Run Re-Do

Assets/_Project/Scripts/Simulation/Persistence/SaveData.cs

@@ -9,6 +9,18 @@ namespace ProjectM.Simulation
         public int ItemId;
         public int Count;
     }
+
+    /// <summary>One persisted per-class PERMANENT meta-upgrade tier (v6). ClassId = the normalized CharacterId
+    /// (Warrior=2/Ranger=3); UpgradeId = the append-only meta-catalog key (unknown ids round-trip preserved and are
+    /// skipped live); Tier clamps to the catalog's MaxTier at seed/shop/spend, never at rest.</summary>
+    [Serializable]
+    public struct MetaUpgradeSave
+    {
+        public byte ClassId;
+        public byte UpgradeId;
+        public byte Tier;
+    }
+
     /// <summary>
     /// One serialized player-built structure (M7). Flat scalars (JsonUtility has no int2). The production
     /// cooldown is stored as REMAINING ticks (epoch-independent) so it survives the server-tick origin reset on a
@@ -51,7 +63,7 @@ namespace ProjectM.Simulation
     [Serializable]
     public class SaveData
     {
-        public const int CurrentVersion = 5; // END-2: v5 adds RunOutcome (a won/lost run loads finished); v4 added CoreCurrent
+        public const int CurrentVersion = 6; // v6: permanent META (per-class upgrade tiers + run counters); v5 added RunOutcomeoreCurrent
 
         /// <summary>Oldest save schema the loader accepts (additive); a v2 save loads with structures at full HP.</summary>
         public const int MinLoadableVersion = 2;
@@ -62,6 +74,11 @@ namespace ProjectM.Simulation
         public int CoreCurrent; // END-1: Engine Core integrity at save time (0 from a pre-v4 save -> restored to baked Max)
         public int RunOutcome;  // END-2: 0=InProgress (also any pre-v5 save) / 1=Victory / 2=Loss -> a finished run loads finished
 
+        // v6 — permanent meta-progression (0/empty-defaults on any v<=5 save):
+        public int RunsCompleted;     // boss-cleared runs (the HUD counter + the HostSalt fold at restore)
+        public int MaxDepthReached;   // deepest room actually CLEARED across all runs (honest depth, never planned)
+        public MetaUpgradeSave[] MetaUpgrades = Array.Empty<MetaUpgradeSave>(); // sparse per-class tiers
+
         public LedgerRow[] Ledger = Array.Empty<LedgerRow>();
         public StructureSave[] Structures = Array.Empty<StructureSave>();
         public StructureIoRow[] StructureIo = Array.Empty<StructureIoRow>();