Documents the replacement of Element with Behavior + Archetype, the
elimination of the per-board element palette, the new map file format
(archetype = "name" instead of passable = bool), the ErrorBlock sentinel,
and the editor mode (AppMode, EditorState, palette panel, click-to-paint).
Also updates "What's not yet implemented" to reflect editor progress and
call out the Object behavior / glyph chooser / file open gaps.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Documents the player-as-object goal and calls out the four specific
places in the current design (Board.player, player_start, try_move,
main.rs overlay) that will need to change when that's implemented.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Documents the module structure, key design decisions and their reasons,
map file format design, what's not yet implemented, and ZZT background
for future development sessions.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
randrews