feat(server): support onetime payment subscription (#8369)

packages/frontend/core/src/components/affine/setting-modal/general-setting/plans/ai/actions/subscribe.tsx

@@ -59,6 +59,7 @@ export const AISubscribe = ({
         recurring: SubscriptionRecurring.Yearly,
         idempotencyKey,
         plan: SubscriptionPlan.AI,
+        variant: null,
         coupon: null,
         successCallbackLink: generateSubscriptionCallbackLink(
           authService.session.account$.value,

packages/frontend/core/src/components/affine/setting-modal/general-setting/plans/plan-card.tsx

@@ -282,6 +282,7 @@ export const Upgrade = ({
       recurring,
       idempotencyKey,
       plan: SubscriptionPlan.Pro, // Only support prod plan now.
+      variant: null,
       coupon: null,
       successCallbackLink: generateSubscriptionCallbackLink(
         authService.session.account$.value,

packages/frontend/core/src/desktop/pages/subscribe.tsx

@@ -100,6 +100,7 @@ export const Component = () => {
                 plan: targetPlan,
                 coupon: null,
                 recurring: targetRecurring,
+                variant: null,
                 successCallbackLink: generateSubscriptionCallbackLink(
                   account,
                   targetPlan,