f36e891117
- crates/tui/assets/skills/skill-creator/SKILL.md (NEW) — MIT-attributed port from codex - crates/tui/src/skills.rs → skills/mod.rs + skills/system.rs (NEW) — install_system_skills() with version-marker idempotence - crates/tui/src/main.rs — startup auto-install hook (non-fatal on error) - crates/tui/src/commands/skills.rs — /skill new alias for /skill skill-creator - 7 unit tests covering fresh install, idempotence, user-deleted-dir respect, version-bump reinstall