Add a PRD and three prototype directions (Gallery, Command Bar, Guided) behind the prototype picker harness for the lesson Slide embed flow. Covers the top 10 embeddable slide platforms with per-platform detection, link/embed-code normalization, live preview, and How-to-embed docs links.
Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>
Full spec for ordered, sequentially unlocked, bundle-priced learning
paths, plus 16 clickable prototypes (public org site, learner LMS, and
teacher workspace) built on the packages/ui tokens and the minimal
org-landing theme. The prototypes are the UX source of truth; start at
prototypes/learning-paths/index.html. Also adds the write-prd skill
codifying the clarify -> write -> prototype workflow.
