docs(gui): regenerate graphs and sync the note's English pair

Generated docs follow the ui-models rename and the removed
ui-settings-general package; the English note side picks up the
feature-owner self-registration doctrine.

packages/client/locale/tests/language-row.spec.tsx

@@ -0,0 +1,82 @@
+// @vitest-environment jsdom
+/** LanguageRow behavior: selector pill shows the active locale, the menu
+ * opens/closes, and selection drives setLocale. */
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { act, cleanup, fireEvent, render, screen } from '@testing-library/react'
+import { createSnapshotStore, type SessionListState, type WorkspaceListState } from '@deepseek-ai/dsh-client-runtime/client'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
+import { LanguageRow } from '../src/client/LanguageRow.tsx'
+import type { LanguageRowComponentProps } from '../src/client/LanguageRow.tsx'
+import { createLanguageRowStore } from '../src/client/settings-store.ts'
+
+afterEach(cleanup)
+
+const OPTIONS = [{ id: 'zh', label: '中文' }, { id: 'en', label: 'English' }]
+
+/** Empty global standard-kit hooks (the row reads neither). */
+function emptySessions() {
+  const store = createSnapshotStore<SessionListState>(
+    { ids: [], byId: {}, current: undefined, intent: undefined, phase: 'ready' })
+  return bindSnapshotSelector(store)
+}
+function emptyWorkspaces() {
+  const store = createSnapshotStore<WorkspaceListState>({
+    items: [], intent: undefined, state: 'idle', phase: 'ready', error: null,
+    baselinesReady: true, recentWorkspaceId: undefined,
+  })
+  return bindSnapshotSelector(store)
+}
+
+function mount(active = 'en') {
+  // Real store instance — the sanctioned zero-machinery path for tests.
+  const store = createLanguageRowStore().create()
+  store.actions.sync(active, OPTIONS, 0)
+  const setLocale = vi.fn()
+  const props: LanguageRowComponentProps = {
+    useSessions: emptySessions(),
+    useWorkspaces: emptyWorkspaces(),
+    useStore: bindSnapshotSelector(store),
+    actions: store.actions,
+    t: (key: string) => key === 'language.title' ? 'Language' : key,
+    setLocale,
+  }
+  render(<LanguageRow {...props} />)
+  return { store, setLocale }
+}
+
+describe('LanguageRow', () => {
+  it('shows the title and the active locale label on the selector pill', () => {
+    mount('en')
+    expect(screen.getByText('Language')).toBeDefined()
+    const trigger = screen.getByRole('button', { name: /English/ })
+    expect(trigger.getAttribute('aria-expanded')).toBe('false')
+  })
+
+  it('opens the menu, selects a locale, and closes', () => {
+    const b = mount('en')
+    const trigger = screen.getByRole('button', { name: /English/ })
+    fireEvent.click(trigger)
+    expect(trigger.getAttribute('aria-expanded')).toBe('true')
+    fireEvent.click(screen.getByRole('menuitem', { name: '中文' }))
+    expect(b.setLocale).toHaveBeenCalledWith('zh')
+    expect(trigger.getAttribute('aria-expanded')).toBe('false')
+    expect(screen.queryByRole('menuitem', { name: '中文' })).toBeNull()
+  })
+
+  it('closes on outside pointerdown without selecting', () => {
+    const b = mount('en')
+    fireEvent.click(screen.getByRole('button', { name: /English/ }))
+    expect(screen.getByRole('menuitem', { name: '中文' })).toBeDefined()
+    fireEvent.pointerDown(document.body)
+    expect(screen.queryByRole('menuitem', { name: '中文' })).toBeNull()
+    expect(b.setLocale).not.toHaveBeenCalled()
+  })
+
+  it('follows store changes; an unknown active id falls back to the id itself', () => {
+    const b = mount('en')
+    act(() => { b.store.actions.sync('zh', OPTIONS, 1) })
+    expect(screen.getByRole('button', { name: /中文/ })).toBeDefined()
+    act(() => { b.store.actions.sync('fr', OPTIONS, 2) })
+    expect(screen.getByRole('button', { name: /fr/ })).toBeDefined()
+  })
+})

packages/client/locale/tests/settings-store.spec.ts

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+/** Language row store: snapshot-mirror action and the revision guard. */
+import { describe, expect, it } from 'vitest'
+import { createLanguageRowStore } from '../src/client/settings-store.ts'
+
+const OPTIONS = [{ id: 'zh', label: '中文' }, { id: 'en', label: 'English' }]
+
+describe('createLanguageRowStore', () => {
+  it('init shape: empty mirror with revision at -1', () => {
+    const store = createLanguageRowStore().create()
+    expect(store.getSnapshot()).toEqual({ active: '', options: [], revision: -1 })
+  })
+
+  it('sync mirrors the snapshot and advances the revision', () => {
+    const store = createLanguageRowStore().create()
+    store.actions.sync('zh', OPTIONS, 0)
+    expect(store.getSnapshot()).toEqual({ active: 'zh', options: OPTIONS, revision: 0 })
+    store.actions.sync('en', OPTIONS, 1)
+    expect(store.getSnapshot().active).toBe('en')
+    expect(store.getSnapshot().revision).toBe(1)
+  })
+
+  it('revision guard drops stale and duplicate writes', () => {
+    const store = createLanguageRowStore().create()
+    store.actions.sync('en', OPTIONS, 5)
+    store.actions.sync('zh', OPTIONS, 4)
+    store.actions.sync('zh', OPTIONS, 5)
+    expect(store.getSnapshot().active).toBe('en')
+    expect(store.getSnapshot().revision).toBe(5)
+  })
+})