Show director summons as info toasts and presence queue labels.

Corridor waiters need a summon-phase byte on presence (v11); EventDef DirectorSummoned is info-only so clocks keep running.

src/HSchool.Simulation/School.cs

@@ -426,6 +426,20 @@ public sealed class School : IDisposable
         return copy;
     }
 
+    /// <summary>Queue a fact for the worker's notice board. Simulation never builds UI itself.</summary>
+    internal void RaiseWorldEvent(in WorldEvent fact) => _worldEvents.Add(fact);
+
+    /// <summary>
+    /// Presence wire tag for auto director summons. Values match <c>DirectorSummons.Presence*</c>
+    /// and <see cref="Protocol.PresenceSummonPhase"/>.
+    /// </summary>
+    public byte DirectorSummonPresencePhase(string personId) =>
+        DirectorSummonSystem.ResolvePresencePhase(this, personId);
+
+    /// <summary>ActionDef id for the person card when summoned but the live activity is idle.</summary>
+    public string? DirectorSummonPresenceActionId(string personId) =>
+        DirectorSummonSystem.PresenceActionId(DirectorSummonPresencePhase(personId));
+
     private void RecordWorldEvents(DateTime before, DateTime after)
     {
         _worldEvents.AddRange(EventSystem.Detect(this, before, after));