Unable to answer "How are the footpath and bicycle path laid out here?" – on level -1;0: Ausgang Aeschergraben (Cycle Path) – https://osm.org/way/379885196 via StreetComplete 58.2:

Ausschliesslich Radweg ohne Gehweg.
Radweg in beide Richtungen

Attached photo(s):
https://westnordost.de/p/227374.jpg