chore(docs): remove old plans and specs, ignore docs directory

docs(readme): update Superpowers Visual Companion link

docs(readme): format credits as list items

fix(server): resolve race condition with rapid file changes

Merge pull request #3 from JEFF7712/feat/tutor-v2-active-tools

test(server): add regression test for double script tag injection

fix(server): fix double script tag wrapping that broke interactivity

Merge pull request #2 from JEFF7712/feat/tutor-v2-active-tools

test(server): add integration tests for visual companion server

docs: update plugin metadata and README for visual companion v2.1

feat(skill): add visual companion activation triggers to SKILL.md

feat(guide): add visual companion prompt guide for content generation

feat(scripts): add start and stop scripts for visual companion

feat(helper): add client-side quiz, walkthrough, and event logic

feat(template): add frame template with Mermaid, quiz, and walkthrough styles