add documentation

Assets/Scripts/VoxelWorld/SceneWorldInterestReader.cs

@@ -5,6 +5,9 @@ using UnityEngine;
 
 namespace VoxelWorldScene
 {
+    /// <summary>
+    /// Combines the world generator's current stream target with scene spawn anchors into one interest feed for nav coverage.
+    /// </summary>
     public sealed class SceneWorldInterestReader : IWorldInterestReader
     {
         private readonly VoxelWorldGenerator worldGenerator;
@@ -16,8 +19,14 @@ namespace VoxelWorldScene
             this.worldGenerator = worldGenerator;
         }
 
+        /// <summary>
+        /// Mirrors the generator's interest version so downstream systems can invalidate cached plans when scene interest changes.
+        /// </summary>
         public int InterestVersion => worldGenerator != null ? worldGenerator.InterestVersion : 0;
 
+        /// <summary>
+        /// Appends both dynamic actor interest and static spawn-anchor interest into the supplied list.
+        /// </summary>
         public void GetInterestPoints(List<WorldInterestPoint> results)
         {
             if (results == null)