feat(net): #13 register PD trailer inventory+equipped in ItemRepository

After PlayerDescription is dispatched, the Inventory and Equipped lists
produced by the parser are now fed into ItemRepository via AddOrUpdate +
MoveItem so inventory/paperdoll panels see items after login.

Acceptance test PlayerDescription_RegistersInventoryEntries_InItemRepository
confirms ItemCount goes 0→2 for a synthetic PD with two inventory entries.
282 Net.Tests pass.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/AcDream.Core.Net.Tests/GameEventWiringTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Buffers.Binary;
+using System.IO;
 using System.Text;
 using AcDream.Core.Chat;
 using AcDream.Core.Combat;
@@ -328,4 +329,50 @@ public sealed class GameEventWiringTests
         Assert.Contains("Mana Stone", e.Text);
     }
 
+    [Fact]
+    public void PlayerDescription_RegistersInventoryEntries_InItemRepository()
+    {
+        // Issue #13 acceptance test: after a PlayerDescription with non-empty
+        // Inventory is dispatched through WireAll, ItemRepository.ItemCount > 0.
+        // Wire format: strict path (no GAMEPLAY_OPTIONS bit) so inventory +
+        // equipped follow directly after spellbook_filters.
+        var dispatcher = new GameEventDispatcher();
+        var items      = new ItemRepository();
+        var combat     = new CombatState();
+        var spellbook  = new Spellbook();
+        var chat       = new ChatLog();
+        GameEventWiring.WireAll(dispatcher, items, combat, spellbook, chat);
+
+        Assert.Equal(0, items.ItemCount); // pre-condition
+
+        var sb = new MemoryStream();
+        using var w = new BinaryWriter(sb);
+        w.Write(0u);     // propertyFlags = 0
+        w.Write(0x52u);  // weenieType
+        w.Write(0x201u); // vectorFlags = ATTRIBUTE | ENCHANTMENT
+        w.Write(1u);     // has_health
+        w.Write(0u);     // attribute_flags = 0 (no attrs)
+        w.Write(0u);     // enchantment_mask = 0
+
+        w.Write(0u);     // option_flags = None (no GAMEPLAY_OPTIONS → strict inv path)
+        w.Write(0u);     // options1
+        w.Write(0u);     // legacy hotbar list count = 0
+        w.Write(0u);     // spellbook_filters
+
+        // Inventory: 2 entries
+        w.Write(2u);
+        w.Write(0x50000A01u); w.Write(0u);  // guid, ContainerType=NonContainer
+        w.Write(0x50000A02u); w.Write(1u);  // guid, ContainerType=Container
+
+        // Equipped: 0 entries
+        w.Write(0u);
+
+        var env = GameEventEnvelope.TryParse(WrapEnvelope(GameEventType.PlayerDescription, sb.ToArray()));
+        dispatcher.Dispatch(env!.Value);
+
+        Assert.Equal(2, items.ItemCount);
+        Assert.NotNull(items.GetItem(0x50000A01u));
+        Assert.NotNull(items.GetItem(0x50000A02u));
+    }
+
 }