feat(loader): ConditionDto/EffectDto with toModel mapping

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Semesterprojekt/src/test/java/thb/jeanluc/adventure/loader/dto/ConditionEffectDtoTest.java

@@ -0,0 +1,43 @@
+package thb.jeanluc.adventure.loader.dto;
+
+import org.junit.jupiter.api.Test;
+import thb.jeanluc.adventure.loader.WorldLoadException;
+import thb.jeanluc.adventure.model.Condition;
+import thb.jeanluc.adventure.model.Effect;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+class ConditionEffectDtoTest {
+    @Test
+    void conditionToModel() {
+        assertThat(new ConditionDto("power_on", null, null).toModel())
+                .isEqualTo(new Condition(Condition.Type.FLAG, "power_on"));
+        assertThat(new ConditionDto(null, "x", null).toModel().type())
+                .isEqualTo(Condition.Type.NOT_FLAG);
+        assertThat(new ConditionDto(null, null, "lamp").toModel().type())
+                .isEqualTo(Condition.Type.HAS_ITEM);
+    }
+
+    @Test
+    void emptyConditionThrows() {
+        assertThatThrownBy(() -> new ConditionDto(null, null, null).toModel())
+                .isInstanceOf(WorldLoadException.class);
+    }
+
+    @Test
+    void effectToModel() {
+        assertThat(new EffectDto("p", null, null, null, null).toModel())
+                .isEqualTo(new Effect(Effect.Type.SET_FLAG, "p"));
+        assertThat(new EffectDto(null, null, "key", null, null).toModel().type())
+                .isEqualTo(Effect.Type.GIVE_ITEM);
+        assertThat(new EffectDto(null, null, null, null, "boo").toModel().type())
+                .isEqualTo(Effect.Type.SAY);
+    }
+
+    @Test
+    void emptyEffectThrows() {
+        assertThatThrownBy(() -> new EffectDto(null, null, null, null, null).toModel())
+                .isInstanceOf(WorldLoadException.class);
+    }
+}