diff --git a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldContracts.cs b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldContracts.cs
index c0661a44..dc4e702e 100644
--- a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldContracts.cs
+++ b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldContracts.cs
@@ -3,34 +3,88 @@ using UnityEngine;
 
 namespace InfiniteWorld.VoxelWorld.Contracts
 {
+    /// <summary>
+    /// Provides chunk-level nav build inputs without exposing the internal runtime representation of the voxel world.
+    /// </summary>
     public interface IChunkNavSourceReader
     {
+        /// <summary>
+        /// Returns the world-space edge length of one chunk so nav coverage and source collection can reason in chunk units.
+        /// </summary>
         float ChunkWorldSize { get; }
+
+        /// <summary>
+        /// Copies the coordinates of chunks that currently have usable nav geometry into the provided list.
+        /// </summary>
         void GetLoadedChunkCoords(List<Vector2Int> results);
+
+        /// <summary>
+        /// Retrieves the current nav source snapshot for a loaded chunk so sidecar systems can rebuild coverage from stable descriptors.
+        /// </summary>
         bool TryGetChunkNavSourceSnapshot(Vector2Int coord, out ChunkNavSourceSnapshot snapshot);
     }
 
+    /// <summary>
+    /// Exposes the current gameplay-relevant interest points that should influence world streaming or nav coverage planning.
+    /// </summary>
     public interface IWorldInterestReader
     {
+        /// <summary>
+        /// Increments when the logical set of interest points changes and downstream systems should invalidate cached plans.
+        /// </summary>
         int InterestVersion { get; }
+
+        /// <summary>
+        /// Appends the currently active interest points into the provided list.
+        /// </summary>
         void GetInterestPoints(List<WorldInterestPoint> results);
     }
 
+    /// <summary>
+    /// Exposes the currently built nav coverage so gameplay systems can query whether a world-space area is ready for pathing.
+    /// </summary>
     public interface INavCoverageReader
     {
+        /// <summary>
+        /// Returns whether the supplied world position lies inside ready nav coverage, not merely inside generated terrain.
+        /// </summary>
         bool IsPositionCovered(Vector3 worldPosition);
+
+        /// <summary>
+        /// Copies the currently active coverage windows so diagnostics and higher-level systems can inspect the coverage topology.
+        /// </summary>
         void GetCoverageWindows(List<NavCoverageWindowSnapshot> results);
     }
 
+    /// <summary>
+    /// Lets callers inject short-lived route hints that bias nav coverage planning toward an upcoming movement corridor.
+    /// </summary>
     public interface INavCoverageHintRegistry
     {
+        /// <summary>
+        /// Registers or refreshes a temporary linear hint for the given owner so coverage can prewarm along a route before pathing starts.
+        /// </summary>
         void SetLinearHint(int ownerId, Vector3 from, Vector3 to, float priority, float ttlSeconds);
+
+        /// <summary>
+        /// Removes the temporary hint owned by the caller when the route is no longer relevant.
+        /// </summary>
         void ClearHint(int ownerId);
     }
 
+    /// <summary>
+    /// Exposes the current set of transient nav coverage hints as read-only interest points for the nav coverage scheduler.
+    /// </summary>
     public interface INavCoverageHintReader
     {
+        /// <summary>
+        /// Increments whenever the effective hint set changes so dependent planners can invalidate cached coverage windows.
+        /// </summary>
         int HintVersion { get; }
+
+        /// <summary>
+        /// Appends the currently active transient hint points into the provided list.
+        /// </summary>
         void GetHintPoints(List<WorldInterestPoint> results);
     }
 }
diff --git a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldEnums.cs b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldEnums.cs
index 0f6a3281..2315a288 100644
--- a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldEnums.cs
+++ b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldEnums.cs
@@ -1,18 +1,38 @@
 namespace InfiniteWorld.VoxelWorld.Contracts
 {
+    /// <summary>
+    /// Identifies why a point contributes to nav coverage so planners and diagnostics can treat different sources appropriately.
+    /// </summary>
     public enum WorldInterestKind
     {
+        /// <summary>Coverage seeded by the current player-controlled actor.</summary>
         PlayerActor = 0,
+
+        /// <summary>Coverage seeded by an active NPC that still requires authoritative pathing.</summary>
         ActiveNpc = 1,
+
+        /// <summary>Coverage seeded by a spawn location that should be warm before actors start moving.</summary>
         SpawnAnchor = 2,
+
+        /// <summary>Coverage seeded by a short-lived route hint that biases planning ahead of movement.</summary>
         TransientNavHint = 3,
+
+        /// <summary>Fallback category for future interest sources that do not fit a more specific kind.</summary>
         Other = 4
     }
 
