fix(subscription): 同套餐续费从当前周期结束时刻接续，而非从购买时刻重算 - #6979
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Buying the same plan again while an active subscription is still running restarted the clock at purchase time, so renewing early silently burned the overlapping days (user 18 lost 3 days renewing on 08-22 for a plan ending 08-25). CreateUserSubscriptionFromPlanTx now anchors a new subscription to the latest end_time among the user's active subscriptions of the same plan, and derives the quota reset baseline from that anchor. Different plans still stack immediately. Because a queued subscription may now start in the future, quota lookups (pre-consume, active check, wallet-overflow guard) require start_time to have passed, and the wallet card labels such a subscription as scheduled with its unlock time. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Organization UI Review profile: CHILL Plan: Pro Plus Run ID: 📒 Files selected for processing (8)
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Included review availability: Your plan provides up to 10 included reviews per hour; 8 remain after this review. WalkthroughSubscription renewals now continue after the latest active same-plan subscription. Future subscriptions are excluded from active and quota checks. The wallet UI identifies scheduled subscriptions and shows their quota unlock times in supported locales. ChangesSubscription scheduling
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The change makes same-plan renewals continue from the existing subscription end time and prevents scheduled quota from being used early, with focused tests covering the updated behavior. No actionable merge-blocking risk remains beyond normal checks and review. Sequence Diagram(s)sequenceDiagram
participant Customer
participant SubscriptionAPI
participant SubscriptionDatabase
participant WalletCard
Customer->>SubscriptionAPI: purchase same plan
SubscriptionAPI->>SubscriptionDatabase: select latest active same-plan subscription
SubscriptionDatabase-->>SubscriptionAPI: renewal start time
SubscriptionAPI->>SubscriptionDatabase: create scheduled subscription
WalletCard->>SubscriptionAPI: load subscriptions
SubscriptionAPI-->>WalletCard: active and future subscriptions
WalletCard-->>Customer: show scheduled status and quota unlock time
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Inline comments:
In `@web/src/features/wallet/components/subscription-plans-card.tsx`:
- Around line 190-192: Update the active subscription badge count to exclude
records whose start_time is in the future, using the same start_time <=
Date.now() / 1000 predicate as hasActive. Apply the filter where
activeSubscriptions.length currently supplies the badge count, preserving
scheduled subscriptions in the list and existing hasActive behavior.
In `@web/src/i18n/locales/ja.json`:
- Line 8: Update the Japanese “Scheduled” translation in the locale mapping so
it uses a status label meaning “scheduled,” such as the established equivalent
“開始予定” or “スケジュール済み,” instead of “開始前.”
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model/subscription.gomodel/subscription_renewal_test.gomodel/task_cas_test.goweb/src/features/wallet/components/subscription-plans-card.tsxweb/src/i18n/locales/en.jsonweb/src/i18n/locales/fr.jsonweb/src/i18n/locales/ja.jsonweb/src/i18n/locales/ru.jsonweb/src/i18n/locales/vi.jsonweb/src/i18n/locales/zh-TW.jsonweb/src/i18n/locales/zh.json
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…card The header badge counted every non-expired subscription as active, so a queued renewal showed up as a second active plan even though its quota is still locked. Count only started subscriptions as active and surface the queued ones as their own "scheduled" tally. Also use 開始予定 for the Japanese status label, which reads as a pending start rather than "before start". Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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感谢 review，两条都已在
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订阅的新购和续费的逻辑需要合理设计，订阅有两个主要参数，分别是有效期和额度。用户在购买相同订阅时被视为续费行为后，那么当用户将订阅额度用尽时想再次购买订阅恢复额度，此时是否应该触发额度重置成了问题。若触发重置则损害额度未用尽的续费用户，若不触发，则无法满足想要恢复额度的需要。 |
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📝 变更描述 / Description
同一套餐的订阅还没到期时再次购买，新订阅的起点无条件取当前时刻，与旧订阅在时间轴上重叠，用户提前 N 天续费就少拿 N 天（详见 issue）。
CreateUserSubscriptionFromPlanTx是全站唯一创建user_subscriptions的地方，支付回调、余额购买、管理员开通三条路径都受影响。改动
1. 起点接续（
model/subscription.go）建订阅前先查该用户在同一
plan_id下未到期的 active 订阅，取其中最大的end_time作为新订阅的start_time，end_time在此基础上加一个套餐周期；没有未到期订阅时行为与现状一致（从当前时刻起算）。不同套餐不参与接续，仍然并存、立即生效。查询用
lockForUpdate(tx)+Order(...).Limit(1).Find(...)，避免在聚合上加FOR UPDATE（PostgreSQL 不允许），SQLite 下由 helper 自动跳过锁。配额重置基线（
resetBase/LastResetTime）跟着接续起点走，否则周期性重置套餐会以购买时刻为基准，在排队期内多算一次重置。2. 未到生效时间的订阅不能被动用
接续会产生
start_time在未来的订阅。原先三处"活跃订阅"判定只看end_time > now，会让排队中的额度被提前消耗掉，等于把接续又变回了叠加。因此都加上start_time <= now：PreConsumeUserSubscription的候选订阅筛选HasActiveUserSubscriptionUserActiveSubscriptionsAllowWalletOverflow后两处必须同步改：只改预扣的话，用户只剩"未生效"订阅时
HasActiveUserSubscription仍返回 true，NewBillingSession会一头扎进订阅路径；虽然no active subscription被映射成ErrorCodeInsufficientUserQuota还能回退钱包，但让三处口径一致更稳妥。同理，一条尚未生效的订阅不应该因为allow_wallet_overflow=false就提前锁死用户的钱包回退。管理员/用户侧的展示接口（
GetAllActiveUserSubscriptions）保持原样，排队中的订阅仍然可见；到期降组链路里的"还有其他活跃订阅"判断也保持原样，用户已经续费就不该被降组。3. 前端标注（
web/src/features/wallet/components/subscription-plans-card.tsx）排队中的订阅原本会显示成绿色
Active+ "剩余 34 天"，让人以为额度当下可用。现在单独标为Scheduled，并显示Quota unlocks at <生效时刻>；顶部"是否有生效中订阅"的判断也排除未生效订阅（否则计费偏好开关的可用状态会与后端不符）。新增两个 i18n key，7 种语言都已补齐。4. 测试基座
model/task_cas_test.go补上SubscriptionPreConsumeRecord的AutoMigrate与清表，model/下才能测预扣路径。🚀 变更类型 / Type of change
🔗 关联任务 / Related Issue
✅ 提交前检查项 / Checklist
renew模式，需显式传参，用户自助付费与默认路径仍然重叠。lockForUpdate，SQLite / MySQL / PostgreSQL 三库通用。📸 运行证明 / Proof of Work
修复前，在未修改的
main @ 2d8e50bf3上跑复现用例：修复后，本 PR 新增的 7 个用例：
覆盖：同套餐接续、多段排队接到最晚一段、不同套餐不接续、过期与已作废订阅不参与接续、重置基线跟随接续起点、未生效订阅额度不可提前动用、活跃判定忽略未生效订阅。
包级全量与静态检查：
前端改动集中在一个组件（新增
isPending分支与一行展示）和 7 个 locale 各两个 key，未改动任何既有逻辑分支；本地暂未安装 bun，前端检查以仓库流水线为准，若typecheck/lint/format:check有出入我会立即跟进修正。Summary by CodeRabbit
New Features
Localization