Fix milestone 11 simulation flow

src/test/java/com/livingworld/events/LivingWorldEventBusTest.java

@@ -3,6 +3,8 @@ package com.livingworld.events;
 import static org.junit.jupiter.api.Assertions.*;
 
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.ArrayList;
+import java.util.List;
 
 import org.junit.jupiter.api.Test;
 
@@ -122,6 +124,36 @@ public class LivingWorldEventBusTest {
         assertEquals(2, bus.getPublishedEventCount());
     }
 
+    @Test
+    void multipleEventsAtSameTickAreAllDelivered() {
+        LivingWorldEventBus bus = new LivingWorldEventBus();
+        List<String> delivered = new ArrayList<>();
+        bus.register("soil", event -> delivered.add(event.eventType()));
+        bus.register("water", event -> delivered.add(event.eventType()));
+
+        bus.publish(new BaseLivingWorldEvent("soil", 10L, "soil"));
+        bus.publish(new BaseLivingWorldEvent("water", 10L, "water"));
+
+        assertEquals(List.of("soil", "water"), delivered);
+        assertEquals(2, bus.getPublishedEventCount());
+    }
+
+    @Test
+    void recursivelyPublishedEventIsQueuedAndDelivered() {
+        LivingWorldEventBus bus = new LivingWorldEventBus();
+        List<String> delivered = new ArrayList<>();
+        bus.register("first", event -> {
+            delivered.add("first");
+            bus.publish(new BaseLivingWorldEvent("second", event.simulationTick(), "first"));
+        });
+        bus.register("second", event -> delivered.add("second"));
+
+        bus.publish(new BaseLivingWorldEvent("first", 10L, "test"));
+
+        assertEquals(List.of("first", "second"), delivered);
+        assertEquals(2, bus.getPublishedEventCount());
+    }
+
     @Test
     void getListenerCountReturnsCorrectNumberOfListeners() {
         LivingWorldEventBus bus = new LivingWorldEventBus();
@@ -178,4 +210,4 @@ public class LivingWorldEventBusTest {
             }
         }
     }
-}
+}