feat(content): author thirty stages, live hints, progression and Blender themes

2026-10-05 13:05:27 +09:00
parent 60f8a55bb9
commit 64f4f19ae9
304 changed files with 20710 additions and 419 deletions
@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace MagnetismHeroes.Core
+{
+    public enum HintKind { Collect, Count, Merge, Split }
+    public sealed class BoardHint
+    {
+        public HintKind Kind { get; }
+        public string[] BallIds { get; }
+        public string FirstGroupId { get; }
+        public string SecondGroupId { get; }
+        public int GroupSize { get; }
+        public int SelectionCount => BallIds.Length;
+        public string VoiceId => Kind == HintKind.Collect ? "guide_find" : Kind == HintKind.Count ? "guide_uncounted"
+            : Kind == HintKind.Merge ? "guide_merge" : $"guide_split_{GroupSize}_{SelectionCount}";
+        internal BoardHint(HintKind kind, GroupState first, string[] balls, GroupState second = null)
+        { Kind = kind; FirstGroupId = first.id; SecondGroupId = second?.id; GroupSize = first.ballIds.Length; BallIds = balls; }
+
+        public static BoardHint Find(BoardRules board, StageDefinition definition)
+        {
+            if (board == null || board.Mode == BoardMode.FreePlay || board.IsSolved) return null;
+            var groups = board.Groups;
+            if (board.Mode == BoardMode.Counting)
+            {
+                var collectedGroups = groups.Where(group => group.ballIds.All(id => board.CollectedBallIds.Contains(id))).ToArray();
+                if (collectedGroups.Length > 1) return Merge(collectedGroups[0], collectedGroups[1]);
+                var uncollected = board.Balls.FirstOrDefault(ball => !board.CollectedBallIds.Contains(ball.id));
+                if (uncollected != null) return new BoardHint(HintKind.Collect, groups.First(group => group.ballIds.Contains(uncollected.id)), new[] { uncollected.id });
+                if (groups.Length > 1) return Merge(groups[0], groups[1]);
+                return new BoardHint(HintKind.Count, groups[0], new[] { groups[0].ballIds.First(id => !board.CountedBallIds.Contains(id)) });
+            }
+            // Integer partitions of at most ten balls are a small, finite undirected graph.
+            // Distances from the target make every suggested live operation shorten a valid solution.
+            var distance = new Dictionary<string, int>(); var queue = new Queue<int[]>();
+            var target = definition.TargetGroups.OrderBy(size => size).ToArray();
+            distance.Add(Key(target), 0); queue.Enqueue(target);
+            while (queue.Count > 0)
+            {
+                var sizes = queue.Dequeue(); int nextDistance = distance[Key(sizes)] + 1;
+                foreach (var next in Neighbors(sizes))
+                    if (!distance.ContainsKey(Key(next))) { distance.Add(Key(next), nextDistance); queue.Enqueue(next); }
+            }
+            var current = groups.Select(group => group.ballIds.Length).ToArray(); int desired = distance[Key(current)] - 1;
+            for (int i = 0; i < groups.Length; i++)
+                for (int j = i + 1; j < groups.Length; j++)
+                    if (distance[Key(Merged(current, i, j))] == desired) return Merge(groups[i], groups[j]);
+            for (int i = 0; i < groups.Length; i++)
+                for (int count = 1; count <= current[i] / 2; count++)
+                    if (distance[Key(Split(current, i, count))] == desired)
+                        return new BoardHint(HintKind.Split, groups[i], groups[i].ballIds.Take(count).ToArray());
+            throw new InvalidOperationException("A valid unsolved partition must have a shorter neighbor.");
+        }
+        private static BoardHint Merge(GroupState first, GroupState second) => new BoardHint(HintKind.Merge, first, first.ballIds.Concat(second.ballIds).ToArray(), second);
+        private static string Key(IEnumerable<int> sizes) => string.Join(",", sizes.OrderBy(size => size));
+        private static int[] Merged(int[] sizes, int i, int j) => sizes.Where((size, index) => index != i && index != j).Concat(new[] { sizes[i] + sizes[j] }).ToArray();
+        private static int[] Split(int[] sizes, int i, int count) => sizes.Where((size, index) => index != i).Concat(new[] { count, sizes[i] - count }).ToArray();
+        private static IEnumerable<int[]> Neighbors(int[] sizes)
+        {
+            for (int i = 0; i < sizes.Length; i++)
+            {
+                for (int j = i + 1; j < sizes.Length; j++) yield return Merged(sizes, i, j);
+                for (int count = 1; count <= sizes[i] / 2; count++) yield return Split(sizes, i, count);
+            }
+        }
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 9c5d298887e9598459597d508e8a1bb5
@@ -22,6 +22,9 @@ namespace MagnetismHeroes.Core
        public IReadOnlyList<StageDefinition> Definitions => Array.AsReadOnly(_definitions);
        public bool HasUnfinishedStage(int stageId) => _progress.puzzleStates.Any(state => state.stageId == stageId);
        public bool HasSeenTutorial(string id) => _progress.seenTutorialIds.Contains(id);
+        public BoardHint Hint => BoardHint.Find(Board, _definitions.FirstOrDefault(stage => stage.Id == Board?.StageId));
+        public bool HasNextStage => Screen == SessionScreen.FreePlay && _definitions.Any(stage => stage.Id == Board.StageId + 1) && IsUnlocked(Board.StageId + 1);
+        public bool StartNextStage() => HasNextStage && StartStage(Board.StageId + 1);

        public bool MarkTutorialSeen(string id)
        {
@@ -0,0 +1,202 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using MagnetismHeroes.Core;
+using MagnetismHeroes.UnityRuntime.Bootstrap;
+using MagnetismHeroes.UnityRuntime.Presentation;
+using MagnetismHeroes.UnityRuntime.StageAssets;
+using TMPro;
+using UnityEditor;
+using UnityEngine;
+
+namespace MagnetismHeroes.Editor
+{
+    public static class ContentAssets
+    {
+        public static void InspectModels()
+        {
+            foreach (string path in Directory.GetFiles(Presentation + "Prefabs/Scenery", "*.prefab"))
+            {
+                var root=UnityEngine.Object.Instantiate(AssetDatabase.LoadAssetAtPath<GameObject>(path));
+                foreach (var mesh in root.GetComponentsInChildren<MeshFilter>()) Debug.Log($"[ModelBounds] {path} rootRotation={root.transform.rotation} childRotation={mesh.transform.rotation} scale={mesh.transform.lossyScale} mesh={mesh.sharedMesh.bounds} renderer={mesh.GetComponent<MeshRenderer>().bounds}");
+                UnityEngine.Object.DestroyImmediate(root);
+            }
+        }
+        private const string Presentation = "Assets/MagnetismHeroes/UnityRuntime/Presentation/";
+        private static readonly int[][] Initial = {
+            new[] {1,1}, new[] {2,1}, new[] {3,1}, new[] {2,3}, new[] {2},
+            new[] {3}, new[] {4}, new[] {5}, new[] {3,1}, new[] {4,1},
+            new[] {5,1}, new[] {3,4}, new[] {4,4}, new[] {5,5}, new[] {6},
+            new[] {7}, new[] {9}, new[] {10}, new[] {5,3}, new[] {6,4} };
+        private static readonly int[][] Target = {
+            new[] {2}, new[] {3}, new[] {4}, new[] {5}, new[] {1,1},
+            new[] {2,1}, new[] {2,2}, new[] {3,2}, new[] {2,2}, new[] {3,2},
+            new[] {6}, new[] {7}, new[] {8}, new[] {10}, new[] {5,1},
+            new[] {4,3}, new[] {5,4}, new[] {5,5}, new[] {4,4}, new[] {5,5} };
+        [MenuItem("Magnetism Heroes/Build Content Assets")]
+        public static void Build()
+        {
+            foreach (string folder in new[] { "Models", "Materials", "Prefabs/Scenery" }) Directory.CreateDirectory(Presentation + folder);
+            AssetDatabase.Refresh();
+            string[] modelNames = { "Island", "BlockArch", "ToySteps", "Pebbles", "GardenFlower", "GardenMushroom", "GardenLeaf", "CloudPuff", "CloudRainbow", "CloudMoon", "WorkshopStar", "WorkshopGear", "WorkshopCrystals" };
+            var props = modelNames.ToDictionary(name => name, Prop);
+            var stages = Enumerable.Range(1, 30).Select(id => Stage(id, props)).ToArray();
+            var font = AssetDatabase.LoadAssetAtPath<TMP_FontAsset>(Presentation + "Fonts/NotoSansCJKkr-FirstSlice.asset");
+            const string glyphs = "0123456789 · 잠금 완료 이어하기 시작 도움 다음 시범 나누기 → 하나 선택 끌어내기 친구를 끌어와 붙여 보자 이 친구를 찾아 끌어와 볼까? 아직 세지 않은 이 구를 눌러 볼까? 빛나는 두 친구를 가까이 끌어와 붙여 볼까? 빛나는 친구에서 나누기를 누르고 개를 골라 끌어내 보자.";
+            if (glyphs.Any(character => !font.HasCharacter(character)))
+            {
+                typeof(TMP_FontAsset).GetProperty("SourceFont_EditorRef", BindingFlags.Instance | BindingFlags.NonPublic)
+                    .SetValue(font, AssetDatabase.LoadAssetAtPath<Font>(Presentation + "Fonts/NotoSansCJKkr-Regular.otf"));
+                font.atlasPopulationMode = AtlasPopulationMode.Dynamic;
+                try { if (!font.TryAddCharacters(glyphs, out var missing)) throw new InvalidOperationException("Missing content glyphs: " + missing); }
+                finally { font.atlasPopulationMode = AtlasPopulationMode.Static; }
+                EditorUtility.SetDirty(font);
+            }
+            var root = PrefabUtility.LoadPrefabContents(FirstSliceAssets.AppPrefabPath);
+            try
+            {
+                var app = new SerializedObject(root.GetComponent<GameApp>());
+                var catalog = app.FindProperty("_stages"); catalog.arraySize = stages.Length;
+                for (int i = 0; i < stages.Length; i++) catalog.GetArrayElementAtIndex(i).objectReferenceValue = stages[i];
+                // These representative controls are now members of the complete ordered catalog.
