Type guards take `unknown`; walkers/comparators (get/set/isEqual) narrow via
casts; generic defaults and constraints tightened. Truly-idiomatic any-function
constraints and load-bearing type-level any are kept with explanatory comments.
An intro.vue landing for all 12 packages, plus a multi-section crdt guide (Concepts, Primitives, Replication & Sync, and an interactive convergence Playground).