Socratus, you have obviously put a lot of work into this elegant theory. I shall leave it to those with more expertise than I have to comment on its details. However, one thought occurs to me:

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At first I take the simplest reference frame – the Euclidean space ( 2D). Now I will put a virtual - ideal particle in this 2D. The 2D is a very thin and flat homogeneous space,


You seem to base your theory on the belief that a 2D surface has some extension in the third dimension.
Although a 2D environment may be of value in theory, it cannot exist as a physical object in a 3D environment; so it cannot be a physical reality in our Universe.

There never was nothing.