feat(pool): add table-driven account batch actions

frontend/src/components/ui/__tests__/checkbox.spec.ts

@@ -0,0 +1,37 @@
+import { afterEach, describe, expect, it } from 'vitest'
+import { createApp, h, nextTick, ref, type App } from 'vue'
+
+import Checkbox from '../checkbox.vue'
+
+const mountedApps: Array<{ app: App, root: HTMLElement }> = []
+
+afterEach(() => {
+  for (const { app, root } of mountedApps.splice(0)) {
+    app.unmount()
+    root.remove()
+  }
+})
+
+describe('Checkbox', () => {
+  it('applies and clears the native indeterminate state', async () => {
+    const indeterminate = ref(true)
+    const root = document.createElement('div')
+    document.body.appendChild(root)
+    const app = createApp({
+      render: () => h(Checkbox, { indeterminate: indeterminate.value }),
+    })
+
+    app.mount(root)
+    mountedApps.push({ app, root })
+
+    const input = root.querySelector<HTMLInputElement>('input[type="checkbox"]')
+    expect(input?.indeterminate).toBe(true)
+    expect(input?.getAttribute('aria-checked')).toBe('mixed')
+
+    indeterminate.value = false
+    await nextTick()
+
+    expect(input?.indeterminate).toBe(false)
+    expect(input?.getAttribute('aria-checked')).toBe('false')
+  })
+})