The reason a sampling completion stopped. endTurn/stopSequence/
maxTokens are defined for all spec versions; toolUse is added by the
tool-enabled sampling revisions. Servers may also receive other
provider-specific strings — see stopReasonFromString.
The reason a sampling completion stopped. endTurn/stopSequence/ maxTokens are defined for all spec versions; toolUse is added by the tool-enabled sampling revisions. Servers may also receive other provider-specific strings — see stopReasonFromString.