fix: 修复梯度佣金档位字段缺失，补全授权接口响应字段及强充有效状态

- OneTimeCommissionTierDTO 补充 operator 字段映射
- GrantCommissionTierItem 补充 dimension/stat_scope 字段（从全局配置合并）
- 系列授权列表/详情补充强充锁定状态和强充金额的有效值计算
- 同步 OpenSpec 主规范并归档变更文档

internal/service/shop_series_grant/service.go

@@ -128,11 +128,17 @@ func (s *Service) buildGrantResponse(ctx context.Context, allocation *model.Shop
 		resp.AllocatorShopName = "平台"
 	}
 
-	// 强充状态：first_recharge 或平台已启用 accumulated_recharge 强充时，锁定不可改
+	// 强充有效状态：first_recharge 或平台已启用 accumulated_recharge 强充时，锁定不可改
 	forceRechargeLocked := config.TriggerType == model.OneTimeCommissionTriggerFirstRecharge || config.EnableForceRecharge
 	resp.ForceRechargeLocked = forceRechargeLocked
-	resp.ForceRechargeEnabled = allocation.EnableForceRecharge
-	resp.ForceRechargeAmount = allocation.ForceRechargeAmount
+	if forceRechargeLocked {
+		// 锁定时强充实际生效，金额取套餐系列配置值（allocation 字段为 0 不能使用）
+		resp.ForceRechargeEnabled = true
+		resp.ForceRechargeAmount = config.ForceAmount
+	} else {
+		resp.ForceRechargeEnabled = allocation.EnableForceRecharge
+		resp.ForceRechargeAmount = allocation.ForceRechargeAmount
+	}
 
 	// 固定模式
 	if config.CommissionType == "fixed" {
@@ -153,11 +159,13 @@ func (s *Service) buildGrantResponse(ctx context.Context, allocation *model.Shop
 		// 合并全局 operator 和代理 amount
 		tiers := make([]dto.GrantCommissionTierItem, 0, len(config.Tiers))
 		for _, globalTier := range config.Tiers {
-			tiers = append(tiers, dto.GrantCommissionTierItem{
-				Operator:  globalTier.Operator,
-				Threshold: globalTier.Threshold,
-				Amount:    agentAmountMap[globalTier.Threshold],
-			})
+		tiers = append(tiers, dto.GrantCommissionTierItem{
+			Operator:  globalTier.Operator,
+			Dimension: globalTier.Dimension,
+			StatScope: globalTier.StatScope,
+			Threshold: globalTier.Threshold,
+			Amount:    agentAmountMap[globalTier.Threshold],
+		})
 		}
 		resp.CommissionTiers = tiers
 	}
@@ -452,9 +460,11 @@ func (s *Service) List(ctx context.Context, req *dto.ShopSeriesGrantListRequest)
 			SeriesID:                a.SeriesID,
 			AllocatorShopID:         a.AllocatorShopID,
 			OneTimeCommissionAmount: a.OneTimeCommissionAmount,
-			ForceRechargeEnabled:    a.EnableForceRecharge,
-			Status:                  a.Status,
-			CreatedAt:               a.CreatedAt.Format(time.DateTime),
+			// 强充有效状态在 seriesMap 分支中计算，此处先设默认值
+			ForceRechargeEnabled: a.EnableForceRecharge,
+			ForceRechargeAmount:  a.ForceRechargeAmount,
+			Status:               a.Status,
+			CreatedAt:            a.CreatedAt.Format(time.DateTime),
 		}
 		if a.AllocatorShopID > 0 {
 			item.AllocatorShopName = shopMap[a.AllocatorShopID]
@@ -466,6 +476,16 @@ func (s *Service) List(ctx context.Context, req *dto.ShopSeriesGrantListRequest)
 			config, _ := sr.GetOneTimeCommissionConfig()
 			if config != nil {
 				item.CommissionType = config.CommissionType
+				// 计算强充有效状态：first_recharge 或平台已启用 accumulated_recharge 强充时锁定
+				forceRechargeLocked := config.TriggerType == model.OneTimeCommissionTriggerFirstRecharge || config.EnableForceRecharge
+				item.ForceRechargeLocked = forceRechargeLocked
+				if forceRechargeLocked {
+					item.ForceRechargeEnabled = true
+					item.ForceRechargeAmount = config.ForceAmount
+				} else {
+					item.ForceRechargeEnabled = a.EnableForceRecharge
+					item.ForceRechargeAmount = a.ForceRechargeAmount
+				}
 			}
 		}
 		// 统计套餐数量