chore(skills): remove impress-me body title

refactor(skills): tighten impress-me instructions

chore: add impress-me skill

fix(skills): fold ui-expert frontmatter description

del: remove AGENTS.md

chore: add grill-me skill

chore: update skills

refactor(skills): prune bundled skills and add commit skill

feat: add astro skill with playbook and agent metadata

Wire frontend-design to impeccable micro-skills

Add skills-only Impeccable system

Add Practical Typography skill

blogger: enforce interaction utility and visual polish standards

blogger: align workflow with standalone and tech-neutral guidelines

blogger: add Josh and Grokking style reference analyses