feat: 添加用户租户管理功能，优化用户列表和租户信息展示，增强查询过滤条件

backend/app/http/super/dto/user_tenant.go

@@ -0,0 +1,60 @@
+package dto
+
+import (
+	"strings"
+	"time"
+
+	"quyun/v2/app/requests"
+	"quyun/v2/pkg/consts"
+
+	"go.ipao.vip/gen/types"
+)
+
+type UserTenantPageFilter struct {
+	requests.Pagination `json:",inline" query:",inline"`
+
+	TenantID *int64  `json:"tenant_id,omitempty" query:"tenant_id"`
+	Code     *string `json:"code,omitempty" query:"code"`
+	Name     *string `json:"name,omitempty" query:"name"`
+
+	// Role filters tenant_users.role containing a role (tenant_admin/member).
+	Role *consts.TenantUserRole `json:"role,omitempty" query:"role"`
+	// Status filters tenant_users.status.
+	Status *consts.UserStatus `json:"status,omitempty" query:"status"`
+
+	CreatedAtFrom *time.Time `json:"created_at_from,omitempty" query:"created_at_from"`
+	CreatedAtTo   *time.Time `json:"created_at_to,omitempty" query:"created_at_to"`
+}
+
+func (f *UserTenantPageFilter) CodeTrimmed() string {
+	if f == nil || f.Code == nil {
+		return ""
+	}
+	return strings.ToLower(strings.TrimSpace(*f.Code))
+}
+
+func (f *UserTenantPageFilter) NameTrimmed() string {
+	if f == nil || f.Name == nil {
+		return ""
+	}
+	return strings.TrimSpace(*f.Name)
+}
+
+type UserTenantItem struct {
+	TenantID int64  `json:"tenant_id"`
+	Code     string `json:"code"`
+	Name     string `json:"name"`
+
+	TenantStatus            consts.TenantStatus `json:"tenant_status"`
+	TenantStatusDescription string              `json:"tenant_status_description,omitempty"`
+	ExpiredAt               time.Time           `json:"expired_at"`
+
+	Owner *TenantOwnerUserLite `json:"owner,omitempty"`
+
+	Role types.Array[consts.TenantUserRole] `json:"role"`
+
+	MemberStatus            consts.UserStatus `json:"member_status"`
+	MemberStatusDescription string            `json:"member_status_description,omitempty"`
+
+	JoinedAt time.Time `json:"joined_at"`
+}