diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 6a23dcd..ec9913a 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -7,7 +7,9 @@
       "Bash(dotnet build:*)",
       "Bash(dotnet test:*)",
       "Bash(dotnet Temp/Bin/Debug/Network.EditMode.Tests/Network.EditMode.Tests.dll)",
-      "Bash(openspec list:*)"
+      "Bash(openspec list:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)"
     ]
   },
   "outputStyle": "default"
diff --git a/Assets/Prefabs/Player.prefab b/Assets/Prefabs/Player.prefab
index ce3d1b9..3e9e355 100644
--- a/Assets/Prefabs/Player.prefab
+++ b/Assets/Prefabs/Player.prefab
@@ -283,6 +283,7 @@ GameObject:
   - component: {fileID: 6308356813655391140}
   - component: {fileID: 6308356813655391139}
   - component: {fileID: 6308356813655391138}
+  - component: {fileID: 2373500463057886562}
   m_Layer: 0
   m_Name: Main Camera
   m_TagString: MainCamera
@@ -364,6 +365,50 @@ AudioListener:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 6308356813655391137}
   m_Enabled: 1
+--- !u!114 &2373500463057886562
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6308356813655391137}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: a79441f348de89743a2939f4d699eac1, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_RenderShadows: 1
+  m_RequiresDepthTextureOption: 2
+  m_RequiresOpaqueTextureOption: 2
+  m_CameraType: 0
+  m_Cameras: []
+  m_RendererIndex: -1
+  m_VolumeLayerMask:
+    serializedVersion: 2
+    m_Bits: 1
+  m_VolumeTrigger: {fileID: 0}
+  m_VolumeFrameworkUpdateModeOption: 2
+  m_RenderPostProcessing: 0
+  m_Antialiasing: 0
+  m_AntialiasingQuality: 2
+  m_StopNaN: 0
+  m_Dithering: 0
+  m_ClearDepth: 1
+  m_AllowXRRendering: 1
+  m_AllowHDROutput: 1
+  m_UseScreenCoordOverride: 0
+  m_ScreenSizeOverride: {x: 0, y: 0, z: 0, w: 0}
+  m_ScreenCoordScaleBias: {x: 0, y: 0, z: 0, w: 0}
+  m_RequiresDepthTexture: 0
+  m_RequiresColorTexture: 0
+  m_Version: 2
+  m_TaaSettings:
+    m_Quality: 3
+    m_FrameInfluence: 0.1
+    m_JitterScale: 1
+    m_MipBias: 0
+    m_VarianceClampScale: 0.9
+    m_ContrastAdaptiveSharpening: 0
 --- !u!1 &6308356814245253661
 GameObject:
   m_ObjectHideFlags: 0
diff --git a/Assets/Scripts/ClientAuthoritativePlayerState.cs b/Assets/Scripts/ClientAuthoritativePlayerState.cs
index e28d82f..886b3f0 100644
--- a/Assets/Scripts/ClientAuthoritativePlayerState.cs
+++ b/Assets/Scripts/ClientAuthoritativePlayerState.cs
@@ -121,7 +121,7 @@ public sealed class ClientAuthoritativePlayerStateSnapshot
 
     public int Hp { get; }
 
-    public Quaternion RotationQuaternion => Quaternion.Euler(0f, NormalizeDegrees(90f - Rotation), 0f);
+    public Quaternion RotationQuaternion => Quaternion.Euler(0f, NormalizeDegrees(Rotation), 0f);
 
     private static float NormalizeDegrees(float degrees)
     {
diff --git a/Assets/Scripts/ClientGameplayInputFlow.cs b/Assets/Scripts/ClientGameplayInputFlow.cs
index c41e6d3..b1da15b 100644
--- a/Assets/Scripts/ClientGameplayInputFlow.cs
+++ b/Assets/Scripts/ClientGameplayInputFlow.cs
@@ -23,7 +23,7 @@ public static class ClientGameplayInputFlow
         {
             PlayerId = playerId,
             Tick = tick,
-            TurnInput = -input.x,
+            TurnInput = input.x,
             ThrottleInput = input.z
         };
         return true;
diff --git a/Assets/Scripts/MovementComponent.cs b/Assets/Scripts/MovementComponent.cs
index 1f097b4..b21a47f 100644
--- a/Assets/Scripts/MovementComponent.cs
+++ b/Assets/Scripts/MovementComponent.cs
@@ -222,7 +222,7 @@ public class MovementComponent : MonoBehaviour
     {
         Debug.Log(
             $"[Simulate] frame={Time.frameCount} input=({input.x:F2},{input.z:F2}) accum={_simulationAccumulator:F4}");
-        ApplyTankMovement(-input.x, input.z, kServerSimulationStepSeconds);
+        ApplyTankMovement(input.x, input.z, kServerSimulationStepSeconds);
 
         //ApplyTankMovement(-input.x, input.z, kServerSimulationStepSeconds);
 
diff --git a/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementCoordinator.cs b/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementCoordinator.cs
index 3154bf3..484ed73 100644
--- a/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementCoordinator.cs
+++ b/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementCoordinator.cs
@@ -174,6 +174,11 @@ namespace Network.NetworkHost
                         IntegrateState(state, configuration.SimulationInterval);
                     }
 
+                    foreach (var state in statesByPeer.Values)
+                    {
+                        state.HasInputThisFrame = false;
+                    }
+
                     accumulatedBroadcastTime += configuration.SimulationInterval;
                     while (accumulatedBroadcastTime >= configuration.BroadcastInterval)
                     {
@@ -362,6 +367,7 @@ namespace Network.NetworkHost
             state.LastAcceptedMoveTick = input.Tick;
             state.InputX = ClampInput(input.TurnInput);
             state.InputY = ClampInput(input.ThrottleInput);
+            state.HasInputThisFrame = true;
 
             if (state.InputY == 0f)
             {
@@ -390,6 +396,16 @@ namespace Network.NetworkHost
                 return;
             }
 
+            if (!state.HasInputThisFrame)
+            {
+                state.InputX = 0f;
+                state.InputY = 0f;
+                state.VelocityX = 0f;
+                state.VelocityY = 0f;
+                state.VelocityZ = 0f;
+                return;
+            }
+
             var turnInput = ClampInput(state.InputX);
             var throttleInput = ClampInput(state.InputY);
             if (turnInput != 0f)
diff --git a/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementState.cs b/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementState.cs
index dc932f1..29d9b27 100644
--- a/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementState.cs
+++ b/Assets/Scripts/Network/NetworkHost/ServerAuthoritativeMovementState.cs
@@ -46,6 +46,8 @@ namespace Network.NetworkHost
 
         public float InputY { get; internal set; }
 
+        public bool HasInputThisFrame { get; internal set; }
+
         public float Speed { get; internal set; }
     }
 }