+    /// <summary>
+    /// Describes where a coverage window currently sits in the nav build lifecycle.
+    /// </summary>
     public enum NavCoverageState
     {
+        /// <summary>The window exists conceptually but still needs a fresh build.</summary>
         Pending = 0,
+
+        /// <summary>The window is currently rebuilding its runtime NavMesh data.</summary>
         Building = 1,
+
+        /// <summary>The window has ready NavMesh data that can answer pathing queries.</summary>
         Ready = 2
     }
 }
diff --git a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldMessages.cs b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldMessages.cs
index 8c52cd1d..16d9c296 100644
--- a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldMessages.cs
+++ b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldMessages.cs
@@ -2,6 +2,9 @@ using UnityEngine;
 
 namespace InfiniteWorld.VoxelWorld.Contracts
 {
+    /// <summary>
+    /// Signals that a chunk now has valid nav geometry and dependent coverage windows should invalidate cached builds.
+    /// </summary>
     public readonly struct ChunkNavGeometryReadyMessage
     {
         public ChunkNavGeometryReadyMessage(Vector2Int coord, int version)
@@ -10,10 +13,20 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             Version = version;
         }
 
+        /// <summary>
+        /// Chunk coordinate whose nav geometry became available.
+        /// </summary>
         public Vector2Int Coord { get; }
+
+        /// <summary>
+        /// Version of the chunk runtime state associated with this notification.
+        /// </summary>
         public int Version { get; }
     }
 
+    /// <summary>
+    /// Signals that a chunk's nav geometry is being removed so dependent coverage windows can drop stale build data.
+    /// </summary>
     public readonly struct ChunkNavGeometryRemovedMessage
     {
         public ChunkNavGeometryRemovedMessage(Vector2Int coord, int version)
@@ -22,10 +35,20 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             Version = version;
         }
 
+        /// <summary>
+        /// Chunk coordinate whose nav geometry is no longer available.
+        /// </summary>
         public Vector2Int Coord { get; }
+
+        /// <summary>
+        /// Last known version of the chunk state before removal.
+        /// </summary>
         public int Version { get; }
     }
 
+    /// <summary>
+    /// Invalidates consumers that cache the current world interest set.
+    /// </summary>
     public readonly struct WorldInterestChangedMessage
     {
         public WorldInterestChangedMessage(int version)
@@ -33,9 +56,15 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             Version = version;
         }
 
+        /// <summary>
+        /// Monotonic version of the world interest state after the change.
+        /// </summary>
         public int Version { get; }
     }
 
+    /// <summary>
+    /// Invalidates consumers that cache transient nav coverage hints.
+    /// </summary>
     public readonly struct NavCoverageHintChangedMessage
     {
         public NavCoverageHintChangedMessage(int version)
@@ -43,6 +72,9 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             Version = version;
         }
 
+        /// <summary>
+        /// Monotonic version of the active nav hint state after the change.
+        /// </summary>
         public int Version { get; }
     }
 }
diff --git a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldSnapshots.cs b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldSnapshots.cs
index 39a564f5..91b4ca0f 100644
--- a/Assets/Features/VoxelWorld/Contracts/NavMeshWorldSnapshots.cs
+++ b/Assets/Features/VoxelWorld/Contracts/NavMeshWorldSnapshots.cs
@@ -3,6 +3,9 @@ using UnityEngine.AI;
 
 namespace InfiniteWorld.VoxelWorld.Contracts
 {
+    /// <summary>
+    /// Captures the nav-relevant state of one chunk at a specific version so sidecar systems can rebuild from immutable inputs.
+    /// </summary>
     public readonly struct ChunkNavSourceSnapshot
     {
         public ChunkNavSourceSnapshot(Vector2Int coord, int version, ChunkNavBuildSourceDescriptor[] sources)
@@ -12,11 +15,25 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             Sources = sources;
         }
 
