fix(client): restore retail interaction parity

Harden keyboard and camera routing, inventory and vendor interactions, chat/emotes, relog portal flow, and paperdoll rendering. Add retail research, connected gate coverage, and release-gate validation.

tests/AcDream.App.Tests/UI/Layout/InventoryControllerTests.cs

@@ -494,6 +494,28 @@ public class InventoryControllerTests
         Assert.True(containers.GetItem(0)!.Selected);          // square — the bag is also the selected item
     }
 
+    [Fact]
+    public void DoubleClickOwnedBag_opensOnceOnFirstPress_andNeverRunsGenericUse()
+    {
+        var (layout, _, containers, _, _, _, _, _) = BuildLayout();
+        var objects = new ClientObjectTable();
+        SeedBag(objects, 0xCu, slot: 0);
+        var uses = new List<uint>();
+        Bind(layout, objects, uses: uses);
+
+        UiItemSlot bag = containers.GetItem(0)!;
+        bag.OnEvent(new UiEvent(0u, bag, UiEventType.MouseDown));
+        bag.OnEvent(new UiEvent(0u, bag, UiEventType.Click));
+        bag.OnEvent(new UiEvent(0u, bag, UiEventType.MouseDown));
+        bag.OnEvent(new UiEvent(0u, bag, UiEventType.Click));
+        bag.OnEvent(new UiEvent(0u, bag, UiEventType.DoubleClick));
+
+        Assert.Equal(new[] { 0xCu }, uses);
+        Assert.Null(bag.DoubleClicked);
+        Assert.True(containers.GetItem(0)!.IsOpenContainer);
+        Assert.Equal(0xCu, objects.Get(0xCu)!.ObjectId);
+    }
+
     [Fact]
     public void MouseDownGridItem_movesSquareImmediately_noWire_keepsOpenContainer()
     {
@@ -684,7 +706,7 @@ public class InventoryControllerTests
         Workmanship: null);
 
     [Fact]
-    public void Drop_onOccupiedGridCell_insertsBefore_andMovesLocally()
+    public void Drop_onOccupiedGridCell_insertsBefore_andWaitsForServer()
     {
         var (layout, grid, _, _, _, _, _, _) = BuildLayout();
         var objects = new ClientObjectTable();
@@ -699,7 +721,7 @@ public class InventoryControllerTests
         ((IItemListDragHandler)ctrl).HandleDropRelease(grid, bCell, Payload(0xFFFFu));
 
         Assert.Contains((0xFFFFu, Player, 1), puts);              // insert-before slot 1, into the open container
-        Assert.Equal(Player, objects.Get(0xFFFFu)!.ContainerId);  // moved locally (instant)
+        Assert.Equal(0u, objects.Get(0xFFFFu)!.ContainerId);
     }
 
     [Fact]
@@ -1316,11 +1338,12 @@ public class InventoryControllerTests
             StackSizeMax = 100,
         });
         objects.MoveItem(0xAu, Player, 0);
+        SeedBag(objects, 0xCu, slot: 1);
         var selection = new SelectionState();
         selection.Select(0xAu, SelectionChangeSource.Inventory);
         var splitQuantity = new StackSplitQuantityState();
         splitQuantity.Reset(10u);
-        splitQuantity.SetValue(1u);
+        splitQuantity.SetValue(2u);
         var splits = new List<(uint item, uint container, uint placement, uint amount)>();
         var puts = new List<(uint item, uint container, int placement)>();
         var ctrl = Bind(layout, objects, puts: puts, splits: splits,
@@ -1328,7 +1351,9 @@ public class InventoryControllerTests
 
         ctrl.HandleDropRelease(grid, grid.GetItem(5)!, Payload(0xAu));
 
