Documents all implemented modules, data structures, map file format,
and key design decisions made during this session.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Sets up eframe/egui app with basic menu bar and placeholder viewport. Adds Rhai scripting dependency for future game object scripting system.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
randrews