Add unit movement and denser pixel sprites

docs/roadmap.md

@@ -16,16 +16,15 @@ Build a small complete tactical RPG loop:
 - Cinematic title scene with an original Taoyuan Oath background, subtle motion, menu UI, and first-input audio
 - Cinematic prologue pages with high-resolution story backgrounds, character portraits, and scenario data
 - File-based original orchestral BGM loops for title, prologue, oath, militia, and battle-prep scenes
-- First battle scene with a high-resolution battlefield background, large 12x12 tactical grid, pixel-style unit sprites, and movement range preview
+- First battle scene with a high-resolution battlefield background, large 12x12 tactical grid, denser pixel-style unit sprites, movement range preview, and click-to-move unit movement
 - Flow verification script from title to first battle
 
 ## Next Steps
 
-1. Add selectable commands: move, attack, wait
-2. Implement grid movement and occupied-tile blocking
-3. Implement attack range, damage, defeat, and victory checks
-4. Add a simple enemy AI turn
-5. Add battle result scene and local save/load
+1. Add selectable commands: attack, wait, and end turn
+2. Implement attack range, damage, defeat, and victory checks
+3. Add a simple enemy AI turn
+4. Add battle result scene and local save/load
 
 ## Content Direction