Type Alias TemporalErrorCode

TemporalErrorCode:
    | "unsupported-history"
    | "masked-fields"
    | "expired-retention"
    | "large-diff-job-required"
    | "rollback-blocked"
    | "approval-required"

Stable machine codes for temporal error/status conditions. Servers and SDK helpers use these so consumers branch on a code rather than parse prose.