fix: repair broken pnpm-lock.yaml after merge

The lockfile was broken after merging PR #1271. The merge likely created
an inconsistent state where react-is@19.2.5 was referenced but not properly
defined in the packages section.

This commit regenerates the lockfile by running 'pnpm install --no-frozen-lockfile'
to fix the following error:
[ERR_PNPM_LOCKFILE_MISSING_DEPENDENCY] Broken lockfile: no entry for 'react-is@19.2.5'

Changes:
- Remove unnecessary dependencies (yaml@2.8.1, css-to-react-native, etc.)
- Fix vite and styled-components dependency chains

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: AtsushiM