ui: Update vulnerable packages + cleanup Storybook config (#26607)
* chore: Upgrade Storybook
* chore: Bump package-lock
* chore: bump vitest to 4.1.10
* ui: bump fast-uri to 3.1.5
* ui: bump ip-address to 10.4.0
* ui: bump js-yaml to 4.3.1
* ui: bump immutable to 5.1.9
* ui: bump postcss to 8.5.25
* ui: bump brace-expansion to safe versions
* ui: bump sharp to 0.35.3 via override
* ui: bump body-parser to 2.3.0
* ui: bump vite to 7.3.6 and esbuild to 0.28.1
Assisted-by: Claude Sonnet
* ui: bump hono to 4.13.0
* ui: bump dompurify to 3.4.13
* ui: bump @sveltejs/kit to 2.70.2
* ui: bump @modelcontextprotocol/sdk to 1.30.0
* ui: bump valibot to 1.4.2 via override
* chore: Remove legacy setup file
* refactor: Nits cleanup