Create or update a stored alias, global or scoped to one user.
post/v1/aliases
Request body
namestring required
Display name callers use as the model, e.g. 'fast-model'.
targetstring required
Selector the alias resolves to, as 'provider:model' or 'instance:model'.
user_idstring nullable
User this alias belongs to. Omit for a global alias every caller sees. A user-scoped alias resolves only for that user and shadows a global one of the same name.