Casilian StudiosCASILIANMODDING SCHOOL

WillowScript (.ws) is a proposed, not-yet-implemented language. Examples and library integrations here are illustrative design exercises, not verified runnable programs.

Boundaries and failure

Build toward Safe extension design. Each section combines a focused idea with tracing, adaptation, boundary checks and a small reviewable artifact.

Separate exposed API from capability permission

7 open practice lessons

Choose a lesson →

Read lck and ulck exposure policy

8 open practice lessons

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Plan try, recover, and raise boundaries

7 open practice lessons

Choose a lesson →

Choose a failure response for a workflow

8 open practice lessons

Choose a lesson →

Your practice, on this browser

No public account is created. Drafts and lesson progress stay in this browser’s local storage. They do not automatically follow you to another device and can be lost if browser storage is cleared.

Export a private progress file to keep a copy, then import it on another browser when you want to move your work. Treat that file as your own writing; it can contain your practice drafts.