移除策划页面多余的总控状态面板

Design Agent 激活时不再渲染旧总控运行状态面板。
在现有策划会话测试中补充总控状态面板不显示的断言。

apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx

@@ -698,9 +698,9 @@ export function ProjectSupervisorView({
             </div>
           ) : null}
         </div>
-        {directCodex ? null : (
+        {!directCodex && !designAgentActive ? (
           <ProjectSupervisorRuntimePanel {...runtimePanelProps} />
-        )}
+        ) : null}
         {pendingCommand ? (
           <div className="pending-command">
             <span>

apps/ai-game-creator-shell/tests/appSurface/design-agent.suite.ts

@@ -116,6 +116,7 @@ export function registerDesignAgentSurfaceTests() {
     );
 
     await screen.findByLabelText('批准');
+    expect(screen.queryByLabelText('项目总控 Agent 状态')).toBeNull();
     expect(
       harness.invoke.mock.calls.some(
         ([command]) => command === 'hydrate_design_agent_session',