Add actual carts and shit

Upgrade UI to Level 6

Balls

Assets/Scripts/Meta/PlayerCollection.cs

@@ -10,10 +10,12 @@ namespace KernelPanic.Meta
     public sealed class PlayerCollection
     {
         private readonly List<DistroDefinition> ownedUnits = new();
+        private int featuredIndex;
 
         // TODO: Populate owned units from SaveService during bootstrap.
         // TODO: Add newly unlocked units from GachaService rewards when pulls exist.
         public IReadOnlyList<DistroDefinition> OwnedUnits => ownedUnits;
+        public DistroDefinition FeaturedUnit => ownedUnits.Count == 0 ? null : ownedUnits[Math.Clamp(featuredIndex, 0, ownedUnits.Count - 1)];
 
         public event Action Changed;
 
@@ -26,7 +28,18 @@ namespace KernelPanic.Meta
 
             // Persistence is wired by the owner so this domain class stays IO-free.
             ownedUnits.Add(unit);
+            featuredIndex = Math.Clamp(featuredIndex, 0, ownedUnits.Count - 1);
             Changed?.Invoke();
         }
+
+        public void SelectNextFeatured()
+        {
+            if (ownedUnits.Count < 2)
+            {
+                return;
+            }
+
+            featuredIndex = (featuredIndex + 1) % ownedUnits.Count;
+        }
     }
 }

Assets/Scripts/Meta/SaveService.cs

@@ -60,7 +60,7 @@ namespace KernelPanic.Meta
         public bool starterChosen;
         public List<string> ownedUnitIds = new();
         public List<string> bannerPoolIds = new();
-        public List<CardLoadoutSaveEntry> cardLoadouts = new();
+        public LastRunLoadoutSaveEntry lastRunLoadout = new();
 
         public static SaveData CreateDefault()
         {
@@ -71,24 +71,20 @@ namespace KernelPanic.Meta
         {
             ownedUnitIds ??= new List<string>();
             bannerPoolIds ??= new List<string>();
-            cardLoadouts ??= new List<CardLoadoutSaveEntry>();
-            for (int i = 0; i < cardLoadouts.Count; i++)
-            {
-                cardLoadouts[i] ??= new CardLoadoutSaveEntry();
-                cardLoadouts[i].EnsureLists();
-            }
+            lastRunLoadout ??= new LastRunLoadoutSaveEntry();
+            lastRunLoadout.EnsureLists();
         }
     }
 
     [Serializable]
-    public sealed class CardLoadoutSaveEntry
+    public sealed class LastRunLoadoutSaveEntry
     {
         public string distroId;
-        public List<string> equippedCardIds = new();
+        public List<string> cardIds = new();
 
         public void EnsureLists()
         {
-            equippedCardIds ??= new List<string>();
+            cardIds ??= new List<string>();
         }
     }
 }