Block a user
[M-MEMBER-01] 实现 EffectiveQuota、额度预占返还与 Legacy/Shadow/Enforced
[M-MEMBER-01] 将 AI、Chat、OCR、Vision、存储和知识库接入统一额度
[M-MEMBER-01] 实现 iOS StoreKit 2 核心、交易监听、恢复与测试基础
[M-MEMBER-01] 完成 iOS 会员中心、额度展示、购买状态与合规入口
[M-MEMBER-01-GATE] 会员订阅、权益、额度与恢复购买最终验收
[M-MEMBER-01] Expand 账号令牌、商品映射、会员 Grant 与 PlanQuota Schema
[M-MEMBER-01] 新增不可变 App Store 交易、通知 Inbox 与 Payload 审计模型
[M-MEMBER-01] 实现 EffectiveMembership 与普通用户会员只读 API
[M-MEMBER-01] 实现 App Store JWS 交易验证与幂等会员发放
[M-MEMBER-01] 实现 App Store Server Notifications V2 Durable Inbox 与生命周期投影
[M-MEMBER-01] 冻结 App Store 商品、Premium 权益数值与额度窗口