-        Assert.Equal(new[] { (0xAu, Player, 1u, 1u) }, splits);
+        // Placement counts the main pack's visible loose-item list only;
+        // side bags occupy the separate selector list and must not shift it.
+        Assert.Equal(new[] { (0xAu, Player, 1u, 2u) }, splits);
         Assert.Empty(puts);
         Assert.Equal(Player, objects.Get(0xAu)!.ContainerId);
         Assert.Equal(0, objects.Get(0xAu)!.ContainerSlot);
@@ -1464,7 +1489,7 @@ public class InventoryControllerTests
         ((IItemListDragHandler)ctrl).HandleDropRelease(containers, bagCell, Payload(0xFFFFu));
 
         Assert.Contains((0xFFFFu, 0xCu, 0), puts);                // into the bag, append (placement 0)
-        Assert.Equal(0xCu, objects.Get(0xFFFFu)!.ContainerId);
+        Assert.Equal(0u, objects.Get(0xFFFFu)!.ContainerId);
     }
 
     [Fact]
@@ -1483,6 +1508,34 @@ public class InventoryControllerTests
             ctrl.OnDragOver(grid, grid.GetItem(0)!, Payload(0xFFFFu)));               // grid → green
     }
 
+    [Fact]
+    public void MainPackFullness_countsLooseItems_notSideBags_afterAFreeSlotAppears()
+    {
+        var (layout, _, _, top, _, _, _, _) = BuildLayout();
+        var objects = new ClientObjectTable();
+        objects.AddOrUpdate(new ClientObject
+        {
+            ObjectId = Player,
+            Type = ItemType.Creature,
+            ItemsCapacity = 2,
+        });
+        SeedContained(objects, 0xA0u, Player, slot: 0);
+        SeedContained(objects, 0xA1u, Player, slot: 1);
+        SeedBag(objects, 0xC0u, slot: 0);
+        SeedContained(objects, 0xB0u, 0xC0u, slot: 0);
+        var controller = (IItemListDragHandler)Bind(layout, objects);
+        UiItemSlot mainPack = top.GetItem(0)!;
+
+        Assert.Equal(ItemDragAcceptance.Reject,
+            controller.OnDragOver(top, mainPack, Payload(0xB0u)));
+
+        Assert.True(objects.Remove(0xA1u));
+
+        Assert.Equal(ItemDragAcceptance.Accept,
+            controller.OnDragOver(top, top.GetItem(0)!, Payload(0xB0u)));
+        Assert.Equal(0.5f, top.GetItem(0)!.CapacityFill);
+    }
+
     [Fact]
     public void GroundPack_rejectsContentsGrid_butEmptyPackSlotAcceptsAndPicksUpAtThatSlot()
     {
@@ -1617,7 +1670,7 @@ public class InventoryControllerTests
     }
 
     [Fact]
-    public void Drop_thenServerRollback_revertsTheMove() // optimistic + InventoryServerSaveFailed snap-back
+    public void Drop_thenServerReject_keepsCanonicalPlacement()
     {
         var (layout, _, containers, _, _, _, _, _) = BuildLayout();
         var objects = new ClientObjectTable();
@@ -1626,11 +1679,10 @@ public class InventoryControllerTests
         var ctrl = Bind(layout, objects);
 
         ((IItemListDragHandler)ctrl).HandleDropRelease(containers, containers.GetItem(0)!, Payload(0xAu));
-        Assert.Equal(0xCu, objects.Get(0xAu)!.ContainerId);    // moved into the bag optimistically (instant)
-
-        objects.RollbackMove(0xAu);                            // server rejected (InventoryServerSaveFailed)
-        Assert.Equal(Player, objects.Get(0xAu)!.ContainerId);  // snapped back to the main pack
-        Assert.Equal(3, objects.Get(0xAu)!.ContainerSlot);     // and the original slot
+        Assert.Equal(Player, objects.Get(0xAu)!.ContainerId);
+        Assert.False(objects.RejectMove(0xAu, 0x426u));
+        Assert.Equal(Player, objects.Get(0xAu)!.ContainerId);
+        Assert.Equal(3, objects.Get(0xAu)!.ContainerSlot);
     }
 
     // Reads the text of the UiText caption child attached by the controller.