v0.6.0

Changelog

• 87b86a9 docs(bench): add admin-dashboard and landing-hero-2 case studies
• 0d7dfc0 docs(changelog): add 0.6.0 entry
• 57b5de5 docs(readme): rewrite as marketing-forward, push deep dives to docs/
• 082aa21 docs(skill): teach the agent about figma-map update
• 4b3ceda feat(cmd): add figma-map update self-update command
• 32384ac fix(bench): render comparator screenshots at the design's own height