feat: Update appVersion to 2023.03.21 and enhance avatar-item linkage in store service

DorkNet.Server/Services/GameSessionService.cs

@@ -64,7 +64,12 @@ public class GameSessionService(DorkNetDbContext db)
             // in, so we save once with a placeholder, then patch and save
             // again. Two SaveChangesAsync calls is cheap at our QPS.
             PhotonRoomName = "pending",
-            MaxCapacity = 8,
+            // Track the room's "Max Player Count in This Subroom" slider
+            // instead of a hardcoded 8, so matchmade joiners fill the room to
+            // the host's chosen limit rather than fragmenting into a new
+            // instance every 8 players. (Existing sessions keep whatever cap
+            // they were created with.)
+            MaxCapacity = await ResolveRoomMaxCapacityAsync(effectiveRoom),
             PlayerCount = 1,
             CreatedAt = DateTime.UtcNow,
         };
@@ -75,6 +80,28 @@ public class GameSessionService(DorkNetDbContext db)
         return ToDto(session);
     }
 
+    // Default session cap when we can't resolve a room-specific value (system
+    // rooms like the dorm use a GUID roomId that doesn't map to a RoomEntity).
+    private const int DefaultMaxCapacity = 8;
+
+    /// <summary>Resolve a new session's capacity from the room's entry
+    /// subroom (lowest <c>OrderIndex</c>) <see cref="RoomSceneEntity.MaxPlayers"/>
+    /// — the value the in-game "Max Player Count in This Subroom" slider
+    /// writes. Matchmade sessions land in the entry subroom, so its cap is the
+    /// right ceiling. GameSession roomIds are the room's numeric Id as a
+    /// string for user rooms; non-numeric (dorm GUID, etc.) → default. Clamped
+    /// to a sane Photon ceiling.</summary>
+    private async Task<int> ResolveRoomMaxCapacityAsync(string roomId)
+    {
+        if (!long.TryParse(roomId, out var roomLongId)) return DefaultMaxCapacity;
+        var max = await db.RoomScenes
+            .Where(s => s.RoomId == roomLongId)
+            .OrderBy(s => s.OrderIndex)
+            .Select(s => (int?)s.MaxPlayers)
+            .FirstOrDefaultAsync();
+        return max is int v && v > 0 ? Math.Clamp(v, 1, 80) : DefaultMaxCapacity;
+    }
+
     public async Task<GameSession?> GetByIdAsync(long id)
     {
         var s = await db.GameSessions.AsNoTracking()

DorkNet.Server/Services/NotificationService.cs

@@ -297,7 +297,10 @@ public class NotificationService(
                 },
             // 2020.12 PlayerPresence.Deserialize requires these.
             ["isOnline"]         = redacted is not null,
-            ["appVersion"]       = 20201210,
+            // 2023.03.21 client build version ("20230317"); must match the
+            // joining client's own version or it reports a version mismatch.
+            // Stale 2020 value (20201210) carried over from the December branch.
+            ["appVersion"]       = 20230317,
         };
 
         var envelope = new System.Text.Json.Nodes.JsonObject

DorkNet.Server/Services/StoreService.cs

@@ -968,6 +968,15 @@ public class StoreService(DorkNetDbContext db, LevelService level, IConfiguratio
             Tooltip                   = i.Description,
             AvatarItemDesc            = avatarItemDesc,
             AvatarItemDescOrHairDyeDesc = avatarItemDesc,
+            // AvatarItemId is the field the 2023 client's StoreItemListModel
+            // actually reads (store-item +0x38) to resolve the card to a baked
+            // AvatarItem and read its OutfitType for tab placement — verified
+            // vs 2023 ISIL (EMBCEDNHFLB/CLIANCNHNIE, AvatarItem.GIJPCPDKHPO).
+            // AvatarItemDesc alone is NOT the join key, so clothing cards
+            // resolved to OutfitType=-1 and the Shop rendered empty. Ship the
+            // same {guid},,, descriptor (GIJPCPDKHPO accepts bare {guid} or the
+            // composite and falls back to parsing it to the immutable Guid).
+            AvatarItemId              = avatarItemDesc,
             AvatarItemType            = string.IsNullOrEmpty(avatarItemDesc) ? (int?)null : avatarItemType,
             ConsumableItemDesc        = consumableItemDesc,
             EquipmentPrefabName       = equipmentPrefabName,