feat(account): add daily/weekly periodic quota limits for API Key accounts

Extend the existing total quota limit with daily and weekly periodic
dimensions. Each dimension is independently configurable and uses lazy
reset — when the period expires, usage is automatically reset to zero on
the next increment. Any dimension exceeding its limit will pause the
account from scheduling.

Backend:
- Add GetQuotaDailyLimit/Used, GetQuotaWeeklyLimit/Used, HasAnyQuotaLimit
- Rewrite IncrementQuotaUsed with atomic CTE SQL for 3-dimension update
- Rewrite ResetQuotaUsed to clear all dimensions and period timestamps
- Update postUsageBilling to use HasAnyQuotaLimit()
- Preserve daily/weekly used values on account edit

Frontend:
- Refactor QuotaLimitCard from single v-model to 3-dimension props
- Add QuotaBadge component for compact D/W/$ display
- Update AccountCapacityCell with per-dimension badges
- Update Create/Edit modals with daily/weekly quota fields
- Update AccountActionMenu hasQuotaLimit to check all dimensions
- Add i18n strings for daily/weekly/total quota labels

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/internal/service/account.go

@@ -1134,33 +1134,97 @@ func (a *Account) GetCacheTTLOverrideTarget() string {
 // GetQuotaLimit 获取 API Key 账号的配额限制（美元）
 // 返回 0 表示未启用
 func (a *Account) GetQuotaLimit() float64 {
-	if a.Extra == nil {
-		return 0
-	}
-	if v, ok := a.Extra["quota_limit"]; ok {
-		return parseExtraFloat64(v)
-	}
-	return 0
+	return a.getExtraFloat64("quota_limit")
 }
 
 // GetQuotaUsed 获取 API Key 账号的已用配额（美元）
 func (a *Account) GetQuotaUsed() float64 {
+	return a.getExtraFloat64("quota_used")
+}
+
+// GetQuotaDailyLimit 获取日额度限制（美元），0 表示未启用
+func (a *Account) GetQuotaDailyLimit() float64 {
+	return a.getExtraFloat64("quota_daily_limit")
+}
+
+// GetQuotaDailyUsed 获取当日已用额度（美元）
+func (a *Account) GetQuotaDailyUsed() float64 {
+	return a.getExtraFloat64("quota_daily_used")
+}
+
+// GetQuotaWeeklyLimit 获取周额度限制（美元），0 表示未启用
+func (a *Account) GetQuotaWeeklyLimit() float64 {
+	return a.getExtraFloat64("quota_weekly_limit")
+}
+
+// GetQuotaWeeklyUsed 获取本周已用额度（美元）
+func (a *Account) GetQuotaWeeklyUsed() float64 {
+	return a.getExtraFloat64("quota_weekly_used")
+}
+
+// getExtraFloat64 从 Extra 中读取指定 key 的 float64 值
+func (a *Account) getExtraFloat64(key string) float64 {
 	if a.Extra == nil {
 		return 0
 	}
-	if v, ok := a.Extra["quota_used"]; ok {
+	if v, ok := a.Extra[key]; ok {
 		return parseExtraFloat64(v)
 	}
 	return 0
 }
 