+                app.FindProperty("_compositionButtons").arraySize = 3;
+                var selection = root.transform.Find("Interface/SafeArea/StageSelection");
+                var template = selection.Find("Stage01Button").gameObject;
+                var buttons = app.FindProperty("_stageButtons"); buttons.arraySize = 30;
+                for (int i = 0; i < 30; i++)
+                {
+                    var button = Button(selection, template, $"Stage{i + 1:D2}Button", $"{i + 1} · 잠금",
+                        new Vector2(.12f + i % 6 * .152f, .76f - i / 6 * .123f), new Vector2(165, 66), 24);
+                    buttons.GetArrayElementAtIndex(i).objectReferenceValue = button;
+                }
+                for (int i = 0; i < 3; i++) app.FindProperty("_compositionButtons").GetArrayElementAtIndex(i).objectReferenceValue = selection.Find($"Stage{new[] { 6, 10, 14 }[i]:D2}Button").GetComponent<UnityEngine.UI.Button>();
+                var title = (RectTransform)selection.Find("SelectionTitle"); title.anchorMin = title.anchorMax = new Vector2(.5f, .92f); title.sizeDelta = new Vector2(820, 65);
+                var back = (RectTransform)selection.Find("SelectionHomeButton"); back.anchorMin = back.anchorMax = new Vector2(.5f, .11f); back.sizeDelta = new Vector2(230, 60);
+                var play = root.transform.Find("Interface/SafeArea/Play"); var playTemplate = play.Find("HomeButton").gameObject;
+                app.FindProperty("_helpButton").objectReferenceValue = Button(play, playTemplate, "HelpButton", "도움", new Vector2(.13f, .34f), new Vector2(170, 62), 28);
+                app.FindProperty("_nextButton").objectReferenceValue = Button(play, playTemplate, "NextButton", "다음", new Vector2(.86f, .4f), new Vector2(170, 62), 28);
+                var world = root.transform.Find("Playground");
+                foreach (string name in new[] { "ToyStep", "ToyArchPost" })
+                { var old = world.Find(name); if (old != null) UnityEngine.Object.DestroyImmediate(old.gameObject); }
+                var floor=world.Find("PlaygroundIsland");
+                if (floor==null) { floor=new GameObject("PlaygroundIsland",typeof(MeshFilter),typeof(MeshRenderer),typeof(MeshCollider)).transform; floor.SetParent(world,false); }
+                var island=props["Island"].GetComponentInChildren<MeshFilter>();
+                floor.localPosition=new Vector3(0,-.45f,0); floor.localRotation=island.transform.localRotation; floor.localScale=Vector3.one;
+                floor.GetComponent<MeshFilter>().sharedMesh=island.sharedMesh;
+                floor.GetComponent<MeshRenderer>().sharedMaterial=island.GetComponent<MeshRenderer>().sharedMaterial;
+                floor.GetComponent<MeshCollider>().sharedMesh=island.sharedMesh;
+                var environment = world.Find("Environment");
+                if (environment == null) { environment = new GameObject("Environment", typeof(BoardEnvironment)).transform; environment.SetParent(world, false); }
+                app.FindProperty("_environment").objectReferenceValue = environment.GetComponent<BoardEnvironment>();
+                var ghost = play.Find("GhostDemonstration");
+                if (ghost == null)
+                {
+                    ghost = new GameObject("GhostDemonstration", typeof(RectTransform), typeof(UnityEngine.UI.Image), typeof(GhostDemonstration)).transform;
+                    ghost.SetParent(play, false); var rect = (RectTransform)ghost; rect.anchorMin = rect.anchorMax = new Vector2(.22f, .58f); rect.sizeDelta = new Vector2(330, 160);
+                    var background = ghost.GetComponent<UnityEngine.UI.Image>(); background.color = new Color(.12f, .2f, .31f, .92f); background.raycastTarget = false;
+                    var serialized = new SerializedObject(ghost.GetComponent<GhostDemonstration>());
+                    foreach (string field in new[] { "_first", "_second" })
+                    {
+                        var ball = new GameObject(field, typeof(RectTransform), typeof(UnityEngine.UI.Image)); ball.transform.SetParent(ghost, false);
+                        var ballRect = (RectTransform)ball.transform; ballRect.sizeDelta = new Vector2(54, 54);
+                        var image = ball.GetComponent<UnityEngine.UI.Image>(); image.raycastTarget = false;
+                        image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>("UI/Skin/Knob.psd");
+                        serialized.FindProperty(field).objectReferenceValue = ballRect;
+                    }
+                    var caption = new GameObject("Caption", typeof(RectTransform), typeof(TextMeshProUGUI)); caption.transform.SetParent(ghost, false);
+                    var text = caption.GetComponent<TextMeshProUGUI>(); text.font = font; text.fontSize = 22; text.color = Color.white; text.alignment = TextAlignmentOptions.Center; text.raycastTarget = false;
+                    text.rectTransform.anchorMin = text.rectTransform.anchorMax = new Vector2(.5f, .17f); text.rectTransform.sizeDelta = new Vector2(310, 55);
+                    serialized.FindProperty("_caption").objectReferenceValue = text; serialized.ApplyModifiedPropertiesWithoutUndo();
+                }
+                ghost.gameObject.SetActive(false); app.FindProperty("_demonstration").objectReferenceValue = ghost.GetComponent<GhostDemonstration>();
+                app.ApplyModifiedPropertiesWithoutUndo();
+                var voice = new SerializedObject(root.GetComponent<VoicePlayer>()); var clips = voice.FindProperty("_clips");
+                foreach (string path in Directory.GetFiles(Presentation + "Audio/Voice", "*.wav"))
+                {
+                    string id = Path.GetFileNameWithoutExtension(path);
+                    var clip = AssetDatabase.LoadAssetAtPath<AudioClip>(path.Replace('\\', '/'));
+                    var importer = (AudioImporter)AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(clip)); var settings = importer.defaultSampleSettings;
+                    settings.loadType = AudioClipLoadType.DecompressOnLoad; settings.compressionFormat = AudioCompressionFormat.PCM; settings.preloadAudioData = true;
+                    importer.defaultSampleSettings = settings; importer.SaveAndReimport();
+                    int index = Enumerable.Range(0, clips.arraySize).Where(i => clips.GetArrayElementAtIndex(i).FindPropertyRelative("id").stringValue == id).DefaultIfEmpty(-1).First();
+                    if (index < 0) { index = clips.arraySize; clips.arraySize++; }
+                    clips.GetArrayElementAtIndex(index).FindPropertyRelative("id").stringValue = id;
+                    clips.GetArrayElementAtIndex(index).FindPropertyRelative("clip").objectReferenceValue = clip;
+                }
+                voice.ApplyModifiedPropertiesWithoutUndo(); PrefabUtility.SaveAsPrefabAsset(root, FirstSliceAssets.AppPrefabPath);
+            }
+            finally { PrefabUtility.UnloadPrefabContents(root); }
+            AssetDatabase.SaveAssets(); Debug.Log("[Content] All 30 fixed assets, three Blender scenery themes, ordered controls, live help, next and ghost demonstrations built.");
+        }
+        private static GameObject Prop(string name)
+        {
+            string modelPath = Presentation + "Models/" + name + ".fbx";
+            var importer = (ModelImporter)AssetImporter.GetAtPath(modelPath);
+            if (importer == null) throw new InvalidOperationException("Blender export missing: " + modelPath);
