = LiveTurnRenderer(
+        console=Console(file=io.StringIO(), force_terminal=False, width=80),
+        enable_keypress=False,
+    )
+    renderer.on_event(EVENT_SESSION_START, {"request_id": "r"})
+
+    first = _render_to_text_at(renderer._render(), now=0.0)
+    second = _render_to_text_at(renderer._render(), now=0.5)
+
+    assert first[0] != second[0]
+
+
 def test_render_detail_panel_lists_completed_steps():
     state = TurnLiveState(
         iteration=1,