test(website): cover stable changelog promotion

[benvinegar]

Summary

• update changelog browser coverage after 0.21 graduated from beta to stable
• assert that the 0.21 page retains prerelease anchors while publishing stable install/update guidance
• assert that the changelog index moves its single Latest marker to 0.21

The generated stable changelog was correct, but the browser smoke tests still encoded the pre-publication beta-only state and blocked the post-release website workflow.

Validation

• bun run website:check
• bun run website:build
• bun run website:test:browser — 101 passed, 1 intentionally skipped
• git diff --check

This PR description was generated by Pi using gpt-5.6-sol

[vercel]

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Project	Deployment	Actions	Updated
hunk-web	Ready	Preview	Sep 2, 2026 3:57pm UTC

[greptile-apps]

Greptile Summary

Updates browser smoke coverage to reflect Hunk 0.21’s promotion from prerelease to stable.

• Verifies stable and prerelease headings and anchors remain available on the 0.21 changelog page.
• Verifies stable install and update guidance is rendered.
• Verifies the changelog index has no prerelease marker and exactly one latest marker.
• Adds an empty changeset for the test-only update.

Confidence Score: 5/5

The PR appears safe to merge.

The changed browser expectations match the generated stable changelog content and existing generator contracts, with no blocking or independently actionable issue identified.

Important Files Changed

Filename	Overview
website/tests/changelog-smoke.spec.ts	Updates Playwright expectations for the stable 0.21 changelog state without introducing an actionable defect.
.changeset/violet-lizards-sing.md	Adds an intentionally empty changeset for a test-only change.

_{Reviews (1): Last reviewed commit: "test(website): cover stable changelog pr..." | Re-trigger Greptile}