+            importer.globalScale = 1; importer.useFileScale = true; importer.bakeAxisConversion = true; importer.importCameras = false; importer.importLights = false; importer.importAnimation = false;
+            importer.SaveAndReimport();
+            var model = AssetDatabase.LoadAssetAtPath<GameObject>(modelPath);
+            var instance = new GameObject(name);
+            var modelInstance=(GameObject)PrefabUtility.InstantiatePrefab(model); modelInstance.transform.SetParent(instance.transform,false);
+            try
+            {
+                var color = name.StartsWith("Garden") ? new Color(.96f,.56f,.48f) : name.StartsWith("Cloud") ? new Color(.8f,.88f,1) : name.StartsWith("Workshop") ? new Color(1,.79f,.27f) : name == "Island" ? new Color(.61f,.83f,.71f) : new Color(.61f,.69f,.92f);
+                string materialPath = Presentation + "Materials/" + name + ".mat";
+                var material = AssetDatabase.LoadAssetAtPath<Material>(materialPath);
+                if (material == null) { material = new Material(Shader.Find("Universal Render Pipeline/Lit")); AssetDatabase.CreateAsset(material, materialPath); }
+                material.color = color; EditorUtility.SetDirty(material);
+                foreach (var renderer in instance.GetComponentsInChildren<MeshRenderer>()) renderer.sharedMaterial = material;
+                foreach (var filter in instance.GetComponentsInChildren<MeshFilter>())
+                { var collider = filter.gameObject.GetComponent<MeshCollider>(); if (collider == null) collider = filter.gameObject.AddComponent<MeshCollider>(); collider.sharedMesh = filter.sharedMesh; collider.convex = false; }
+                return PrefabUtility.SaveAsPrefabAsset(instance, Presentation + "Prefabs/Scenery/" + name + ".prefab");
+            }
+            finally { UnityEngine.Object.DestroyImmediate(instance); }
+        }
+        private static StageAsset Stage(int id, System.Collections.Generic.Dictionary<string, GameObject> props)
+        {
+            bool counting = id <= 5 || id >= 16 && id <= 20;
+            int n = id <= 5 ? id : id - 10; int index = id <= 15 ? id - 6 : id - 11;
+            int[] initial = counting ? Enumerable.Repeat(1, n).ToArray() : Initial[index];
+            int[] target = counting ? new[] { n } : Target[index];
+            string path = $"Assets/MagnetismHeroes/UnityRuntime/StageAssets/Stage{id:D2}.asset";
+            var stage = AssetDatabase.LoadAssetAtPath<StageAsset>(path);
+            bool preserveLayout = stage != null;
+            if (stage == null) { stage = ScriptableObject.CreateInstance<StageAsset>(); AssetDatabase.CreateAsset(stage, path); }
+            var data = new SerializedObject(stage); data.FindProperty("_stageId").intValue = id;
+            data.FindProperty("_kind").enumValueIndex = (int)(counting ? StageKind.Counting : StageKind.Composition);
+            foreach (var spec in new[] { ("_initialGroups", initial), ("_targetGroups", target) })
+            { var field = data.FindProperty(spec.Item1); field.arraySize = spec.Item2.Length; for (int i = 0; i < spec.Item2.Length; i++) field.GetArrayElementAtIndex(i).intValue = spec.Item2[i]; }
+            if (!preserveLayout)
+            {
+                var positions = data.FindProperty("_ballPositions"); positions.arraySize = initial.Sum(); int ball = 0;
+                if (counting)
+                {
+                    var layout = new[] { new Vector3(-2,.8f,0), new Vector3(2,.8f,0), new Vector3(0,2.3f,0), new Vector3(-3.4f,.8f,2.8f), new Vector3(3.2f,2.7f,1.5f), new Vector3(0,.8f,2.5f), new Vector3(-2.2f,2.7f,-1.5f), new Vector3(2.2f,.8f,-1.8f), new Vector3(-.5f,2.2f,2.5f), new Vector3(3.4f,.8f,2.8f) };
+                    for (int i = 0; i < positions.arraySize; i++) positions.GetArrayElementAtIndex(i).vector3Value = layout[i];
+                }
+                else for (int group = 0; group < initial.Length; group++)
+                    for (int i = 0; i < initial[group]; i++)
+                        positions.GetArrayElementAtIndex(ball++).vector3Value = new Vector3(i - (initial[group] - 1) * .5f, .8f, initial.Length == 1 ? 0 : group == 0 ? -1.2f : 1.2f);
+            }
+            string theme = id <= 10 ? "Garden" : id <= 20 ? "Cloud" : "Workshop"; data.FindProperty("_theme").stringValue = theme;
+            string[] themed = theme == "Garden" ? new[] { "GardenFlower", "GardenMushroom", "GardenLeaf" } : theme == "Cloud" ? new[] { "CloudPuff", "CloudRainbow", "CloudMoon" } : new[] { "WorkshopStar", "WorkshopGear", "WorkshopCrystals" };
+            string[] names = new[] { "Island", "BlockArch", "ToySteps", "Pebbles" }.Concat(themed).ToArray();
+            var locations = new[] { new Vector3(0,-.45f,0), new Vector3(-4,0,1.6f), new Vector3(4,0,1.7f), new Vector3(3.8f,0,-2.6f), new Vector3(-4.1f,0,-1.8f), new Vector3(-3.4f,0,1.4f), new Vector3(3.7f,0,3) };
+            var decorations = data.FindProperty("_decorations"); decorations.arraySize = names.Length;
+            for (int i = 0; i < names.Length; i++)
+            {
+                var placement = decorations.GetArrayElementAtIndex(i); placement.FindPropertyRelative("prefab").objectReferenceValue = props[names[i]];
+                placement.FindPropertyRelative("position").vector3Value = locations[i]; placement.FindPropertyRelative("eulerAngles").vector3Value = Vector3.zero; placement.FindPropertyRelative("scale").vector3Value = Vector3.one;
+            }
+            data.ApplyModifiedPropertiesWithoutUndo(); return stage;
+        }
+        private static UnityEngine.UI.Button Button(Transform parent, GameObject template, string name, string label, Vector2 anchor, Vector2 size, float fontSize)
+        {
+            var existing = parent.Find(name); var button = existing == null ? UnityEngine.Object.Instantiate(template, parent) : existing.gameObject;
+            button.name = name; var rect = (RectTransform)button.transform; rect.anchorMin = rect.anchorMax = anchor; rect.anchoredPosition = Vector2.zero; rect.sizeDelta = size;
+            var text = button.GetComponentInChildren<TMP_Text>(); text.text = label; text.fontSize = fontSize; text.rectTransform.sizeDelta = size;
+            return button.GetComponent<UnityEngine.UI.Button>();
+        }
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 1023d9efc73aff743bf77a461d6d5ce6
@@ -26,9 +26,9 @@ namespace MagnetismHeroes.Tests
        {
            var prefab = AssetDatabase.LoadAssetAtPath<GameObject>("Assets/MagnetismHeroes/UnityRuntime/Presentation/Prefabs/GameApp.prefab");
            var serialized = new SerializedObject(prefab.GetComponent<GameApp>()); var stages = serialized.FindProperty("_stages");
-            Assert.That(stages.arraySize, Is.EqualTo(5)); var definitions = Enumerable.Range(0, stages.arraySize)
+            Assert.That(stages.arraySize, Is.EqualTo(30)); var definitions = Enumerable.Range(0, stages.arraySize)
                .Select(index => ((StageAsset)stages.GetArrayElementAtIndex(index).objectReferenceValue).ToDefinition()).ToArray();
-            Assert.That(definitions.Select(stage => stage.Id), Is.EqualTo(new[] { 1, 2, 6, 10, 14 }));
+            Assert.That(definitions.Select(stage => stage.Id), Is.EqualTo(Enumerable.Range(1, 30)));
            var session = new GameSession(definitions, new EmptyStore()); Assert.That(session.IsUnlocked(6), Is.False);
            Assert.That(session.StartStage(6), Is.False); Assert.That(session.IsUnlocked(10), Is.False); Assert.That(session.IsUnlocked(14), Is.False);
