feat: release OpsXShell 2.1.1

test/components/ShellClosedOverlay.test.tsx

@@ -0,0 +1,15 @@
+import { fireEvent, render, screen } from '@testing-library/react'
+import { describe, expect, it, vi } from 'vitest'
+import { ShellClosedOverlay } from '../../src/components/terminal/TerminalOverlay'
+
+describe('remote shell close recovery', () => {
+  it('explains remote TMOUT without claiming the pooled SSH connection is dead', () => {
+    const reopen = vi.fn()
+    render(<ShellClosedOverlay reason="远端 Shell 因空闲策略（TMOUT）自动退出" idleTimeout onReopen={reopen} />)
+
+    expect(screen.getByText('空闲超时，Shell 已退出')).toBeVisible()
+    expect(screen.getByText(/SSH 连接仍可用/)).toBeVisible()
+    fireEvent.click(screen.getByRole('button', { name: '重新打开 Shell' }))
+    expect(reopen).toHaveBeenCalledTimes(1)
+  })
+})