# school-drills — platform contract A family of self-contained, offline-capable learning apps for ages 9–15. `conjugaison-app` is the reference implementation; read its code before writing a new app. Future direction (NOT to be built now, but do not design against it): a unified platform with accounts, cross-app leaderboards, and parental controls. That is why the storage schema, the item model, and the design tokens below are fixed contracts. --- ## 1. Hard constraints (every app) - **No build step. No bundler. No package.json. No node_modules.** - **No ES modules, no `import`/`export`, no `fetch()` of local files.** Plain `