            Assert.That(serialized.FindProperty("_compositionButtons").arraySize, Is.EqualTo(3));
@@ -0,0 +1,41 @@
+using System.Linq;
+using MagnetismHeroes.Core;
+using MagnetismHeroes.UnityRuntime.StageAssets;
+using NUnit.Framework;
+using UnityEditor;
+
+namespace MagnetismHeroes.Tests
+{
+    public sealed class ContentAssetTests
+    {
+        [Test] public void EveryFixedStageHasExactlyOneAsset()
+        {
+            var assets = AssetDatabase.FindAssets("t:StageAsset", new[] { "Assets/MagnetismHeroes/UnityRuntime/StageAssets" })
+                .Select(guid => AssetDatabase.LoadAssetAtPath<StageAsset>(AssetDatabase.GUIDToAssetPath(guid))).ToArray();
+            Assert.That(assets.Length, Is.EqualTo(30));
+            Assert.That(assets.Select(asset => asset.StageId).OrderBy(id => id), Is.EqualTo(Enumerable.Range(1, 30)));
+        }
+        [Test] public void FixedOrderMatchesEveryR07InitialTargetAndKind()
+        {
+            string[] expected = { "1>1", "1,1>2", "1,1,1>3", "1,1,1,1>4", "1,1,1,1,1>5",
+                "1,1>2", "2,1>3", "3,1>4", "2,3>5", "2>1,1", "3>2,1", "4>2,2", "5>3,2", "3,1>2,2", "4,1>3,2",
+                "1,1,1,1,1,1>6", "1,1,1,1,1,1,1>7", "1,1,1,1,1,1,1,1>8", "1,1,1,1,1,1,1,1,1>9", "1,1,1,1,1,1,1,1,1,1>10",
+                "5,1>6", "3,4>7", "4,4>8", "5,5>10", "6>5,1", "7>4,3", "9>5,4", "10>5,5", "5,3>4,4", "6,4>5,5" };
+            for (int id=1; id<=30; id++)
+            {
+                var asset=AssetDatabase.LoadAssetAtPath<StageAsset>($"Assets/MagnetismHeroes/UnityRuntime/StageAssets/Stage{id:D2}.asset");
+                var definition=asset.ToDefinition();
+                Assert.That(string.Join(",",definition.InitialGroups)+">"+string.Join(",",definition.TargetGroups), Is.EqualTo(expected[id-1]), $"Stage {id}");
+                Assert.That(definition.Kind, Is.EqualTo(id<=5 || id>=16 && id<=20 ? StageKind.Counting : StageKind.Composition));
+                Assert.That(definition.Total, Is.EqualTo(definition.TargetGroups.Sum())); Assert.That(definition.Total, Is.InRange(1,10));
+                Assert.That(definition.BallPositions.Count, Is.EqualTo(definition.Total));
+                Assert.That(asset.Theme, Is.EqualTo(id<=10 ? "Garden" : id<=20 ? "Cloud" : "Workshop"));
+                Assert.That(asset.Decorations.Count, Is.EqualTo(7));
+                foreach (var placement in asset.Decorations) Assert.That(placement.prefab, Is.Not.Null);
+                string before=EditorJsonUtility.ToJson(asset); var board=new BoardRules(definition);
+                board.TryMoveGroup(board.Groups[0].id,new Position3(1,0,0));
+                Assert.That(EditorJsonUtility.ToJson(asset), Is.EqualTo(before), "Runtime rules never mutate their source asset.");
+            }
+        }
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: ae9003f830dded844a056f200eb4b634
@@ -0,0 +1,111 @@
+using System;
+using System.Linq;
+using MagnetismHeroes.Core;
+using MagnetismHeroes.UnityRuntime.StageAssets;
+using NUnit.Framework;
+using UnityEditor;
+
+namespace MagnetismHeroes.Tests
+{
+    public sealed class ContentSessionTests
+    {
+        private sealed class Store : IProgressStore
+        {
+            public ProgressSave Saved = new ProgressSave();
+            public bool TryLoad(out ProgressSave save, out string error) { save = Saved; error = null; return true; }
+            public bool TrySave(ProgressSave save, out string error) { Saved = save; error = null; return true; }
+        }
+        private static StageDefinition[] Definitions() => Enumerable.Range(1,30).Select(id =>
+            AssetDatabase.LoadAssetAtPath<StageAsset>($"Assets/MagnetismHeroes/UnityRuntime/StageAssets/Stage{id:D2}.asset").ToDefinition()).ToArray();
+        private static void Apply(GameSession session, BoardHint hint)
+        {
+            Assert.That(hint, Is.Not.Null);
+            RuleResult result;
+            switch (hint.Kind)
+            {
+                case HintKind.Collect: result = session.MoveGroup(hint.FirstGroupId, new Position3(.1f,0,0)); break;
+                case HintKind.Count: result = session.Count(hint.BallIds[0]); break;
+                case HintKind.Merge: result = session.MoveAndMerge(hint.FirstGroupId, new Position3(.1f,0,0), hint.SecondGroupId); break;
+                default: result = session.SplitAndMove(hint.FirstGroupId, hint.BallIds, "hint-split-" + Guid.NewGuid().ToString("N"), new Position3(1,0,0)); break;
+            }
+            Assert.That(result.Accepted, Is.True, result.Reason.ToString());
+        }
+        [Test] public void FreshSaveSolvesAllThirtyThroughActualCoreCallsUnlocksNextAndNeverThirtyOne()
+        {
+            var definitions = Definitions(); var store = new Store(); var session = new GameSession(definitions, store);
+            Assert.That(Enumerable.Range(1,30).Where(session.IsUnlocked), Is.EqualTo(new[] {1}));
+            for (int id = 1; id <= 30; id++)
+            {
+                if (id == 1) Assert.That(session.StartStage(id), Is.True);
+                else Assert.That(session.StartNextStage(), Is.True);
+                Assert.That(session.Board.StageId, Is.EqualTo(id));
+                for (int step = 0; session.Screen == SessionScreen.Puzzle && step < 40; step++)
+                {
+                    var before = UnityEngine.JsonUtility.ToJson(store.Saved); var ids = session.Board.Balls.Select(ball => ball.id).ToArray();
+                    var hint = session.Hint;
+                    Assert.That(UnityEngine.JsonUtility.ToJson(store.Saved), Is.EqualTo(before), "Help is read-only.");
+                    Apply(session, hint); Assert.That(session.Board.Balls.Select(ball => ball.id), Is.EqualTo(ids));
+                }
+                Assert.That(session.Screen, Is.EqualTo(SessionScreen.FreePlay), $"Stage {id}");
+                Assert.That(store.Saved.completedStageIds, Is.EqualTo(Enumerable.Range(1,id)));
+                Assert.That(session.HasNextStage, Is.EqualTo(id < 30));
+                Assert.That(store.Saved.latestFreePlay.sourceStageId, Is.EqualTo(id));
+                session = new GameSession(definitions, store); Assert.That(session.ContinueFreePlay(), Is.True);
+            }
+            Assert.That(session.IsUnlocked(31), Is.False); Assert.That(session.StartNextStage(), Is.False); Assert.That(session.StartStage(31), Is.False);
+            Assert.That(session.StartStage(6), Is.True); session.MoveGroup(session.Board.Groups[0].id, new Position3(.2f,0,0)); session.ShowHome();
+            Assert.That(store.Saved.completedStageIds, Is.EqualTo(Enumerable.Range(1,30))); Assert.That(session.IsUnlocked(30), Is.True);
+            Assert.That(session.StartStage(6), Is.True); Assert.That(session.Board.Balls[0].position.x, Is.EqualTo(definitions[5].BallPositions[0].x+.2f));
+        }
+        [Test] public void NextPrefersSavedPuzzleAndHelpRecoversFromAlternativeDisconnectedPartitions()
+        {
+            var definitions = Definitions(); var store = new Store { Saved = new ProgressSave { completedStageIds = Enumerable.Range(1,29).ToArray() } };
+            var session = new GameSession(definitions,store); Assert.That(session.StartStage(30), Is.True);
+            var group = session.Board.Groups[0]; session.SplitAndMove(group.id,new[] {group.ballIds[0],group.ballIds[2]},"alternative",new Position3(0,2,0));
+            session.CommitCamera(new CameraState { distance=12 }); session.ShowHome();
+            Assert.That(session.StartStage(29), Is.True);
+            for (int i=0; session.Screen==SessionScreen.Puzzle && i<30; i++) Apply(session,session.Hint);
