OptionaldopplerOptionalhintAppended to the error message when the secret is absent. Say what the credential is FOR — the message is what someone sees at 2am when a deploy dies, and "missing from cfx-common/prod" alone does not say who needs it.
OptionalprojectDoppler project. Defaults to cfx-common.
OptionalstackConfig to read. Defaults to the current stack, which IS the environment.
Reuse the stack's existing Doppler provider. Omit to take the shared one from getDopplerProvider, which is memoized per name — so omitting it is safe even when several helpers in one program do the same.