- Define 4-layer architecture (FreeCAD Core, Python API, Create Extensions, Workbenches)
- Plan src/Mod/Create/ module for C++ features (Create::FlipPocket, DatumHelpers)
- Document 6 implementation phases with priorities
- Use Create:: namespace prefix for all Kindred Create features
- Silo server distributed separately
- ztools/Silo versions pinned via git submodules
