chore: 保存 Agent 安全优化前基线

test/components/ShellClosedOverlay.test.tsx

@@ -12,4 +12,13 @@ describe('remote shell close recovery', () => {
     fireEvent.click(screen.getByRole('button', { name: '重新打开 Shell' }))
     expect(reopen).toHaveBeenCalledTimes(1)
   })
+
+  it('local shell exit never mentions the SSH connection', () => {
+    const reopen = vi.fn()
+    render(<ShellClosedOverlay reason="本地 Shell 已退出" idleTimeout={false} isLocal onReopen={reopen} />)
+
+    expect(screen.getByText('Shell 已退出')).toBeVisible()
+    expect(screen.getByText('重新打开 Shell 即可继续使用本地终端')).toBeVisible()
+    expect(screen.queryByText(/SSH 连接仍可用/)).toBeNull()
+  })
 })