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.Runtime/Gameplay/PlayerMovementController.cs

@@ -110,7 +110,11 @@ public readonly record struct MovementResult(
     // MovementManager's complete RawMotionState into MoveToStatePack. An
     // absent style bit unpacks as NonCombat, so the canonical raw style must
     // travel with every input-boundary snapshot sent to ACE.
-    uint CurrentStyle = 0x8000003Du);
+    uint CurrentStyle = 0x8000003Du,
+    // Retail SendMovementEvent snapshots the COMPLETE RawMotionState
+    // synchronously. Command-originated motions use this one-shot override so
+    // the action FIFO/state survives the render-tick input projection.
+    RawMotionState? RawMotionStateOverride = null);
 
 /// <summary>
 /// Portal-space state for the player movement controller.
@@ -530,6 +534,25 @@ public sealed class PlayerMovementController
     /// </summary>
     public JumpChargeSnapshot JumpCharge
         => new(_jumpCharging, _jumpCharging ? _jumpExtent : 0f);
+
+    /// <summary>
+    /// Retail <c>CommandInterpreter::IsStandingStill</c>: the exact motion-
+    /// interpreter predicate consumed by Escape before it reaches selection
+    /// or the Gameplay Options fallback.
+    /// </summary>
+    internal bool IsStandingStill => _motion.IsStandingStill();
+
+    /// <summary>
+    /// Retail <c>ClientCombatSystem::FinishJump</c> (0x0056A9B0): end an
+    /// in-progress jump power build without executing the jump and clear the
+    /// standing-long-jump arm on the motion interpreter.
+    /// </summary>
+    internal void FinishJump()
+    {
+        _jumpCharging = false;
+        _jumpExtent = 0f;
+        _motion.StandingLongJump = false;
+    }
     // Matching v11.4186 x86 resolves GetPowerBarLevel's collapsed x87
     // operands: ATTACK_POWERUP_TIME=1.0 s, DUAL_WIELD_POWERUP_TIME=0.8 s.
     // Jump uses the same shared powerbar function, so its normal fill rate is
@@ -656,6 +679,8 @@ public sealed class PlayerMovementController
     private readonly AcDream.Core.Physics.Motion.MotionDeltaFrame
         _positionManagerDeltaScratch = new();
     private bool _externalMovementEventPending;
+    private RawMotionState? _externalRawMotionStatePending;
+    private uint _localActionStamp;
 
     // ── R4-V5: the verbatim retail MoveToManager replaces B.6 auto-walk ──
     // The B.6 DriveServerAutoWalk overlay (synthesized turn-first phase,
@@ -1441,6 +1466,34 @@ public sealed class PlayerMovementController
         return true;
     }
 
+    /// <summary>
+    /// Retail <c>ACCmdInterp::SetMotion</c> (<c>0x0058B310</c>) with
+    /// start=true: submit one raw command through the local physics-object
+    /// boundary and publish the resulting movement edge on the next turn.
+    /// </summary>
+    internal bool RequestCommandMotion(uint motion)
+    {
+        EnsurePublishedForRuntimeOperation();
+        TakeControlFromServer();
+        var parameters =
+            new AcDream.Core.Physics.Motion.MovementParameters
+            {
+                Autonomous = true,
+                ActionStamp = _localActionStamp,
+            };
+        if (DoMotionAtPhysicsObjectBoundary(motion, parameters)
+            != WeenieError.None)
+        {
+            return false;
+        }
+
+        if ((motion & 0x10000000u) != 0u)
+            _localActionStamp++;
+        _externalRawMotionStatePending = new RawMotionState(_motion.RawState);
+        _externalMovementEventPending = true;
+        return true;
+    }
+
     public void SetCharacterSkills(int runSkill, int jumpSkill)
     {
         EnsureConfigurationMutable();
@@ -2452,6 +2505,9 @@ public sealed class PlayerMovementController
         bool externallyRequestedMovementEvent =
             _externalMovementEventPending;
         _externalMovementEventPending = false;
+        RawMotionState? externalRawMotionState =
+            _externalRawMotionStatePending;
+        _externalRawMotionStatePending = null;
         bool motionEdgeFired = false;
         bool movementEventRequested =
             externallyRequestedMovementEvent;
@@ -3189,7 +3245,8 @@ public sealed class PlayerMovementController
             SidestepUsesRunHold: _activeInputSidestepUsesRunHold
                 && outSidestepCmd.HasValue,
             IsMouseLookMovementEvent: mouseMovementEventDue,
-            CurrentStyle: _motion.RawState.CurrentStyle);
+            CurrentStyle: _motion.RawState.CurrentStyle,
+            RawMotionStateOverride: externalRawMotionState);
     }
 
     /// <summary>