Topo's audit fixes

[topocount]

• Fix: M-3 tree depth overflow

Rather than adding any checks, it's just cheaper to accomodate more depth. This is relatively arbitrary imo. I chose uint8 because I had a hard time imagining any org reaching that size on V1, but breaking for such a silly reason, is poor form, unless we add explicit contraints for nested tree depth.

[spengrah]

Agreed, this is the right approach imo. Cleaner, less opinionated, and cheaper. lgtm