chore(claude): add path-scoped rules and Skills section
Wire `.claude/rules/` so file-type-matched skills (laravel-best-practices,
pest-testing, inertia-react-development, wayfinder-development, morgenblau-designer,
tailwindcss-development) get nudged automatically. Add a CLAUDE.md Skills section
to surface morgenblau-designer for frontend work and the atproto-* skills for
protocol work.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>