Merge develop into main (#494)

* Updated runtime gating to enable LilyGO T-Deck specific apps and services
  * New device compatibility and model-detection APIs
  * Added a buffer-overflow error code and message
  * Updated GitHub Actions checkout to v4
  * Adjusted an LVGL-related library version
  * Device config now emits a T-Deck workaround flag when applicable
  * Removed internal developer comments and minor cleanups

TactilityKernel/Source/error.cpp

@@ -29,6 +29,8 @@ const char* error_to_string(error_t error) {
             return "not supported";
         case ERROR_NOT_ALLOWED:
             return "not allowed";
+        case ERROR_BUFFER_OVERFLOW:
+            return "buffer overflow";
         default:
             return "unknown";
     }