- WIN32 subsystem, D3D11 standalone rendering (no UILayer dependency)
- Scene tree panel, Inspector panel, Console panel, Viewport
- Chinese text via glyph_atlas (GDI GetGlyphOutlineW + D3D11 texture atlas)
- .ly file format: INI-style scene serialization (save/load)
- Ctrl+S/Ctrl+O keyboard shortcuts
- Depth test disabled for all 2D rendering