Added comprehensive documentation for the GameEngine refactor:
- refactor_overview.md: Detailed plan for forward-looking play tracking
- status-2025-10-24-1430.md: Session summary from Phase 2 implementation
These documents capture the architectural design decisions and
implementation roadmap that guided the refactor completed in commit 13e924a.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
