[Website] Delay autosave nudge until dismissal can save the new Playground

[adamziel]

What it does

Delays the autosave restore nudge until the fresh matching Playground can be saved, so No, thanks no longer runs before the new Playground has an active client.

The site-selection flow and popover actions are unchanged. This PR only gates rendering of the nudge until the active site:

• is not the autosave being offered for restore;
• has a PlaygroundClient;
• matches the nudge’s setup URL fingerprint.

Rationale

When a matching autosave exists, the restore nudge could appear before the fresh temporary Playground had an active PlaygroundClient. If the user clicked No, thanks during that window, autosaveTemporarySite() tried to save before persistTemporarySite() could find a client.

That produced:

must have an active client to be saved

and left the user at the same restore prompt.

Waiting to show the nudge keeps the fix local to the popover display and avoids changing the app’s site-selection flow.

Testing instructions

npm exec nx run playground-website:lint
npm exec nx run playground-website:typecheck

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adjusts the restore-autosave nudge flow so users can’t dismiss it (“No, thanks”) before the fresh temporary Playground has fully booted, avoiding autosave attempts without an active client.

Changes:

• Capture the temporarySiteSlug from createNewTemporarySite() and store it in autosaveNudge state.
• Use the captured temporarySiteSlug when calling autosaveTemporarySite() on nudge dismissal.
• Add a Playwright regression test covering immediate dismissal of the restore nudge after reloading a setup URL.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
packages/playground/website/src/components/ensure-playground-site/ensure-playground-site-is-selected.tsx	Gate nudge rendering until a temporary site is created; autosave the correct site slug on dismissal.
packages/playground/website/playwright/e2e/website-ui.spec.ts	Add Chromium-only regression test for immediate restore-nudge dismissal behavior.

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