增加统一倍率调整按钮

backend/internal/localstore/billing.go

@@ -100,6 +100,33 @@ func (s *Store) UpdateBillingPriceRule(_ context.Context, id string, p billing.P
 	r = cloneRule(r)
 	return &r, nil
 }
+func (s *Store) UpdateBillingPriceRules(_ context.Context, patch billing.BulkPricePatch) ([]billing.PriceRule, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if len(patch.RuleIDs) == 0 {
+		return nil, billing.ErrPriceNotFound
+	}
+	for _, id := range patch.RuleIDs {
+		if _, ok := s.priceRules[id]; !ok {
+			return nil, billing.ErrPriceNotFound
+		}
+	}
+	now := s.now().UTC().Format(time.RFC3339Nano)
+	out := make([]billing.PriceRule, 0, len(patch.RuleIDs))
+	for _, id := range patch.RuleIDs {
+		rule := cloneRule(s.priceRules[id])
+		rule.MarkupMultiplier = patch.MarkupMultiplier
+		for di := range rule.Dimensions {
+			for ti := range rule.Dimensions[di].Tiers {
+				rule.Dimensions[di].Tiers[ti].MarkupMultiplier = patch.MarkupMultiplier
+			}
+		}
+		rule.UpdatedAt = now
+		s.priceRules[id] = cloneRule(rule)
+		out = append(out, cloneRule(rule))
+	}
+	return out, nil
+}
 func (s *Store) SeedBillingPriceRules(_ context.Context, rules []billing.PriceRule) error {
 	s.mu.Lock()
 	defer s.mu.Unlock()