Merge remote-tracking branch 'origin/master' into worktree/web-theme-settings-integration-fde706

# Conflicts:
#	.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.i18n.yaml
#	.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.zh.md
#	.agents/notes/implemented/feature/2026-07-30-web-queue-steer-action.i18n.yaml
#	.agents/notes/implemented/feature/2026-07-30-web-queue-steer-action.zh.md
#	.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.i18n.yaml
#	.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.zh.md
#	.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.i18n.yaml
#	apps/web/tests/scaffold.ts
#	docs/module-graph.md
#	packages/client/runtime/README.i18n.yaml
#	packages/client/runtime/package.json
#	packages/client/test-runtime/README.i18n.yaml
#	packages/client/test-runtime/README.zh.md
#	packages/client/ui-conversation/README.i18n.yaml
#	packages/client/ui-conversation/README.zh.md
#	packages/client/ui-conversation/package.json
#	packages/client/ui-conversation/src/client/apply.ts
#	packages/client/ui-theme/README.i18n.yaml
#	packages/client/ui-theme/README.md
#	packages/client/ui-theme/README.zh.md
#	packages/host/apiproxy/README.i18n.yaml
#	packages/host/apiproxy/README.zh.md
#	pnpm-lock.yaml

apps/web/tests/settings-chrome.e2e.ts

@@ -317,7 +317,7 @@ describe('web e2e: settings modal and General preferences', () => {
     await selector.click()
     await page.getByRole('menuitem', { name: 'English' }).click()
     // The settings-owned copy re-registers localized: dialog title, nav,
-    // Appearance labels. (Only the settings namespaces are localized today —
+    // Appearance labels. (Only the settings namespaces are localized —
     // the rest of the app's copy is intentionally out of this row's scope.)
     const enDialog = page.getByRole('dialog', { name: 'Settings' })
     await enDialog.waitFor({ timeout: 10_000 })