feat(appstore): support 1.21 - add more fields to JWSTransaction

[richzw]

New features

• Added the following fields in JWSTransactionDecodedPayload to support monthly subscriptions with a 12-month commitment: TransactionCommitmentInfo and billingPlanType; and the following fields in JWSRenewalInfoDecodedPayload: RenewalCommitmentInfo and renewalBillingPlanType.

[Copilot]

Pull request overview

App Store Server API v1.21 相当の追加フィールド対応として、Advanced Commerce 関連のデータ型を追加し、JWSTransaction のデコード payload に新しいフィールドを取り込めるようにするPRです。

Changes:

• Advanced Commerce の返金・取引情報（refund / items / period / transactionInfo）に関する型定義を追加
• BillingPlanType と TransactionCommitmentInfo を追加
• JWSTransaction に advancedCommerceInfo / billingPlanType / commitmentInfo を追加

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[takecy]

Thanks for PR.

JWSTransactionDecodedPayload to support monthly subscriptions with a 12-month commitment: TransactionCommitmentInfo and billingPlanType

LGTM 👍

and the following fields in JWSRenewalInfoDecodedPayload: RenewalCommitmentInfo and renewalBillingPlanType.

Is this not included? 🤔
Did you forget to push it?

[richzw]

Thanks for PR.

JWSTransactionDecodedPayload to support monthly subscriptions with a 12-month commitment: TransactionCommitmentInfo and billingPlanType

LGTM 👍

and the following fields in JWSRenewalInfoDecodedPayload: RenewalCommitmentInfo and renewalBillingPlanType.

Is this not included? 🤔 Did you forget to push it?

My bad, missing those two fields before, and update them now.

[takecy]

Thank you !
LGTM 👍