Migrating from v1 create_phenotypes() to the v2 grammar

Authored by:simplePHENOTYPES (r Sys.Date()) insimplePHENOTYPES 2.0.0.9003.
Source:v1-to-v2.Rmd, Vignette:v1-to-v2.html. Last updated:2026-10-03.