Graphics style: pixel art (360 rows) or high-res (1080 rows, detailed sprites)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/gfx.rs

@@ -1373,8 +1373,8 @@ const SPR_CELL: u32 = 12;
 const SPR_K: u32 = 3;
 pub const ACELL: u32 = SPR_CELL * SPR_K;
 
-// Detailed 32x32 sprites (generated, see art/generated/), used instead of the 10x10 ones when
-// the world is rendered fine enough (render3d::billboards). Five views side by side like VIEWS,
+// Detailed 32x32 sprites (generated, see art/generated/), used instead of the 10x10 ones in the
+// high-res graphics style when close enough (render3d::billboards). Five views side by side like VIEWS,
 // transparent background, the feet on the bottom row. No gear yet: every tier looks the same.
 const HD_SPRITES: [(EK, &[u8]); 1] = [(EK::Worker, include_bytes!("../assets/sprites/imp-32.png"))];
 const HD: u32 = 32;