Adonai focused on stabilizing Vulkan graphics initialization and lifecycle handling across two repositories, shadps4-emu/ext-SDL and libsdl-org/SDL, using C and graphics programming expertise. In shadps4-emu/ext-SDL, Adonai improved Vulkan surface creation by implementing robust error handling for vkCreateSemaphore, ensuring early detection of initialization failures and enhancing subsystem reliability. For libsdl-org/SDL, Adonai addressed Android-specific Vulkan issues by preventing crashes when returning from the background, ensuring correct surface and swapchain recreation, and strengthening detection of surface destruction. These targeted bug fixes demonstrated a disciplined approach to runtime stability, emphasizing explicit error paths and lifecycle management in complex graphics environments.