🪄 Spellbook

Agent-conjured apps — lightweight, Bun-served surfaces with an agent as the runtime underneath.

🚧 Under construction. This commit sets up the development platform (Bun, Biome, Zed, Prettier, Husky). The spells themselves — and the grimoire of craft behind them — are migrating in from the project-docs toolbox. The shape will fill in from there.