- Add Material component with Albedo, Roughness, Metallic.
- MeshRenderer reads Material and tints vertex color; falls back to default.
- Add Blinn-Phong specular using camera position pushed via push constants.
- Add floor plane and grid mesh in Program.cs.
- Add OrbitCameraController with right-mouse orbit and mouse-wheel zoom.
- Forward SDL events to InputMapping from Sdl3Window.PumpEvents.
- Update main loop to update camera and aspect ratio on resize.
- Recompile SPIR-V shaders.
- Update CORTEX_ENGINE_ARCHITECTURE.md with Material, lighting, and orbit camera.
- Add ScreenshotCapture class to Engine.Graphics using Vulkan image readback.
- Integrate screenshot capture into MeshRenderer; request triggers readback on next frame.
- Add SixLabors.ImageSharp 3.1.11 for PNG encoding (patched for CVE-2025-54575).
- Add capture_screenshot AI command and MCP tool.
- Wire screenshot request into Program.cs with demo command.
- Expose swapchain surface format and image accessor for readback.
- Add Screenshots/ to .gitignore.
- Update CORTEX_ENGINE_ARCHITECTURE.md with MCP, Silk.NET.Vulkan, ImageSharp, and screenshot capture.
- Add Transform component and ECS world in Engine.Core.
- TriangleRenderer.RenderWorld queries entities and applies transforms.
- Animate a single triangle entity in Program.cs.
- Pin ppy.SDL3-CS to 2026.520.0 and add linux-x64 RID for bundled native SDL3.
- Add Flecs.NET.Debug/Release 4.0.4-build.546 per configuration.
- Update SDL3 API usage for the 2026.520.0 binding.
- Update architecture file to Silk.NET.Vulkan and Flecs 4.0.4.
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