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Show Content page skeleton during startup #4604

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6327d92
fix(content): show page skeleton during startup
3mdistal Sep 9, 2026
54613ce
docs: record Content startup skeleton improvement
3mdistal Sep 9, 2026
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15 changes: 15 additions & 0 deletions templates/content/app/components/layout/ContentLoadingShell.test.tsx
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@@ -0,0 +1,15 @@
import { renderToStaticMarkup } from "react-dom/server";
import { describe, expect, it } from "vitest";

import { ContentLoadingShell } from "./ContentLoadingShell";

describe("ContentLoadingShell", () => {
it("renders before client providers without exposing interactive page content", () => {
const html = renderToStaticMarkup(<ContentLoadingShell />);

expect(html).toContain('aria-busy="true"');
expect(html).not.toMatch(/<(button|a|input|textarea)\b/);
expect(html).not.toContain("contenteditable");
expect(html).not.toContain("data-agent-native-loading-label");
});
});
32 changes: 32 additions & 0 deletions templates/content/app/components/layout/ContentLoadingShell.tsx
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import { DocumentEditorSkeleton } from "@/components/editor/DocumentEditorSkeleton";
import { Skeleton } from "@/components/ui/skeleton";

export function ContentLoadingShell() {
return (
<div
aria-busy="true"
className="flex h-dvh overflow-hidden bg-background text-foreground"
>
<div
aria-hidden="true"
className="hidden w-60 shrink-0 flex-col gap-6 border-e border-border bg-sidebar p-3 min-[1100px]:flex"
>
<Skeleton className="h-8 w-full rounded-md" />
<div className="space-y-3">
<Skeleton className="h-6 w-3/4" />
<Skeleton className="h-6 w-2/3" />
<Skeleton className="h-6 w-3/4" />
</div>
<div className="space-y-3">
<Skeleton className="h-4 w-20" />
<Skeleton className="h-6 w-full" />
<Skeleton className="h-6 w-5/6" />
<Skeleton className="h-6 w-3/4" />
</div>
</div>
<div aria-hidden="true" className="flex min-w-0 flex-1">
<DocumentEditorSkeleton />
</div>
</div>
);
}
2 changes: 2 additions & 0 deletions templates/content/app/root.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@
import { AppToolkitProvider } from "@/components/ui/toolkit-provider";

import changelog from "../CHANGELOG.md?raw";
import { ContentLoadingShell } from "./components/layout/ContentLoadingShell";
import { LocalFolderLiveSync } from "./components/LocalFolderLiveSync";
import { useDbSync } from "./hooks/use-db-sync";
import { useNavigationState } from "./hooks/use-navigation-state";
Expand Down Expand Up @@ -105,7 +106,7 @@
const resolved = resolveLocaleFromRequest({ request });
const messages =
((await i18nCatalog.loadMessages?.(resolved.locale)) as
| LocaleMessages

Check warning on line 109 in templates/content/app/root.tsx

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typescript(no-redundant-type-constituents) 

'LocaleMessages' is an 'error' type that acts as 'any' and overrides all other types in this union type.
| null
| undefined) ?? i18nCatalog.messages;
return {
Expand Down Expand Up @@ -613,6 +614,7 @@
<AppToolkitProvider>
<AppProviders
queryClient={queryClient}
clientOnlyFallback={<ContentLoadingShell />}
disableThemeTransitions={false}
toaster={contentToaster}
i18n={{
Expand Down
6 changes: 6 additions & 0 deletions templates/content/changelog/2026-09-09-startup-page-skeleton.md
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---
type: improved
date: 2026-09-09
---

Pages show a sidebar and document skeleton while the app starts.
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