按热键 + 拖动鼠标在屏幕绘制形状（矩形 / 椭圆 / 圆 / 自由线条）的 Windows 工具。Rust WH_MOUSE_LL hook + Python 共享内存 ring buffer 双链路拦截，能阻断 Chromium drag-select 等 Raw Input 应用。
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Updated
Jul 31, 2026 - Python
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presenter-tool
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