master
chore: consolidate HDS plans and release v0.2.1
fix(rotation): stabilize safe branch turning and hub routing
docs(rotation): align specs with safe branch rotation
feat: add phylogeny and generic-tree profiles with radial layout and enhanced UI
feat: add genealogy text DSL editor
feat(layout): forest layout defaults; route children with own hubs to hubs when available; compact forest; transparent hubs; grid backdrop