Install, update, list, or uninstall `mikko-*` skills from the cloned `claude-skills` source repo into the user-wide skill directory (`~/.claude/skills/mikko-*`). Wraps the existing `install-mikko.sh` and `install.sh` scripts so the install loop is reachable from inside any Claude Code session via a slash command — no need to leave the conversation, find the repo, and run bash by hand. Use whenever the user says "install the mikko skills", "install everything", "add mikko-readme-drift-sync", "update my mikko skills", "what's new since last install", or "uninstall mikko-foo". Locates the source repo via the current working directory, parent directories, or known sibling loc…