+            Assert.That(session.StartNextStage(), Is.True); Assert.That(session.Camera.distance, Is.EqualTo(12));
+            Assert.That(session.Board.Groups.Any(value=>value.id=="alternative"), Is.True);
+            for (int i=0; session.Screen==SessionScreen.Puzzle && i<30; i++) Apply(session,session.Hint);
+            Assert.That(session.Screen, Is.EqualTo(SessionScreen.FreePlay));
+            Assert.That(session.Board.Groups.Select(value=>value.ballIds.Length).OrderBy(size=>size), Is.EqualTo(new[] {5,5}));
+        }
+        [Test] public void AllIntegerPartitionsHaveLiveHintsThatReachEachCompositionTarget()
+        {
+            foreach (var definition in Definitions().Where(stage=>stage.Kind==StageKind.Composition))
+                foreach (var sizes in Partitions(definition.Total,1))
+                {
+                    var board = new BoardRules(new StageDefinition(definition.Id,StageKind.Composition,sizes,definition.TargetGroups.ToArray()));
+                    for (int i=0; !board.IsSolved && i<20; i++)
+                    {
+                        var hint=BoardHint.Find(board,definition); Assert.That(hint, Is.Not.Null);
+                        var result=hint.Kind==HintKind.Merge ? board.TryMerge(hint.FirstGroupId,hint.SecondGroupId)
+                            : board.TrySplit(hint.FirstGroupId,hint.BallIds,"split-"+i);
+                        Assert.That(result.Accepted, Is.True);
+                    }
+                    Assert.That(board.IsSolved, Is.True, $"{definition.Id}: {string.Join(",",sizes)}");
+                }
+        }
+        private static System.Collections.Generic.IEnumerable<int[]> Partitions(int total,int minimum)
+        {
+            if (total==0) { yield return Array.Empty<int>(); yield break; }
+            for (int first=minimum; first<=total; first++)
+                foreach (var rest in Partitions(total-first,first)) yield return new[] {first}.Concat(rest).ToArray();
+        }
+        [Test] public void CountingHelpRejoinsCollectedSplitBeforeFindingOtherFriendsThenCountsOnlyUncountedId()
+        {
+            var definition=new StageDefinition(4,StageKind.Counting,new[] {1,1,1,1},new[] {4}); var board=new BoardRules(definition);
+            board.TryMerge(board.Groups[0].id,board.Groups[1].id); var collected=board.Groups.First(group=>group.ballIds.Length==2);
+            board.TrySplit(collected.id,new[] {collected.ballIds[0]},"resplit");
+            var hint=BoardHint.Find(board,definition); Assert.That(hint.Kind, Is.EqualTo(HintKind.Merge));
+            Assert.That(hint.BallIds.All(board.CollectedBallIds.Contains), Is.True); board.TryMerge(hint.FirstGroupId,hint.SecondGroupId);
+            Assert.That(BoardHint.Find(board,definition).Kind, Is.EqualTo(HintKind.Collect));
+            foreach (var group in board.Groups) board.TryMoveGroup(group.id,new Position3(.1f,0,0));
+            while (board.Groups.Length>1) board.TryMerge(board.Groups[0].id,board.Groups[1].id);
+            board.TryCount(board.Balls[0].id); hint=BoardHint.Find(board,definition);
+            Assert.That(hint.Kind, Is.EqualTo(HintKind.Count)); Assert.That(board.CountedBallIds, Does.Not.Contain(hint.BallIds[0]));
+            Assert.That(board.TryCount(hint.BallIds[0]).Accepted, Is.True);
+        }
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: f65031cb242c4e746b894204a7e7c4a1
@@ -0,0 +1,39 @@
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using MagnetismHeroes.UnityRuntime.Presentation;
+using NUnit.Framework;
+using UnityEditor;
+using UnityEngine;
+
+namespace MagnetismHeroes.Tests
+{
+    public sealed class ContentVoiceTests
+    {
+        [Test] public void EveryLiveHelpPairAndBothActualGhostScriptsHaveOfflinePcmClips()
+        {
+            var prefab=AssetDatabase.LoadAssetAtPath<GameObject>("Assets/MagnetismHeroes/UnityRuntime/Presentation/Prefabs/GameApp.prefab");
+            var clips=new SerializedObject(prefab.GetComponent<VoicePlayer>()).FindProperty("_clips");
+            var ids=Enumerable.Range(0,clips.arraySize).Select(i=>clips.GetArrayElementAtIndex(i).FindPropertyRelative("id").stringValue).ToArray();
+            Assert.That(ids.Length, Is.EqualTo(44)); Assert.That(ids.Distinct().Count(), Is.EqualTo(44));
+            foreach (string id in new[] {"guide_find","guide_uncounted","demo_merge6","demo_split10"}.Concat(
+                Enumerable.Range(2,9).SelectMany(size=>Enumerable.Range(1,size/2).Select(count=>$"guide_split_{size}_{count}"))))
+            {
+                Assert.That(ids, Does.Contain(id));
+                int index=System.Array.IndexOf(ids,id); var clip=(AudioClip)clips.GetArrayElementAtIndex(index).FindPropertyRelative("clip").objectReferenceValue;
+                Assert.That(clip, Is.Not.Null,id); Assert.That(clip.frequency, Is.EqualTo(44100)); Assert.That(clip.channels, Is.EqualTo(1)); Assert.That(clip.samples, Is.GreaterThan(0));
+                var importer=(AudioImporter)AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(clip));
+                Assert.That(importer.defaultSampleSettings.compressionFormat, Is.EqualTo(AudioCompressionFormat.PCM));
+                Assert.That(importer.defaultSampleSettings.loadType, Is.EqualTo(AudioClipLoadType.DecompressOnLoad));
+            }
+            Assert.That(ids.Count(id=>id.StartsWith("guide_split_")), Is.EqualTo(25));
+        }
+        [TestCase("count_01","13A882CE1620140D447635E14F2D4758045D5E348960C17386DF1C720050C100")]
+        [TestCase("guide_collect","62E15C9E38C36F4094A6C7E9C5148510141290B5F41DB5AAD9DC1D8F1A158594")]
+        [TestCase("guide_count","DEBE29B89F3E2856F2BF4C5E01707A5F0A0657E5768C03BE385EC88FA2328B40")]
+        public void UserApprovedVoiceBytesRemainExact(string id,string hash)
+        {
+            using (var sha=SHA256.Create()) Assert.That(System.BitConverter.ToString(sha.ComputeHash(File.ReadAllBytes($"Assets/MagnetismHeroes/UnityRuntime/Presentation/Audio/Voice/{id}.wav"))).Replace("-",""), Is.EqualTo(hash));
+        }
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: f2e9d6608639d744397aad7855886e4b
@@ -0,0 +1,159 @@
+#if UNITY_EDITOR
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using MagnetismHeroes.Core;
+using MagnetismHeroes.UnityRuntime.Bootstrap;
+using MagnetismHeroes.UnityRuntime.Presentation;
+using NUnit.Framework;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.TestTools;
+
+namespace MagnetismHeroes.Tests
+{
+    public sealed class ContentPlayTests
+    {
+        private sealed class Store : IProgressStore
+        {
+            public ProgressSave Saved = new ProgressSave { completedStageIds=Enumerable.Range(1,30).ToArray() };
+            public bool TryLoad(out ProgressSave save,out string error) { save=Saved; error=null; return true; }
+            public bool TrySave(ProgressSave save,out string error) { Saved=save; error=null; return true; }
+        }
+        private GameApp _app;
+        private Store _store;
+        private string _evidence;
+        [System.Serializable] private sealed class CaptureRecord
+        {
+            public int stageId;
+            public string theme;
+            public CameraState camera;
+            public int width=1280, height=720;
+            public string method="Camera.Render to 1280x720 RenderTexture; temporary ScreenSpaceCamera Canvas; RGB24 ReadPixels PNG; restores render mode/target";
+        }
+        private void Capture(string filename)
+        {
