fix: remove legacy knowledge card tables and compatibility code

internal/run/start_presentation.go

@@ -56,8 +56,7 @@ func loadStartPresentation(db *gorm.DB, node model.SOPNode, tenantID uint64, con
 	if len(keys) > 0 {
 		if err := db.Table("scenario_fields sf").Select("sf.*").
 			Joins("JOIN sops s ON s.scenario_id = sf.scenario_id").
-			Joins("JOIN sop_versions sv ON sv.sop_id = s.id").
-			Where("sv.id = ? AND sf.tenant_id = ? AND sf.field_key IN ?", node.SOPVersionID, tenantID, keys).
+			Where("s.id = ? AND sf.tenant_id = ? AND sf.field_key IN ?", node.SOPID, tenantID, keys).
 			Find(&fields).Error; err != nil {
 			return nil, err
 		}