Better Curve Widget

As in this example, the Bevel modifier using a custom curve for profile, you can see that the curve shape has to be drawn diagonally, leading to imprecise and unintuitive results. I also had to rotate the modified object 45º to achieve this result otherwise the start and end point would be diagonal as well as the entire in-between too. This green circle shows the lack of space to draw any shape other than a triangle, couldn't be a square for instance.

My proposition is to make the line graph vertical instead of diagonal and also to be made a grid with subdivisions and a snap toggle similar to the viewport grid, so we can make lines more precise and symmetrical.

I also want to ask to any dev that may see this post how is going the development of the curve widget as input for Geometry Nodes?