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.

tests/HSchool.Server.Tests/NoticeBoardTests.cs

@@ -95,6 +95,18 @@ public class NoticeBoardTests
         Assert.Equal("avatar", sticky.Kind);
     }
 
+    [Fact]
+    public void DirectorSummonedInfo_IsNotStickyInSave()
+    {
+        var board = new NoticeBoard(maxSticky: 8);
+
+        Assert.True(board.TryPost(DirectorSummoned(), personKey: "a0.p0", kind: "", out var info));
+        Assert.Equal("DirectorSummoned", info.DefName);
+        Assert.False(info.Pause);
+        Assert.Empty(board.Sticky);
+        Assert.DoesNotContain(board.ToSave(), row => row.DefName == "DirectorSummoned");
+    }
+
     private static EventDef Info() => new()
     {
         DefName = "DayStarted",
@@ -105,6 +117,16 @@ public class NoticeBoardTests
         Action = EventActions.None,
     };
 
+    private static EventDef DirectorSummoned() => new()
+    {
+        DefName = "DirectorSummoned",
+        Severity = EventSeverities.Info,
+        Pause = false,
+        TtlMs = 8000,
+        Trigger = EventTriggers.DirectorSummon,
+        Action = EventActions.None,
+    };
+
     private static EventDef Pausing() => new()
     {
         DefName = "GenerationFailed",