Introduce docs/features/ with an index (conventions + feature registry),
a per-feature template, and a filled cart example. Reference the structure
from the root CLAUDE.md so context can be restored per feature on demand.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Migrate project guidance from .cursor/ to a single CLAUDE.md covering
architecture, backend/frontend conventions, commands and PHP 7.4 constraint.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
