Add per-item blur_radius=30 with background.clip=0.5 to create a
frosted-glass effect on each component pill while keeping the bar
itself fully transparent. Bump bg alpha from 0x20 to 0x30 so the
blur is visible through the semi-transparent backgrounds.
- Add new address-gh-review skill with SKILL.md and gh_review.sh script
for fetching and addressing unresolved GitHub PR review comments
- Update AGENTS.md comment style to require Title Case for block titles
