OptionalfairUse?: SocketSubscriptionFairUseState | nullOptionalfeature?: stringStable machine key for the gated capability, e.g. 'video_4k_render'.
OptionalimgID?: stringOptionallimitation?: stringStandalone user-facing English describing the limitation.
OptionalrequiredPlans?: SubscriptionPlanId[]Plans that would satisfy the gated feature, cheapest-first.
OptionalsubscriptionLimit?: booleantrue when this render failure is a subscription FEATURE-gate denial (4081).
Actionable fair-use details when
feature === 'monthly_fair_use'.