Add post-move battle commands

docs/roadmap.md

@@ -16,13 +16,13 @@ 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, non-black scene transitions, 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, high-detail pixel-style unit sprites, movement range preview, and click-to-move unit movement
+- First battle scene with a high-resolution battlefield background, large 12x12 tactical grid, high-detail pixel-style unit sprites, movement range preview, click-to-move unit movement, post-move command selection, and grayscale acted-unit feedback
 - Flow verification script from title to first battle
 
 ## Next Steps
 
-1. Add selectable commands: attack, wait, and end turn
-2. Implement attack range, damage, defeat, and victory checks
+1. Implement attack range, damage, defeat, and victory checks
+2. Add strategy and item inventories with usable battle effects
 3. Add a simple enemy AI turn
 4. Add battle result scene and local save/load