⬆️ chore(ui): update deps and remediate npm audit

[ebigunso]

Summary

• update sleep-ui dev dependencies including @sveltejs/kit, @sveltejs/adapter-auto, and vitest
• add npm override for cookie to resolve advisory without unsafe downgrade path
• regenerate lockfile and verify install/check/build/tests

Validation

• npm install
• npm audit (0 vulnerabilities)
• npm run test:unit
• npm run check
• npm run build

[Copilot]

Pull request overview

This PR updates several critical devDependencies in the sleep-ui package to address npm audit vulnerabilities and keep dependencies current. The primary focus is on upgrading SvelteKit ecosystem packages, the testing framework (vitest), and applying a cookie package override to resolve a security advisory.

Changes:

• Updated @sveltejs/kit from 2.5.0 to 2.53.0 and @sveltejs/adapter-auto from 6.1.0 to 7.0.1
• Upgraded vitest from 1.6.0 to 4.0.18 (major version bump from v1 to v4)
• Added npm override for cookie package to ^0.7.2 to remediate security vulnerability

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
sleep-ui/package.json	Updated devDependencies for @sveltejs/adapter-auto, @sveltejs/kit, and vitest; added cookie override to resolve security advisory
sleep-ui/package-lock.json	Regenerated lockfile reflecting all transitive dependency updates from the package.json changes; cookie 0.7.2 is correctly applied throughout the dependency tree

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.