+            var camera=_app.Presenter.Camera; var canvas=_app.GetComponentInChildren<Canvas>();
+            var texture=RenderTexture.GetTemporary(1280,720,24); var prior=RenderTexture.active;
+            var renderMode=canvas.renderMode; var oldCamera=canvas.worldCamera; var oldTarget=camera.targetTexture;
+            canvas.renderMode=RenderMode.ScreenSpaceCamera; canvas.worldCamera=camera; canvas.planeDistance=1;
+            camera.targetTexture=texture; Canvas.ForceUpdateCanvases(); camera.Render(); RenderTexture.active=texture;
+            var image=new Texture2D(1280,720,TextureFormat.RGB24,false); image.ReadPixels(new Rect(0,0,1280,720),0,0); image.Apply();
+            File.WriteAllBytes(Path.Combine(_evidence,filename),image.EncodeToPNG()); Object.Destroy(image);
+            File.WriteAllText(Path.Combine(_evidence,filename+".camera.json"),JsonUtility.ToJson(new CaptureRecord {stageId=_app.Session.Board.StageId,theme=_app.Environment.Theme,camera=_app.Orbit.Snapshot()},true));
+            camera.targetTexture=oldTarget; canvas.renderMode=renderMode; canvas.worldCamera=oldCamera; RenderTexture.active=prior; RenderTexture.ReleaseTemporary(texture);
+            Canvas.ForceUpdateCanvases();
+        }
+        [UnitySetUp] public IEnumerator SetUp()
+        {
+            foreach (var listener in Object.FindObjectsByType<AudioListener>(FindObjectsSortMode.None)) listener.enabled=false;
+            foreach (var camera in Object.FindObjectsByType<Camera>(FindObjectsSortMode.None)) camera.enabled=false;
+            _app=Object.Instantiate(AssetDatabase.LoadAssetAtPath<GameObject>("Assets/MagnetismHeroes/UnityRuntime/Presentation/Prefabs/GameApp.prefab")).GetComponent<GameApp>();
+            _store=new Store(); _app.Initialize(_store);
+            _evidence=Path.GetFullPath("artifacts/verification/Content/editor-play"); Directory.CreateDirectory(_evidence);
+            yield return null;
+        }
+        [UnityTearDown] public IEnumerator TearDown() { Object.Destroy(_app.gameObject); yield return null; }
+        [UnityTest] public IEnumerator EveryCountingBallCanBeFoundPickedAndDirectlyDraggedAfterOrbit()
+        {
+            var proof=new List<string>();
+            foreach (int stage in new[] {1,2,3,4,5,16,17,18,19,20})
+            {
+                _app.StartStage(stage); yield return null; Physics.SyncTransforms(); Capture($"counting-{stage:D2}-default.png");
+                foreach (string id in _app.Session.Board.Balls.Select(ball=>ball.id).ToArray())
+                {
+                    bool moved=false;
+                    for (int pitch=-45; pitch<=45 && !moved; pitch+=15)
+                        for (int yaw=0; yaw<360 && !moved; yaw+=30)
+                        {
+                            var rotation=Quaternion.Euler(pitch,yaw,0);
+                            _app.Orbit.Apply(new CameraState { target=new Position3(0,.6f,0),distance=11,rotation=new Rotation4(rotation.x,rotation.y,rotation.z,rotation.w) });
+                            var camera=_app.Presenter.Camera; var view=_app.Presenter.Balls[id]; var point=(Vector2)camera.WorldToScreenPoint(view.transform.position);
+                            var viewport=camera.WorldToViewportPoint(view.transform.position);
+                            if (viewport.z<=0 || viewport.x<.1f || viewport.x>.9f || viewport.y<.25f || viewport.y>.82f) continue;
+                            if (!Physics.Raycast(camera.ScreenPointToRay(point),out var hit,100) || hit.collider.GetComponent<BallView>()!=view) continue;
+                            var before=_app.Session.Board.Balls.First(ball=>ball.id==id).position;
+                            foreach (var offset in new[] {new Vector2(0,35),new Vector2(35,0),new Vector2(-35,0),new Vector2(0,-35)})
+                            {
+                                _app.Input.Begin(point,false); _app.Input.Move(point+offset); _app.Input.End(point+offset);
+                                var after=_app.Session.Board.Balls.First(ball=>ball.id==id).position;
+                                if (after.x==before.x && after.y==before.y && after.z==before.z) continue;
+                                Assert.That(_app.Session.Board.CollectedBallIds, Does.Contain(id));
+                                proof.Add($"stage={stage} id={id} yaw={yaw} pitch={pitch} pick={hit.collider.name} direct-drag={offset}");
+                                Capture($"found-{id}.png"); moved=true; break;
+                            }
+                        }
+                    Assert.That(moved, Is.True,$"Stage {stage} ball {id} has a discoverable and draggable view.");
+                }
+                File.WriteAllLines(Path.Combine(_evidence,"counting-discovery.txt"),proof);
+                Capture($"counting-{stage:D2}.png"); yield return null;
+            }
+            Assert.That(proof.Count, Is.EqualTo(55));
+        }
+        [UnityTest] public IEnumerator FirstSixAndTenGhostsPreserveRealBoardAndNeverRepeatOnReentry()
+        {
+            foreach (int stage in new[] {6,10})
+            {
+                _app.StartStage(stage); yield return null;
+                Assert.That(_app.Demonstration.IsShowing, Is.True);
+                var board=JsonUtility.ToJson(_app.Session.Board.ToPuzzleState(_app.Session.Camera));
+                var completed=_app.Session.CompletedStageIds;
+                yield return new WaitForSecondsRealtime(1.3f);
+                Capture($"ghost-{stage:D2}-selected.png"); yield return null;
+                yield return new WaitForSecondsRealtime(1.7f);
+                Capture($"ghost-{stage:D2}-moved.png"); yield return null;
+                Assert.That(JsonUtility.ToJson(_app.Session.Board.ToPuzzleState(_app.Session.Camera)), Is.EqualTo(board));
+                Assert.That(_app.Session.CompletedStageIds, Is.EqualTo(completed));
+                _app.ShowHome(); _app.StartStage(stage); Assert.That(_app.Demonstration.IsShowing, Is.False);
+                Assert.That(_app.Session.HasSeenTutorial(stage==6 ? "merge" : "split"), Is.True);
+            }
+        }
+        [UnityTest] public IEnumerator EveryThemeSuppliesZeroThroughTenAndRestoresSameSceneryAfterSuccess()
+        {
+            foreach (int stage in new[] {1,16,21})
+            {
+                _app.StartStage(stage); yield return null;
+                string theme=_app.Environment.Theme;
+                for (int step=0; _app.Session.Screen==SessionScreen.Puzzle && step<40; step++)
+                {
+                    var hint=_app.Session.Hint;
+                    if (hint.Kind==HintKind.Collect) _app.CommitMove(hint.FirstGroupId,new Position3(.1f,0,0));
+                    else if (hint.Kind==HintKind.Merge) _app.CommitMove(hint.FirstGroupId,new Position3(.1f,0,0),hint.SecondGroupId);
+                    else if (hint.Kind==HintKind.Count) _app.CountBall(hint.BallIds[0]);
+                    else _app.CommitSplit(hint.FirstGroupId,hint.BallIds,new Position3(1,0,0));
+                }
+                Assert.That(_app.Session.Screen, Is.EqualTo(SessionScreen.FreePlay)); Assert.That(_app.Environment.Theme, Is.EqualTo(theme));
+                foreach (var group in _app.Session.Board.Groups) Assert.That(_app.Session.ReturnGroup(group.id).Accepted, Is.True);
+                _app.ContinueFreePlay(); yield return null;
+                for (int total=0; total<10; total++)
+                {
+                    bool found=false;
+                    for (int yaw=0; yaw<360 && !found; yaw+=30)
+                    {
