3.69.0
(feat): Add auth option to BaseClientOptions for custom auth handling. Accepts an
undiscriminated union of a function returning auth headers, an AuthProvider
implementation, or the existing auth credential options. This allows users with
alwaysSendAuth: true to handle auth via custom fetchers without the built-in
auth provider throwing on missing credentials.
3.68.1
(fix): Fix serialization schema for map types with nullable values. Previously, the
schema generator stripped nullable wrappers from map value types, causing a
type mismatch between the API types (which correctly included | null) and
the serialization layer (which omitted .nullable() on the value schema).