test(10.1-04): bring the SPA extension point under Vitest

- WidgetField: skeleton and aria-busy, the 5000 ms whenDefined timeout,
  script failure, attributes only, fill-values and locale sync, one POST
  while busy, fill-key-only patching, danger toasts, unmount
- PartialHost and partialNodes: exhaustive tag, attribute and URL
  allowlist, depth and node caps, skeleton sizes, empty, failure,
  busy refetch and ?id= only with a record
- PartialField, ListToolbar, ListView, registry, formState, FormField and
  FormView: group labels, registered toolbar actions, header refetch
  rules, form context provision and asset loading

admin/tests/list/ListToolbar.test.ts

@@ -55,3 +55,56 @@ describe('list toolbar (D-14)', () => {
     expect(wrapper.find('[data-action="delete"]').exists()).toBe(false)
   })
 })
+
+describe('registered toolbar actions (D-12, UI-SPEC S4)', () => {
+  const actions = [
+    { name: 'archive', label: 'Archive' },
+    { name: 'recount', label: 'Recount' },
+  ]
+
+  function names(wrapper: ReturnType<typeof mount>): (string | null)[] {
+    return wrapper.findAll('[data-action]').map((button) => button.attributes('data-action') ?? null)
+  }
+
+  it('renders custom names after delete in declared order as outline buttons', () => {
+    const wrapper = mount(ListToolbar, { props: { ...base, buttons: ['delete', 'recount', 'archive'], actions } })
+    expect(names(wrapper)).toEqual(['delete', 'recount', 'archive'])
+    const recount = wrapper.find('[data-action="recount"]')
+    expect(recount.text()).toBe('Recount')
+    expect(recount.classes()).toContain('border-border-strong')
+    expect(recount.find('svg').exists()).toBe(false)
+  })
+
+  it('keeps the actions enabled without a selection and while one exists', async () => {
+    const wrapper = mount(ListToolbar, { props: { ...base, buttons: ['delete', 'recount'], actions } })
+    const recount = () => wrapper.find('[data-action="recount"]')
+    expect(recount().attributes('disabled')).toBeUndefined()
+    expect(recount().attributes('aria-busy')).toBeUndefined()
+    await wrapper.setProps({ selectedCount: 3, selectedLabel: 'Selected 3' })
+    expect(recount().attributes('disabled')).toBeUndefined()
+    await recount().trigger('click')
+    expect(wrapper.emitted('action')).toEqual([['recount']])
+    expect(wrapper.emitted('delete')).toBeUndefined()
+  })
+
+  it('disables only the busy action and marks it aria-busy', async () => {
+    const wrapper = mount(ListToolbar, { props: { ...base, buttons: ['recount', 'archive'], actions, busyAction: 'recount' } })
+    const recount = wrapper.find('[data-action="recount"]')
+    expect(recount.attributes('disabled')).toBeDefined()
+    expect(recount.attributes('aria-busy')).toBe('true')
+    await recount.trigger('click')
+    expect(wrapper.emitted('action')).toBeUndefined()
+    const archive = wrapper.find('[data-action="archive"]')
+    expect(archive.attributes('disabled')).toBeUndefined()
+    expect(archive.attributes('aria-busy')).toBeUndefined()
+    await archive.trigger('click')
+    expect(wrapper.emitted('action')).toEqual([['archive']])
+  })
+
+  it('does not render names missing from actions or the create button', () => {
+    const wrapper = mount(ListToolbar, { props: { ...base, buttons: ['create', 'delete', 'launch', 'recount'], actions: [actions[1]!] } })
+    expect(names(wrapper)).toEqual(['delete', 'recount'])
+    const bare = mount(ListToolbar, { props: { ...base, buttons: ['recount'] } })
+    expect(bare.find('[data-action]').exists()).toBe(false)
+  })
+})