Further Tests & Progress

Assets/_Project/Scripts/Simulation/Combat/KnockbackState.cs

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+using Unity.Entities;
+using Unity.Mathematics;
+
+namespace ProjectM.Simulation
+{
+    /// <summary>
+    /// SERVER-ONLY transient knockback on a Husk. While <see cref="UntilTick"/> has not elapsed, EnemyAISystem
+    /// moves the Husk along <see cref="Dir"/> at <see cref="Speed"/> (REPLACING its seek) and suppresses its strike.
+    /// Stamped by ProjectileDamageSystem on a hit (Dir = the projectile's heading). NOT a [GhostField] — the Husk's
+    /// displaced position already replicates via the stock LocalTransform default variant, so knockback adds NO
+    /// replicated surface (no ghost re-bake). EnemyAISystem must remain the SOLE writer of the Husk's Position, so
+    /// knockback is applied INSIDE it (never a competing system). Force/duration live in <see cref="Tuning"/>
+    /// (KnockbackSpeed = 0 disables knockback globally).
+    /// </summary>
+    public struct KnockbackState : IComponentData
+    {
+        /// <summary>Planar (XZ) knockback heading — the projectile's direction at impact.</summary>
+        public float2 Dir;
+
+        /// <summary>Knockback speed (world units/sec) applied for the window; 0 = not knocked.</summary>
+        public float Speed;
+
+        /// <summary>Server tick until which the knockback is active (0 = none; scheduled via TickUtil.NonZero).</summary>
+        public uint UntilTick;
+    }
+}