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/InteractionRetainedUiComposition.cs

@@ -96,7 +96,8 @@ internal sealed record InteractionRetainedUiDependencies(
     Func<AcDream.Core.World.DerethDateTime.Calendar> CurrentCalendar,
     AcDream.App.Rendering.Packs.RenderPackCatalogSource? RenderPackCatalog = null,
     Func<AcDream.App.Rendering.Packs.RenderPackDiagnosticsSnapshot>?
-        RenderPackDiagnostics = null)
+        RenderPackDiagnostics = null,
+    string? ScreenshotsDirectory = null)
 {
     public RuntimeActionState Actions => Runtime.ActionOwner;
 
@@ -388,9 +389,15 @@ internal sealed class RetailInteractionRetainedUiCompositionFactory
                     container,
                     placement,
                     amount),
+            sendStackableMerge: (source, target, amount) =>
+                session.CurrentSession?.SendStackableMerge(source, target, amount),
             requestExternalContainer: guid =>
             {
-                d.Inventory.ExternalContainers.RequestOpen(guid);
+                ClientObject? container = d.Inventory.Objects.Get(guid);
+                bool isCorpse = container is not null
+                    && ((PublicWeenieFlags)(container.PublicWeenieBitfield ?? 0u)
+                        & PublicWeenieFlags.Corpse) != 0;
+                d.Inventory.ExternalContainers.RequestOpen(guid, isCorpse);
             },
             requestUse: selection.RequestUse,
             // Slice 6.3: ItemInteractionController.TryBuy owns the
@@ -663,16 +670,20 @@ internal sealed class RetailInteractionRetainedUiCompositionFactory
                     CharacterKey: () => d.Settings.ActiveToonKey,
                     ScreenSize: () => (d.Window.Size.X, d.Window.Size.Y));
             void ProbeLog(string message) => d.Log("[UI-PROBE] " + message);
-            FrameScreenshotController? screenshots = null;
-            if (d.Options.UiProbeEnabled
-                && d.Options.AutomationArtifactDirectory is { } artifactDirectory)
-            {
-                screenshots = new FrameScreenshotController(
-                    d.BackbufferReader,
-                    Path.Combine(artifactDirectory, "screenshots"),
-                    ProbeLog,
-                    d.RenderPackDiagnostics);
-            }
+            string screenshotDirectory =
+                d.Options.UiProbeEnabled
+                && d.Options.AutomationArtifactDirectory is { } artifactDirectory
+                    ? Path.Combine(artifactDirectory, "screenshots")
+                    : !string.IsNullOrWhiteSpace(d.ScreenshotsDirectory)
+                        ? d.ScreenshotsDirectory
+                        : Path.Combine(
+                            Path.GetDirectoryName(d.KeyBindingsFilePath)!,
+                            "screenshots");
+            var screenshots = new FrameScreenshotController(
+                d.BackbufferReader,
+                screenshotDirectory,
+                ProbeLog,
+                d.RenderPackDiagnostics);
             checkpoint(InteractionRetainedUiCompositionPoint.UiProbeCreated);
 
