Improve Shape Recognition and Drawing Accuracy

Please improve the shape recognition feature so that it accurately understands and converts the user's drawings into the intended shapes.

There are currently cases where the result is incorrect. For example, a curved arrow may be converted into a circle, or a small arrow may have a disproportionately large arrowhead compared to its shaft. In some cases, a curved arrow may also be incorrectly converted into a triangle.

The recognition system should better understand the user's intended shape, especially for arrows, curved arrows, lines, circles, rectangles, and other common handwritten shapes.

The proportions of the generated shape should also match the original drawing. For example, the arrowhead should remain appropriately sized relative to the length and thickness of the arrow shaft.

Please consider improving the recognition algorithm to provide accuracy closer to the level of apps such as Noteshelf 3, particularly for handwritten arrows and curved shapes.

The system should prioritize preserving the user's intended shape rather than forcing an uncertain drawing into an incorrect predefined shape.