eager (default): probe every provider in parallel on first use and keep those that answer. lazy: register all, probe a provider the first time a request lands on it. none: never probe; rely on modelId and seeded models.
eager
lazy
none
modelId
eager(default): probe every provider in parallel on first use and keep those that answer.lazy: register all, probe a provider the first time a request lands on it.none: never probe; rely onmodelIdand seeded models.