             var assets = new RetailUiAssets(
@@ -1157,11 +1168,10 @@ internal sealed class RetailInteractionRetainedUiCompositionFactory
                     late.GameRuntime.CharacterSelectionConfirmDelete,
                     late.GameRuntime.CharacterSelectionRestore,
                     late.GameRuntime.CharacterSelectionCancel,
-                    // Campaign LA gate round 2 finding 1: the SAME
-                    // window-close path GameplayInputCommandController's
-                    // Escape fallback uses (IGameplayWindowCommands.Close
-                    // /GameplayWindowCommands wrap this same d.Window.Close
-                    // delegate) — no separate exit path.
+                    // Campaign LA gate round 2 finding 1: the character
+                    // selection screen's Exit button uses the ordinary host
+                    // close path. Gameplay Escape is independent: retail
+                    // clears selection or toggles the Gameplay Options page.
                     d.Window.Close),
                 // Campaign CC slice CC4: same late-bound generation-capturing
                 // seam as CharacterSelection above. RequestExit here is a
@@ -1203,7 +1213,24 @@ internal sealed class RetailInteractionRetainedUiCompositionFactory
                         RandomizeAppearance: late.GameRuntime.CharacterCreationRandomizeAppearance,
                         RandomizeClothing: late.GameRuntime.CharacterCreationRandomizeClothing,
                         GetSkillScore: chargenSkillScoreResolver.Resolve,
-                    OpenOnStart: d.Options.OpenCharacterCreationOnStart));
+                    OpenOnStart: d.Options.OpenCharacterCreationOnStart),
+                CaptureScreenshot: () =>
+                {
+                    if (screenshots.TryRequestRetailScreenshot(
+                            out string path,
+                            out string error))
+                    {
+                        d.Communication.AddText(
+                            $"Screenshot saved to {path}",
+                            RetailLogTextType.ClientLocal);
+                    }
+                    else
+                    {
+                        d.Communication.AddText(
+                            $"Screenshot failed: {error}",
+                            RetailLogTextType.ClientLocal);
+                    }
+                });
             RetailUiRuntime runtime = lease.Mount(
                 () => RetailUiRuntime.CreateUninitialized(bindings));
             checkpoint(InteractionRetainedUiCompositionPoint.UiRuntimeMounted);

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",

src/AcDream.App/Composition/SessionPlayerComposition.cs

@@ -1169,6 +1169,7 @@ internal sealed class SessionPlayerCompositionPhase
                 live.SelectionInteractions),
             new LiveSessionWorldRuntime(
                 content.Dats,
+                d.DatLock,
                 content.Audio?.Engine is { } sessionAudioEngine
                     ? new AcDream.App.Audio.WorldAudioSessionGate(
                         sessionAudioEngine,
@@ -1279,14 +1280,10 @@ internal sealed class SessionPlayerCompositionPhase
                 new RetainedGameplayWindowCommands(
                     interaction.RetainedUi?.Runtime),
                 runtimeDiagnostics,
-                new PlayerModeGameplayCommands(
-                    d.PlayerMode,
-                    playerMode),
+                new PlayerModeGameplayCommands(playerMode),
                 new ItemTargetModeCommands(interaction.ItemInteraction),
-                new GameplayCameraModeCommands(host.CameraController),
                 gameRuntime,
                 gameRuntime.Combat,
-                new GameplayWindowCommands(d.Window.Close),
                 toggleAudioMute: content.Audio?.Engine is { } audioEngine
                     ? () =>
                     {
@@ -1305,6 +1302,7 @@ internal sealed class SessionPlayerCompositionPhase
                 gameRuntime,
                 gameRuntime.Selection,
                 gameRuntime.MovementCommands,
+                gameRuntime.CharacterCommands,
                 commands);
             GameplayInputActionRouter gameplayActions =
                 GameplayInputActionRouter.Create(

src/AcDream.App/Composition/SettingsDevToolsComposition.cs

@@ -18,8 +18,8 @@ namespace AcDream.App.Composition;
 /// <c>UiHost</c>/<c>UiRoot</c> tree — D1) instead of a new
 /// <c>IPanelRenderer</c> implementation, and its OP9 closeout retired the
 /// unrendered ImGui-era SettingsPanel/SettingsVM outright. Keybind remapping
-/// is Campaign OP slice OP8's Configure Keyboard screen, persisting to
-/// keybinds.json (not retail's <c>.keymap</c> format — register row AP-202).
+/// is Campaign OP slice OP8's Configure Keyboard screen, persisting retail
+/// <c>*.keymap</c> profiles with <c>keybinds.json</c> as the host-command mirror.
 /// </summary>
 internal sealed record SettingsDevToolsResult(
     AcDream.UI.Abstractions.Settings.QualitySettings ResolvedQuality)