feat(adminuser): 优化用户管理筛选并展示筛选人数

- 免押额度与号主类型改为下拉筛选，支持有/无和优质/普通
- 新增用户成长等级筛选
- 列表上方固定展示筛选结果人数，补充组合筛选测试

backend/internal/modules/adminuser/repository.go

@@ -52,6 +52,11 @@ func (r *Repository) List(ctx context.Context, page, pageSize int, query ListQue
 	if err != nil {
 		return nil, err
 	}
+	if query.GrowthLevel != "" {
+		if _, ok := rentergrowth.LevelForCode(growthConfig, query.GrowthLevel); !ok {
+			return nil, ErrInvalidGrowthLevel
+		}
+	}
 	offset := (page - 1) * pageSize
 	var rows []userRow
 	listTx := r.db.WithContext(ctx).Table("users AS u").
@@ -99,25 +104,30 @@ func applyUserFilter(tx *gorm.DB, query ListQuery, growthConfig rentergrowth.Con
 	if query.Status != "" {
 		tx = tx.Where("u.status = ?", query.Status)
 	}
-	if query.HasDepositFreeQuota {
-		quotaLevelCodes := growthQuotaLevelCodes(growthConfig)
-		if minPoints, ok := minimumGrowthQuotaPoints(growthConfig); ok {
-			tx = tx.Where(
-				"u.deposit_free_quota_cent > 0 OR u.renter_growth_points >= ? OR u.renter_growth_level_override IN ?",
-				minPoints,
-				quotaLevelCodes,
-			)
-		} else if len(quotaLevelCodes) > 0 {
-			tx = tx.Where(
-				"u.deposit_free_quota_cent > 0 OR u.renter_growth_level_override IN ?",
-				quotaLevelCodes,
-			)
+	depositFreeQuota := query.DepositFreeQuota
+	if depositFreeQuota == "" && query.HasDepositFreeQuota {
+		depositFreeQuota = "has"
+	}
+	if depositFreeQuota != "" {
+		condition, args := depositFreeQuotaCondition(growthConfig)
+		if depositFreeQuota == "none" {
+			tx = tx.Where("NOT ("+condition+")", args...)
 		} else {
-			tx = tx.Where("u.deposit_free_quota_cent > 0")
+			tx = tx.Where(condition, args...)
 		}
 	}
-	if query.QualityOwnerOnly {
+	ownerType := query.OwnerType
+	if ownerType == "" && query.QualityOwnerOnly {
+		ownerType = "quality"
+	}
+	switch ownerType {
+	case "quality":
 		tx = tx.Where("u.quality_owner_status = ?", "active")
+	case "normal":
+		tx = tx.Where("u.quality_owner_status <> ?", "active")
+	}
+	if query.GrowthLevel != "" {
+		tx = tx.Where("u.renter_growth_level = ?", query.GrowthLevel)
 	}
 	if keyword := strings.TrimSpace(query.Keyword); keyword != "" {
 		if len(keyword) == 11 && keyword[0] == '1' && isAllDigits(keyword) {
@@ -135,6 +145,21 @@ func applyUserFilter(tx *gorm.DB, query ListQuery, growthConfig rentergrowth.Con
 	return tx
 }
 
+// depositFreeQuotaCondition 返回“有免押额度”的 SQL 条件：
+// 人工额度 > 0，或当前成长等级自带免押额度。
+func depositFreeQuotaCondition(cfg rentergrowth.Config) (string, []any) {
+	quotaLevelCodes := growthQuotaLevelCodes(cfg)
+	if minPoints, ok := minimumGrowthQuotaPoints(cfg); ok {
+		return "u.deposit_free_quota_cent > 0 OR u.renter_growth_points >= ? OR u.renter_growth_level_override IN ?",
+			[]any{minPoints, quotaLevelCodes}
+	}
+	if len(quotaLevelCodes) > 0 {
+		return "u.deposit_free_quota_cent > 0 OR u.renter_growth_level_override IN ?",
+			[]any{quotaLevelCodes}
+	}
+	return "u.deposit_free_quota_cent > 0", nil
+}
+
 func growthQuotaLevelCodes(cfg rentergrowth.Config) []string {
 	codes := make([]string, 0, len(cfg.Levels))
 	for _, level := range cfg.Levels {