I would be curious to see some of the extra details from this app: [BETA] A Z-Wave Mesh Tool [C7 and 2.2.4+ Only]
It breaks down the topology on a per device level, would would help to verify I am reading the topology correctly (despite confirming via tool tips I am still not confident in myself on that thing).
You just expand the little arrow for a device and it shows all the neighbor info for both directions.
Ideally the HUB should be in both tables for the device to directly connect:
