Добавить испытания и прогрессию по LevelID

app/src/test/java/com/projectsacrifice/game/VersionedSessionCodecTest.java

@@ -33,6 +33,7 @@ public final class VersionedSessionCodecTest {
         assertEquals(LevelDefinition.PhysicalObjectType.BOX,
                 restored.objects().get(0).type());
         assertEquals(3, restored.objects().get(1).mass());
+        assertTrue(restored.collectibleFound());
         assertEquals(Arrays.asList(1.25f, 3.5f), restored.platformMotionTimes());
         assertTrue(restored.toggleSignals().get("gate"));
         assertEquals(2.25f, restored.timedSignals().get("clock"), 0f);
@@ -76,6 +77,16 @@ public final class VersionedSessionCodecTest {
         assertTrue(decoded.snapshot().objects().isEmpty());
     }
 
+    @Test
+    public void legacyV4MigratesWithCollectibleNotInvented() {
+        VersionedSessionCodec.DecodeResult decoded = VersionedSessionCodec.decode(
+                VersionedSessionCodec.encodeLegacyV4(sampleSnapshot()));
+
+        assertEquals(VersionedSessionCodec.Status.MIGRATED, decoded.status());
+        assertEquals(2, decoded.snapshot().objects().size());
+        assertFalse(decoded.snapshot().collectibleFound());
+    }
+
     @Test
     public void corruptAndFutureSnapshotsFailClosed() {
         VersionedSessionCodec.DecodeResult corrupt =
@@ -109,6 +120,7 @@ public final class VersionedSessionCodecTest {
         return GameSessionSnapshot.builder(5)
                 .elapsedSeconds(12.75f)
                 .deaths(2)
+                .collectibleFound(true)
                 .respawnSeconds(0.4f)
                 .player(new GameSessionSnapshot.PlayerData(
                         640f, 780f, 120f, -40f, false, false,