neon-protocol v1.0.0

纯 Python + NumPy 光线投射赛博朋克 FPS：WASD 移动 / 鼠标转向 / Shift 冲刺 / 8 波生存。无引擎、无外部资源。

First tagged release. No engine, no asset files: every texture, sprite and sound effect is generated at runtime from NumPy.