Fxed an issue with random encounters, added a repeatable property, add event for abandoning encounters

Runtime/QuestProgress.cs

@@ -14,6 +14,7 @@ namespace Jovian.EncounterSystem {
         public event Action<IEncounter> QuestStarted;
         public event Action<IEncounter, IEncounter> QuestAdvanced;
         public event Action<IEncounter> QuestCompleted;
+        public event Action<IEncounter> QuestAbandoned;
 
         public IReadOnlyCollection<string> ResolvedIds => resolvedIds;
 
@@ -76,6 +77,19 @@ namespace Jovian.EncounterSystem {
             }
         }
 
+        public void OnEncounterAbandoned(IEncounter encounter) {
+            if(encounter?.EncounterDefinition.Kind is not QuestKind questKind) {
+                return;
+            }
+
+            var id = encounter.EncounterDefinition?.internalId;
+            if(string.IsNullOrEmpty(id) || !resolvedIds.Remove(id)) {
+                return;
+            }
+
+            QuestAbandoned?.Invoke(encounter);
+        }
+
         public void LoadResolvedIds(IEnumerable<string> ids) {
             resolvedIds.Clear();
             if(ids == null) {