Block a user
WIP: AGENTS.md §15 asks land as rules; todo.md carries the next-session prompt
WIP: Weighted person names, valid personal ids and date() in both locales
Add the geo trees for SE and US as linked tables, and build each locale's address on them
WIP: Add the geo trees for SE and US as linked tables, and build each locale's address on them
Tick 4b, moving its text to todo-history.md