Validates values before they cross a Continuum journal boundary.
ETF can encode node-local identities, but decoding them during replay does not make them meaningful on another process or node. This validator rejects those identities recursively and reports their exact location.
Summary
Types
@type path() :: [path_segment()]
@type path_segment() :: atom() | {:field, term()} | {:index, non_neg_integer()} | :tail