add a scheduler to fix the stale workflow and bump version

pom.xml

@@ -11,7 +11,7 @@
 	</parent>
 	<groupId>com.gw</groupId>
 	<artifactId>geoweaver</artifactId>
-	<version>1.6.5</version>
+	<version>1.6.6</version>
 	<name>geoweaver</name>
 	<description>A lightweight workflow management software for organizing data analysis workflows, 
 	preserving history of every workflow run, and improving scientist producitvity and workflow FAIRness,

src/main/java/com/gw/tasks/TaskManager.java

@@ -11,6 +11,10 @@
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
 import org.apache.log4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
@@ -32,6 +36,8 @@ public class TaskManager {
 
   private CopyOnWriteArrayList<Task> waitinglist;
   private CopyOnWriteArrayList<Task> runninglist;
+  private ScheduledExecutorService scheduler; // Scheduler for periodic task checking
+
 
   Logger logger = Logger.getLogger(this.getClass());
 
@@ -49,6 +55,16 @@ public class TaskManager {
     runninglist = new CopyOnWriteArrayList();
   }
 
+  public TaskManager() {
+    this.init();
+  }
+
+  private void init() {
+    // Initialize the scheduler
+    scheduler = Executors.newScheduledThreadPool(1);
+    scheduler.scheduleAtFixedRate(this::notifyWaitinglist, 0, 1, TimeUnit.MINUTES);
+  }
+
   /** Add a new task to the waiting list */
   public void addANewTask(Task t) {
     //		t.addObserver(wto);

src/main/resources/static/js/gw.js

@@ -9,7 +9,7 @@ edu = {
         sponsor:
           "ESIPLab incubator project, NASA ACCESS project, NSF Geoinformatics project, NSF Cybertraining project",
 
-        version: "1.6.5",
+        version: "1.6.6",
 
         author: "open source contributors",