Update decision-making phase and enhance localization for presence tracking

- Marked tasks as complete in the decision-making phase documentation, indicating readiness for implementation.
- Updated the README to reflect the completion status of the decision-making phase.
- Enhanced localization strings to include new presence tracking features, improving user experience.
- Revised the game screen logic to display real-time presence status, including walking states for individuals.
- Added tests to validate the new localization strings and presence functionalities, ensuring robust performance.

src/HSchool.Simulation/School.cs

@@ -101,6 +101,17 @@ public sealed class School : IDisposable
 
     internal Queue<string> DecisionQueue { get; } = new();
 
+    internal int DecisionBudget { get; set; }
+
+    public int PendingDecisionCount => DecisionQueue.Count;
+
+    public void QueueDecision(string personId)
+    {
+        ObjectDisposedException.ThrowIf(_disposed, this);
+        ArgumentException.ThrowIfNullOrWhiteSpace(personId);
+        PresenceSystem.Enqueue(this, personId);
+    }
+
     /// <summary>
     /// Installs a roster that already matches the map. Spawns entities; does not write to disk.
     /// </summary>
@@ -243,10 +254,18 @@ public sealed class School : IDisposable
             }
 
             PresenceSystem.Apply(this, gameMinutes);
-            ActivitySystem.Apply(this, gameMinutes);
+            foreach (var id in ActivitySystem.Apply(this, gameMinutes))
+            {
+                PresenceSystem.Enqueue(this, id);
+            }
+
             if (Catalog is not null)
             {
+                var below = PresenceSystem.BelowThreshold(this);
                 NeedDecay.Apply(World, Catalog, gameMinutes);
+                PresenceSystem.EnqueueNewlyUrgent(this, below);
+                PresenceSystem.DrainDecisions(this);
+                LessonLearningSystem.Apply(this, gameMinutes);
             }
         }