fix(v4-r8): improve touch and text accessibility

DEVICES.md

@@ -48,6 +48,8 @@ USB) and the [GitHub releases](https://github.com/ALLFATHER-BV/wadamesh/releases
   CardKB at address `0x5F` on the board I2C bus (GPIO4/3 on V4, GPIO17/18 on
   V4-R8). It provides text and focus navigation; the on-screen keyboard remains
   available when CardKB is absent or when the active field is tapped again.
+  V4-R8 also offers font-only Normal, Large and Huge text presets under Display;
+  controls retain their normal geometry so the compact screen stays navigable.
 - **Tanmatsu**: keyboard-driven UI (no touchscreen) with the coloured function
   keys mapped to tabs, ALT accent picker, UI scaling (Normal/Large/Huge),
   microSD for all persistent data. Ships through the Tanmatsu launcher store,