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.

src/AcDream.App/Composition/LivePresentationComposition.cs

@@ -63,6 +63,7 @@ internal sealed record LivePresentationDependencies(
     CellVisibility CellVisibility,
     LiveWorldOriginState WorldOrigin,
     LocalPlayerIdentityState PlayerIdentity,
+    ChaseCameraInputState ChaseCameraInput,
     PointerPositionState PointerPosition,
     PlayerApproachCompletionState PlayerApproachCompletions,
     GameRenderResourceLifetime RenderResourceLifetime,
@@ -808,7 +809,12 @@ internal sealed class LivePresentationCompositionPhase
                 d.RetailAlphaQueue,
                 alphaScratchBudgets.DispatcherBytes,
                 foundation.TerrainAtlas?.BuildingDetailTexture ?? default,
-                () => d.Settings.DisplayPreview.BuildingDetailTextures),
+                () => d.Settings.DisplayPreview.BuildingDetailTextures,
+                serverGuid => serverGuid != 0u
+                    && serverGuid == d.PlayerIdentity.ServerGuid
+                        ? d.ChaseCameraInput.Retail?.PlayerTranslucency
+                            ?? (d.ChaseCameraInput.Legacy?.IsInHead == true ? 1f : 0f)
+                        : 0f),
             static value => value.Dispose());
         var selectionQuery = new WorldSelectionQuery(
             liveEntities,
@@ -845,7 +851,11 @@ internal sealed class LivePresentationCompositionPhase
             localEntityId =>
                 d.EffectPoses.TryGetRootPose(localEntityId, out Matrix4x4 childRoot)
                     ? childRoot
-                    : null);
+                    : null,
+            hasOpenedCorpse:
+                d.Runtime.InventoryOwner.ExternalContainers.HasCorpseBeenOpened,
+            combatMode: () => d.Runtime.ActionOwner.Combat.CurrentMode,
+            isFellow: guid => d.Runtime.Fellowship.TryGetMember(guid, out _));
         var radarSnapshotProvider = new RadarSnapshotProvider(
             d.EntityObjects.Objects,
             liveEntities,
@@ -876,7 +886,12 @@ internal sealed class LivePresentationCompositionPhase
                 () => d.PlayerController.Controller,
                 d.PlayerApproachCompletions),
             d.Toast,
-            d.PlayerApproachCompletions);
+            d.PlayerApproachCompletions,
+            splitStack: guid =>
+                interaction.RetainedUi?.Runtime.SelectedObjectController?
+                    .FocusSplitStackEntry(guid) ?? false,
+            fellowshipMembers: () =>
+                d.Runtime.Fellowship.GetMembers().Select(static member => member.Guid));
         selectionInteractionSource.Bind(selectionInteractions);
         bindings.Adopt(
             "world selection",