fix #211: index login-equipped items under player

Project PlayerDescription equipment through the same contained-by-wielder ownership and ordered contents index as live WieldObject updates. Preserve equip masks and priorities so retail GetObjectAtLocation selects Missile for an already-equipped crossbow instead of sending a server-rejected Melee request.

Co-Authored-By: Codex <codex@openai.com>

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

@@ -452,6 +452,61 @@ public sealed class GameEventWiringTests
         Assert.Equal(1u, items.Get(0x50000A02u)!.ContainerTypeHint);
     }
 
+    [Fact]
+    public void PlayerDescription_IndexesLoginEquipmentForDefaultCombatMode()
+    {
+        const uint playerGuid = 0x50000001u;
+        const uint packItemGuid = 0x50000A01u;
+        const uint crossbowGuid = 0x50000B01u;
+        var dispatcher = new GameEventDispatcher();
+        var items = new ClientObjectTable();
+        GameEventWiring.WireAll(
+            dispatcher,
+            items,
+            new CombatState(),
+            new Spellbook(),
+            new ChatLog(),
+            playerGuid: () => playerGuid);
+
+        var sb = new MemoryStream();
+        using var w = new BinaryWriter(sb);
+        w.Write(0u);     // propertyFlags
+        w.Write(0x52u);  // weenieType
+        w.Write(0x201u); // ATTRIBUTE | ENCHANTMENT
+        w.Write(1u);     // has_health
+        w.Write(0u);     // attribute_flags
+        w.Write(0u);     // enchantment_mask
+        w.Write(0u);     // option_flags
+        w.Write(0u);     // options1
+        w.Write(0u);     // legacy hotbar count
+        w.Write(0u);     // spellbook_filters
+        w.Write(1u);     // inventory count
+        w.Write(packItemGuid); w.Write(0u);
+        w.Write(1u);     // equipped count
+        w.Write(crossbowGuid);
+        w.Write((uint)EquipMask.MissileWeapon);
+        w.Write(7u);     // layering priority
+
+        var envelope = GameEventEnvelope.TryParse(
+            WrapEnvelope(GameEventType.PlayerDescription, sb.ToArray()));
+        dispatcher.Dispatch(envelope!.Value);
+
+        ClientObject crossbow = items.Get(crossbowGuid)!;
+        crossbow.Type = ItemType.MissileWeapon;
+        crossbow.CombatUse = 2;
+        var orderedPlayerContents = items.GetContents(playerGuid)
+            .Select(guid => items.Get(guid)!)
+            .ToList();
+
+        Assert.Equal(new[] { packItemGuid, crossbowGuid }, items.GetContents(playerGuid));
+        Assert.Equal(playerGuid, crossbow.ContainerId);
+        Assert.Equal(EquipMask.MissileWeapon, crossbow.CurrentlyEquippedLocation);
+        Assert.Equal(7u, crossbow.Priority);
+        Assert.Equal(
+            CombatMode.Missile,
+            CombatInputPlanner.GetDefaultCombatMode(orderedPlayerContents));
+    }
+
     [Fact]
     public void WireAll_QueryItemManaResponse_RoutesValidityToItemManaState()
     {