Immutable chain returned by embodify() and all chain methods.
Accumulates state through .set(), executes through .trace().
Each operation returns a NEW chain — existing chains are never mutated.
All errors are captured in .error; the chain never throws.
Immutable chain returned by
embodify()and all chain methods.Accumulates state through
.set(), executes through.trace(). Each operation returns a NEW chain — existing chains are never mutated. All errors are captured in.error; the chain never throws.