Unable to answer "Are pedestrians forbidden to walk on this road without a sidewalk here?" – Gagarinova [63] (Primary Road) – https://osm.org/way/985351907 via StreetComplete 63.0:

One can simply cross the nt er sec ting street, but there is no ex pl ic it side walk.

Attached photo(s):
https://streetcomplete.app/p/338336.jpg