implemented task legacy code

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/ModuleRegistry.java

@@ -1,7 +1,6 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.core;
 
-import static java.text.MessageFormat.format;
 
 import de.srsoftware.umbrella.core.api.*;
 
@@ -20,6 +19,8 @@ public class ModuleRegistry {
 	private Translator translator;
 	private UserService userService;
 
+
+
 	public ModuleRegistry add(Object service) {
 		switch (service) {
 			case BookmarkService bs: bookmarkService = bs; break;
@@ -35,7 +36,8 @@ public class ModuleRegistry {
 			case TimeService     ts: timeService     = ts; break;
 			case Translator      tr: translator      = tr; break;
 			case UserService     us: userService     = us; break;
-			default: throw new RuntimeException(format("Trying to add unknown service ({0}) to {1}",service.getClass().getSimpleName(),getClass().getSimpleName()));
+			case null: break;
+			default: System.getLogger(getClass().getSimpleName()).log(System.Logger.Level.WARNING,"Trying to add untracked class {0} to {1}",service.getClass().getSimpleName(),getClass().getSimpleName());
 		}
 		return this;
 	}

core/src/main/java/de/srsoftware/umbrella/core/api/TaskService.java

@@ -10,7 +10,9 @@ import java.util.List;
 public interface TaskService {
 	HashMap<Long, Task> listCompanyTasks(long companyId) throws UmbrellaException;
 	HashMap<Long, Task> listProjectTasks(long projectId) throws UmbrellaException;
+	HashMap<Long, Task> load(List<Long> taskIds);
 	Collection<Task> loadMembers(Collection<Task> tasks);
+
 	default Task loadMembers(Task task){
 		loadMembers(List.of(task));
 		return task;