+                        var rotation=Quaternion.Euler(-10,yaw,0); _app.Orbit.Apply(new CameraState {target=new Position3(0,.6f,0),distance=11,rotation=new Rotation4(rotation.x,rotation.y,rotation.z,rotation.w)});
+                        if (_app.Presenter.TryFindSpawnPosition(out _)) { _app.SpawnFriend(); found=true; }
+                    }
+                    Assert.That(found, Is.True,$"Theme {theme}, supply {total+1}");
+                    Assert.That(_app.Session.Board.BallCount, Is.EqualTo(total+1)); yield return null;
+                }
+                _app.SpawnFriend(); Assert.That(_app.Session.Board.BallCount, Is.EqualTo(10));
+                _app.Session.CommitCamera(_app.Orbit.Snapshot()); _app.ShowHome(); _app.ContinueFreePlay(); yield return null;
+                Assert.That(_app.Environment.Theme, Is.EqualTo(theme)); Assert.That(_app.Session.Board.StageId, Is.EqualTo(stage));
+                Capture($"theme-{theme}-free10.png"); yield return null;
+            }
+        }
+        [UnityTest] public IEnumerator MeshArchReallyHasAnOpenGapAndHelpHighlightsOnlyCurrentIdsWithoutExecuting()
+        {
+            _app.StartStage(14); yield return null; Physics.SyncTransforms();
+            var arch=_app.Environment.GetComponentsInChildren<MeshCollider>().First(collider=>collider.sharedMesh.name.Contains("BlockArch"));
+            var local=new Ray(new Vector3(0,1,-3),Vector3.forward);
+            Assert.That(arch.Raycast(new Ray(arch.transform.parent.TransformPoint(local.origin),Vector3.forward),out _,6), Is.False,"No box collider can close the Blender arch gap.");
+            var before=JsonUtility.ToJson(_store.Saved); var hint=_app.Session.Hint; _app.ShowHelp();
+            Assert.That(JsonUtility.ToJson(_store.Saved), Is.EqualTo(before));
+            Assert.That(_app.Presenter.Balls.Values.Where(ball=>ball.Hinted).Select(ball=>ball.BallId), Is.EquivalentTo(hint.BallIds));
+            Assert.That(_app.Voice.CurrentClipId, Is.EqualTo(hint.VoiceId));
+        }
+    }
+}
+#endif
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 781a56d13cd91d54c8e742b2da8ce4f6
@@ -37,11 +37,18 @@ namespace MagnetismHeroes.UnityRuntime.Bootstrap
        [SerializeField] private OrbitCamera _orbit;
        [SerializeField] private BoardInput _input;
        [SerializeField] private VoicePlayer _voice;
+        [SerializeField] private UnityEngine.UI.Button[] _stageButtons = Array.Empty<UnityEngine.UI.Button>();
+        [SerializeField] private UnityEngine.UI.Button _helpButton;
+        [SerializeField] private UnityEngine.UI.Button _nextButton;
+        [SerializeField] private BoardEnvironment _environment;
+        [SerializeField] private GhostDemonstration _demonstration;
        public GameSession Session { get; private set; }
        public BoardPresenter Presenter => _presenter;
        public BoardInput Input => _input;
        public OrbitCamera Orbit => _orbit;
        public VoicePlayer Voice => _voice;
+        public BoardEnvironment Environment => _environment;
+        public GhostDemonstration Demonstration => _demonstration;
        public string Instruction => _instruction.text;
        public string Counter => _counter.text;

@@ -49,13 +56,20 @@ namespace MagnetismHeroes.UnityRuntime.Bootstrap
        {
            _playButton.onClick.AddListener(ShowSelection);
            _continueButton.onClick.AddListener(ContinueFreePlay);
-            _stageOneButton.onClick.AddListener(() => StartStage(1));
-            if (_stageTwoButton != null) _stageTwoButton.onClick.AddListener(() => StartStage(2));
+            if (_stageButtons.Length == 0)
+            {
+                _stageOneButton.onClick.AddListener(() => StartStage(1));
+                if (_stageTwoButton != null) _stageTwoButton.onClick.AddListener(() => StartStage(2));
+            }
+            for (int index = 0; index < _stageButtons.Length; index++)
+            { int stageId = _stages[index].StageId; _stageButtons[index].onClick.AddListener(() => StartStage(stageId)); }
+            if (_helpButton != null) _helpButton.onClick.AddListener(ShowHelp);
+            if (_nextButton != null) _nextButton.onClick.AddListener(StartNextStage);
            if (_spawnButton != null) _spawnButton.onClick.AddListener(SpawnFriend);
            if (_returnButton != null) _returnButton.onClick.AddListener(ReturnSelectedFriend);
            _homeButton.onClick.AddListener(ShowHome);
            _selectionHomeButton.onClick.AddListener(ShowHome);
-            for (int index = 0; index < _compositionButtons.Length; index++)
+            for (int index = 0; _stageButtons.Length == 0 && index < _compositionButtons.Length; index++)
            { int stageId = _stages.Where(stage => stage.ToDefinition().Kind == StageKind.Composition).ElementAt(index).StageId; _compositionButtons[index].onClick.AddListener(() => StartStage(stageId)); }
            if (_splitButton != null) _splitButton.onClick.AddListener(() => { _input.BeginSplit(); if (_input.IsSplitting) _voice.Guide("guide_split"); });
            if (_cancelSplitButton != null) _cancelSplitButton.onClick.AddListener(() => { _input.CancelSplit(); _voice.CancelGuide(); });
@@ -93,20 +107,35 @@ namespace MagnetismHeroes.UnityRuntime.Bootstrap
            if (Session.ReturnGroup(groupId).Accepted) Refresh(false);
        }
        public void ShowSelection()
-        { _input.CancelSplit(); _voice.Clear(); Session.ShowSelection(); Refresh(true); }
+        { _input.CancelSplit(); _voice.Clear(); _demonstration?.Hide(); Session.ShowSelection(); Refresh(true); }
        public void ShowHome()
-        { _input.CancelSplit(); _voice.Clear(); Session.ShowHome(); Refresh(true); }
+        { _input.CancelSplit(); _voice.Clear(); _demonstration?.Hide(); Session.ShowHome(); Refresh(true); }
        public void StartStage(int id)
        {
-            _input.CancelSplit(); _voice.Clear(); bool restored = Session.HasUnfinishedStage(id);
+            _input.CancelSplit(); _voice.Clear(); _demonstration?.Hide(); bool restored = Session.HasUnfinishedStage(id);
            if (!Session.StartStage(id)) return;
            Refresh(true);
+            string tutorial = id == 6 ? "merge" : id == 10 ? "split" : null;
+            if (tutorial != null && !Session.HasSeenTutorial(tutorial) && _demonstration != null)
+            { Session.MarkTutorialSeen(tutorial); _demonstration.Show(id == 10); _voice.Guide(id == 6 ? "demo_merge6" : "demo_split10"); return; }
            // Restoring never replays historical count/celebration clips.
            if (Session.Board.Mode == BoardMode.Counting && Session.Board.CollectedBallIds.Length == 0) _voice.Guide("guide_collect");
            else if (!restored) _voice.Guide(id == 10 ? "guide_split" : "guide_merge");
        }
        public void ContinueFreePlay()
-        { _input.CancelSplit(); _voice.Clear(); if (Session.ContinueFreePlay()) Refresh(true); }
+        { _input.CancelSplit(); _voice.Clear(); _demonstration?.Hide(); if (Session.ContinueFreePlay()) Refresh(true); }
+        public void StartNextStage()
+        { if (Session.HasNextStage) StartStage(Session.Board.StageId + 1); }
+        public void ShowHelp()
+        {
+            var hint = Session.Hint; if (hint == null) return;
+            _voice.CancelGuide();
+            _instruction.text = hint.Kind == HintKind.Collect ? "이 친구를 찾아 끌어와 볼까?"
+                : hint.Kind == HintKind.Count ? "아직 세지 않은 이 구를 눌러 볼까?"
+                : hint.Kind == HintKind.Merge ? "빛나는 두 친구를 가까이 끌어와 붙여 볼까?"
