- Removed CLAUDE.md, AGENTS.md and NEXTJS_REBUILD_SUPERPROMPT.md, and
untracked .claude/ (now ignored locally via .git/info/exclude rather than
.gitignore, so the repo carries no reference to it either).
- The Next.js 16 warning that lived in AGENTS.md is kept where it is
actually useful, in the README tech-stack section.
- Source and migration comments referred to "the consolidation master
prompt" and "NEXTJS_REBUILD_SUPERPROMPT.md" by name; both now read "spec",
keeping the section numbers that made the cross-references worth having.
- README no longer lists Playwright, which is not installed, and now
describes the three test layers that actually exist.