Installed skills for the SvelteKit/Tailwind/Vite stack under
web-player/.agents/skills (source of truth) with web-player/.claude/skills
symlinked to it for tool compatibility, plus skills-lock.json tracking
each skill's registry source and content hash.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Updates the compose build context, the Dockerfile header, the package
name and the docs. The compose service and container keep the name
frontend/musify-frontend, since nginx routes to http://frontend:3000.
The source files also carry the first prettier pass, so the rename and
the reformat land together for them.