-// IsQuotaExceeded 检查 API Key 账号配额是否已超限
-func (a *Account) IsQuotaExceeded() bool {
-	limit := a.GetQuotaLimit()
-	if limit <= 0 {
-		return false
+// getExtraTime 从 Extra 中读取 RFC3339 时间戳
+func (a *Account) getExtraTime(key string) time.Time {
+	if a.Extra == nil {
+		return time.Time{}
 	}
-	return a.GetQuotaUsed() >= limit
+	if v, ok := a.Extra[key]; ok {
+		if s, ok := v.(string); ok {
+			if t, err := time.Parse(time.RFC3339Nano, s); err == nil {
+				return t
+			}
+			if t, err := time.Parse(time.RFC3339, s); err == nil {
+				return t
+			}
+		}
+	}
+	return time.Time{}
+}
+
+// HasAnyQuotaLimit 检查是否配置了任一维度的配额限制
+func (a *Account) HasAnyQuotaLimit() bool {
+	return a.GetQuotaLimit() > 0 || a.GetQuotaDailyLimit() > 0 || a.GetQuotaWeeklyLimit() > 0
+}
+
+// isPeriodExpired 检查指定周期（自 periodStart 起经过 dur）是否已过期
+func isPeriodExpired(periodStart time.Time, dur time.Duration) bool {
+	if periodStart.IsZero() {
+		return true // 从未使用过，视为过期（下次 increment 会初始化）
+	}
+	return time.Since(periodStart) >= dur
+}
+
+// IsQuotaExceeded 检查 API Key 账号配额是否已超限（任一维度超限即返回 true）
+func (a *Account) IsQuotaExceeded() bool {
+	// 总额度
+	if limit := a.GetQuotaLimit(); limit > 0 && a.GetQuotaUsed() >= limit {
+		return true
+	}
+	// 日额度（周期过期视为未超限，下次 increment 会重置）
+	if limit := a.GetQuotaDailyLimit(); limit > 0 {
+		start := a.getExtraTime("quota_daily_start")
+		if !isPeriodExpired(start, 24*time.Hour) && a.GetQuotaDailyUsed() >= limit {
+			return true
+		}
+	}
+	// 周额度
+	if limit := a.GetQuotaWeeklyLimit(); limit > 0 {
+		start := a.getExtraTime("quota_weekly_start")
+		if !isPeriodExpired(start, 7*24*time.Hour) && a.GetQuotaWeeklyUsed() >= limit {
+			return true
+		}
+	}
+	return false
 }
 
 // GetWindowCostLimit 获取 5h 窗口费用阈值（美元）

backend/internal/service/account_service.go

@@ -68,9 +68,9 @@ type AccountRepository interface {
 	UpdateSessionWindow(ctx context.Context, id int64, start, end *time.Time, status string) error
 	UpdateExtra(ctx context.Context, id int64, updates map[string]any) error
 	BulkUpdate(ctx context.Context, ids []int64, updates AccountBulkUpdate) (int64, error)
-	// IncrementQuotaUsed 原子递增 API Key 账号的配额用量
+	// IncrementQuotaUsed 原子递增 API Key 账号的配额用量（总/日/周）
 	IncrementQuotaUsed(ctx context.Context, id int64, amount float64) error
-	// ResetQuotaUsed 重置 API Key 账号的配额用量为 0
+	// ResetQuotaUsed 重置 API Key 账号所有维度的配额用量为 0
 	ResetQuotaUsed(ctx context.Context, id int64) error
 }
 

backend/internal/service/admin_service.go

@@ -1484,9 +1484,11 @@ func (s *adminServiceImpl) UpdateAccount(ctx context.Context, id int64, input *U
 		account.Credentials = input.Credentials
 	}
 	if len(input.Extra) > 0 {
-		// 保留 quota_used，防止编辑账号时意外重置配额用量
-		if oldQuotaUsed, ok := account.Extra["quota_used"]; ok {
-			input.Extra["quota_used"] = oldQuotaUsed
+		// 保留配额用量字段，防止编辑账号时意外重置
+		for _, key := range []string{"quota_used", "quota_daily_used", "quota_daily_start", "quota_weekly_used", "quota_weekly_start"} {
+			if v, ok := account.Extra[key]; ok {
+				input.Extra[key] = v
+			}
 		}
 		account.Extra = input.Extra
 	}

backend/internal/service/gateway_service.go

@@ -6437,7 +6437,7 @@ func postUsageBilling(ctx context.Context, p *postUsageBillingParams, deps *bill
 	}
 
 	// 4. 账号配额用量（账号口径：TotalCost × 账号计费倍率）
-	if cost.TotalCost > 0 && p.Account.Type == AccountTypeAPIKey && p.Account.GetQuotaLimit() > 0 {
+	if cost.TotalCost > 0 && p.Account.Type == AccountTypeAPIKey && p.Account.HasAnyQuotaLimit() {
 		accountCost := cost.TotalCost * p.AccountRateMultiplier
 		if err := deps.accountRepo.IncrementQuotaUsed(ctx, p.Account.ID, accountCost); err != nil {
 			slog.Error("increment account quota used failed", "account_id", p.Account.ID, "cost", accountCost, "error", err)