plan-6-v2-implement-phase-companion

# JK Tools

A repository of AI-assistant **skills** (in the `skills/<category>/` layout consumed by [`npx skills`](https://github.com/vercel-labs/skills)) plus a setup script for the developer tools that support them.

The skills are the product. `./setup.sh` installs MCP servers and developer tooling; **it does not install skills**.