+                : $"빛나는 {hint.GroupSize} 친구에서 나누기를 누르고 {hint.SelectionCount}개를 골라 끌어내 보자.";
+            _presenter.ShowHint(hint.BallIds); _voice.Guide(hint.VoiceId);
+        }
        public void CommitMove(string groupId, Position3 delta, string mergeTarget = null)
        {
            var result = mergeTarget == null ? Session.MoveGroup(groupId, delta) : Session.MoveAndMerge(groupId, delta, mergeTarget);
@@ -142,12 +171,22 @@ namespace MagnetismHeroes.UnityRuntime.Bootstrap
            _playPanel.SetActive(playing); _world.SetActive(playing);
            _continueButton.gameObject.SetActive(Session.HasFreePlay);
            if (_stageTwoButton != null) _stageTwoButton.interactable = Session.IsUnlocked(2);
-            for (int index = 0; index < _compositionButtons.Length; index++) _compositionButtons[index].interactable = Session.IsUnlocked(_stages.Where(stage => stage.ToDefinition().Kind == StageKind.Composition).ElementAt(index).StageId);
+            for (int index = 0; index < _stageButtons.Length; index++)
+            {
+                int id = _stages[index].StageId; bool unlocked = Session.IsUnlocked(id);
+                _stageButtons[index].interactable = unlocked;
+                string state = !unlocked ? "잠금" : Session.HasUnfinishedStage(id) ? "이어하기" : Session.CompletedStageIds.Contains(id) ? "완료" : "시작";
+                _stageButtons[index].GetComponentInChildren<TMP_Text>().text = $"{id} · {state}";
+            }
+            for (int index = 0; _stageButtons.Length == 0 && index < _compositionButtons.Length; index++) _compositionButtons[index].interactable = Session.IsUnlocked(_stages.Where(stage => stage.ToDefinition().Kind == StageKind.Composition).ElementAt(index).StageId);
            if (_spawnButton != null) { _spawnButton.gameObject.SetActive(screen == SessionScreen.FreePlay); _spawnButton.interactable = Session.Board != null && Session.Board.BallCount < 10; }
            if (_returnButton != null) _returnButton.gameObject.SetActive(screen == SessionScreen.FreePlay);
+            if (_helpButton != null) _helpButton.gameObject.SetActive(screen == SessionScreen.Puzzle);
+            if (_nextButton != null) _nextButton.gameObject.SetActive(Session.HasNextStage);
            if (applyCamera) _orbit.Apply(Session.Camera);
            _presenter.Render(Session.Board);
            if (!playing) return;
+            _environment?.Apply(_stages.First(stage => stage.StageId == Session.Board.StageId));
            _stageTitle.text = screen == SessionScreen.FreePlay ? "자유 놀이터" : $"숫자 {Session.Board.BallCount} 친구 찾기";
            _counter.text = screen == SessionScreen.FreePlay ? $"친구 {Session.Board.BallCount}" : $"센 친구 {Session.Board.CountedCount} / {Session.Board.BallCount}";
            _instruction.text = screen == SessionScreen.FreePlay ? "해냈어! 친구와 자유롭게 놀아 보자."
@@ -175,7 +214,7 @@ namespace MagnetismHeroes.UnityRuntime.Bootstrap
            _presenter.ShowSelection(_input.SelectedIds);
        }
        private void OnApplicationPause(bool paused)
-        { if (paused && Session != null) { _input.CancelSplit(); _voice.Clear(); Session.SaveCurrent(); } }
+        { if (paused && Session != null) { _input.CancelSplit(); _voice.Clear(); _demonstration?.Hide(); Session.SaveCurrent(); } }
        private void OnApplicationQuit() { if (Session != null) { _input.Cancel(); Session.SaveCurrent(); } }
    }
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@@ -11,6 +11,7 @@ namespace MagnetismHeroes.UnityRuntime.Presentation
        private float _encourageUntil;
        public bool Selected { get; set; }
        public bool ContactCandidate { get; set; }
+        public bool Hinted { get; set; }
        public string BallId { get; private set; }
        public string GroupId { get; private set; }
        public void Bind(string ballId, string groupId, bool counted)
@@ -20,7 +21,7 @@ namespace MagnetismHeroes.UnityRuntime.Presentation
        private void Update()
        {
            float glow = Mathf.Clamp01((_encourageUntil - Time.unscaledTime) / 0.35f);
-            var color = Selected ? new Color(1, 0.78f, 0.2f) : ContactCandidate ? new Color(0.5f, 1, 0.7f) : _normalColor;
+            var color = Selected ? new Color(1, 0.78f, 0.2f) : ContactCandidate ? new Color(0.5f, 1, 0.7f) : Hinted ? Color.Lerp(_normalColor, Color.white, .5f + .3f * Mathf.Sin(Time.unscaledTime * 4)) : _normalColor;
            _colors.SetColor("_BaseColor", Color.Lerp(color, Color.white, glow * 0.7f)); _body.SetPropertyBlock(_colors);
        }
    }
@@ -0,0 +1,25 @@
+using MagnetismHeroes.UnityRuntime.StageAssets;
+using UnityEngine;
+
+namespace MagnetismHeroes.UnityRuntime.Presentation
+{
+    public sealed class BoardEnvironment : MonoBehaviour
+    {
+        private int _stageId;
+        public string Theme { get; private set; }
+        public void Apply(StageAsset stage)
+        {
+            if (_stageId == stage.StageId) return;
+            foreach (Transform child in transform) { child.gameObject.SetActive(false); Destroy(child.gameObject); }
+            foreach (var placement in stage.Decorations)
+            {
+                if (placement.prefab.name == "Island" && transform.parent.Find("PlaygroundIsland") != null) continue;
+                var prop = Instantiate(placement.prefab, transform);
+                prop.transform.localPosition = placement.position;
+                prop.transform.localRotation = Quaternion.Euler(placement.eulerAngles);
+                prop.transform.localScale = placement.scale;
+            }
+            _stageId = stage.StageId; Theme = stage.Theme;
+        }
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: c76b84d0084f787458ed6a2d3cff26cf
@@ -88,6 +88,8 @@ namespace MagnetismHeroes.UnityRuntime.Presentation

        public void ShowSelection(IReadOnlyCollection<string> selected)
        { foreach (var ball in _balls.Values) ball.Selected = selected.Contains(ball.BallId); }
+        public void ShowHint(IReadOnlyCollection<string> ids)
+        { foreach (var ball in _balls.Values) ball.Hinted = ids.Contains(ball.BallId); }

        public void CancelPreview()
        {
@@ -0,0 +1,32 @@
+using UnityEngine;
+
+namespace MagnetismHeroes.UnityRuntime.Presentation
+{
+    // UI-only silhouettes: no board IDs, colliders, rules, input, or progress mutations.
+    public sealed class GhostDemonstration : MonoBehaviour
+    {
+        [SerializeField] private RectTransform _first;
+        [SerializeField] private RectTransform _second;
+        [SerializeField] private TMPro.TMP_Text _caption;
+        private float _started;
+        private bool _split;
+        public bool IsShowing => gameObject.activeSelf;
+        public void Show(bool split)
+        {
+            _split = split; _started = Time.unscaledTime; gameObject.SetActive(true);
+            _caption.text = split ? "나누기 → 하나 선택 → 끌어내기" : "친구를 끌어와 붙여 보자";
+            Update();
+        }
+        public void Hide() => gameObject.SetActive(false);
+        private void Update()
+        {
+            float elapsed = Time.unscaledTime - _started;
+            if (elapsed > 5) { Hide(); return; }
+            float travel = Mathf.SmoothStep(0, 1, Mathf.Clamp01((elapsed - (_split ? 2 : .5f)) / 1.5f));
+            _first.anchoredPosition = new Vector2(_split ? -28 : Mathf.Lerp(-95, -28, travel), 10);
+            _second.anchoredPosition = new Vector2(_split ? Mathf.Lerp(28, 100, travel) : 28, 10);
+            _first.GetComponent<UnityEngine.UI.Image>().color = new Color(.55f, .85f, 1, .8f);
+            _second.GetComponent<UnityEngine.UI.Image>().color = _split && elapsed > 1 ? new Color(1, .78f, .2f, .85f) : new Color(.55f, .85f, 1, .8f);
+        }
+    }
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--- a/Show More
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