fixing merge rebase v6.0.0 of dynmaic endpoints with improved json

obp-api/src/main/scala/code/api/v6_0_0/JSONFactory6.0.0.scala

@@ -1394,6 +1394,47 @@ object JSONFactory600 extends CustomJsonFormats with MdcLoggable {
     )
   }
 
+  /**
+   * Create v6.0.0 response for management GET endpoints (includes record_count)
+   */
+  def createDynamicEntitiesWithCountJson(
+    entitiesWithCounts: List[(code.dynamicEntity.DynamicEntityCommons, Long)]
+  ): DynamicEntitiesWithCountJsonV600 = {
+    import net.liftweb.json.JsonAST._
+    import net.liftweb.json.parse
+
+    DynamicEntitiesWithCountJsonV600(
+      dynamic_entities = entitiesWithCounts.map { case (entity, recordCount) =>
+        // metadataJson contains the full internal format: { "EntityName": { schema }, "hasPersonalEntity": true }
+        // We need to extract just the schema part using the entity name as key
+        val fullJson = parse(entity.metadataJson).asInstanceOf[JObject]
+        val schemaOption = fullJson.obj.find(_.name == entity.entityName).map(_.value.asInstanceOf[JObject])
+
+        // Validate that the dynamic key matches entity_name
+        val dynamicKeyName = fullJson.obj.find(_.name != "hasPersonalEntity").map(_.name)
+        if (dynamicKeyName.exists(_ != entity.entityName)) {
+          throw new IllegalStateException(
+            s"Dynamic entity key mismatch: stored entityName='${entity.entityName}' but dynamic key='${dynamicKeyName.getOrElse("none")}'"
+          )
+        }
+
+        val schema = schemaOption.getOrElse(
+          throw new IllegalStateException(s"Could not extract schema for entity '${entity.entityName}' from metadataJson")
+        )
+
+        DynamicEntityDefinitionWithCountJsonV600(
+          dynamic_entity_id = entity.dynamicEntityId.getOrElse(""),
+          entity_name = entity.entityName,
+          user_id = entity.userId,
+          bank_id = entity.bankId,
+          has_personal_entity = entity.hasPersonalEntity,
+          definition = schema,
+          record_count = recordCount
+        )
+      }
+    )
+  }
+
   /**
    * Create v6.0.0 response for management GET endpoints (includes record_count)
    */