+        /// <summary>
+        /// Chunk coordinate this snapshot was produced for.
+        /// </summary>
         public Vector2Int Coord { get; }
+
+        /// <summary>
+        /// Version of the chunk runtime state used to generate this snapshot.
+        /// </summary>
         public int Version { get; }
+
+        /// <summary>
+        /// Stable nav build descriptors derived from the chunk's current geometry.
+        /// </summary>
         public ChunkNavBuildSourceDescriptor[] Sources { get; }
     }
 
+    /// <summary>
+    /// Describes one build source in a format that can be consumed without direct references to world internals or scene scans.
+    /// </summary>
     public readonly struct ChunkNavBuildSourceDescriptor
     {
         public ChunkNavBuildSourceDescriptor(NavMeshBuildSourceShape shape, Matrix4x4 transform, Vector3 size, Mesh mesh, int area)
@@ -28,23 +45,51 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             Area = area;
         }
 
+        /// <summary>
+        /// Unity NavMesh source shape represented by this descriptor.
+        /// </summary>
         public NavMeshBuildSourceShape Shape { get; }
+
+        /// <summary>
+        /// World transform used when the descriptor is converted into a runtime build source.
+        /// </summary>
         public Matrix4x4 Transform { get; }
+
+        /// <summary>
+        /// Source size for primitive shapes such as box-based ground coverage.
+        /// </summary>
         public Vector3 Size { get; }
+
+        /// <summary>
+        /// Source mesh for mesh-based obstacles or walkable surfaces when applicable.
+        /// </summary>
         public Mesh Mesh { get; }
+
+        /// <summary>
+        /// Nav area assigned to the resulting build source.
+        /// </summary>
         public int Area { get; }
 
+        /// <summary>
+        /// Creates a compact descriptor for box-based chunk geometry such as ground slabs.
+        /// </summary>
         public static ChunkNavBuildSourceDescriptor CreateBox(Matrix4x4 transform, Vector3 size, int area = 0)
         {
             return new ChunkNavBuildSourceDescriptor(NavMeshBuildSourceShape.Box, transform, size, null, area);
         }
 
+        /// <summary>
+        /// Creates a compact descriptor for mesh-based chunk geometry such as carved terrain or obstacles.
+        /// </summary>
         public static ChunkNavBuildSourceDescriptor CreateMesh(Matrix4x4 transform, Mesh mesh, int area = 0)
         {
             return new ChunkNavBuildSourceDescriptor(NavMeshBuildSourceShape.Mesh, transform, Vector3.zero, mesh, area);
         }
     }
 
+    /// <summary>
+    /// Represents one gameplay-driven point that should influence nav coverage planning and clustering.
+    /// </summary>
     public readonly struct WorldInterestPoint
     {
         public WorldInterestPoint(Vector3 position, float priority, WorldInterestKind kind)
@@ -54,11 +99,25 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             Kind = kind;
         }
 
+        /// <summary>
+        /// World position the planner should consider when shaping coverage.
+        /// </summary>
         public Vector3 Position { get; }
+
+        /// <summary>
+        /// Relative weight used to prioritize coverage near more important interest points.
+        /// </summary>
         public float Priority { get; }
+
+        /// <summary>
+        /// Category of interest so diagnostics can distinguish players, spawn anchors, hints and future AI sources.
+        /// </summary>
         public WorldInterestKind Kind { get; }
     }
 
+    /// <summary>
+    /// Lightweight read-model snapshot describing one currently managed nav coverage window.
+    /// </summary>
     public readonly struct NavCoverageWindowSnapshot
     {
         public NavCoverageWindowSnapshot(int id, Bounds bounds, NavCoverageState state, int interestCount)
@@ -69,9 +128,24 @@ namespace InfiniteWorld.VoxelWorld.Contracts
             InterestCount = interestCount;
         }
 
+        /// <summary>
+        /// Stable runtime identifier of the coverage window.
+        /// </summary>
         public int Id { get; }
+
+        /// <summary>
+        /// World-space bounds the window currently covers for pathing readiness.
+        /// </summary>
         public Bounds Bounds { get; }
+
+        /// <summary>
+        /// Current lifecycle state of the window in the build scheduler.
+        /// </summary>
         public NavCoverageState State { get; }
+
+        /// <summary>
+        /// Number of interest points currently collapsed into this window.
+        /// </summary>
         public int InterestCount { get; }
     }
 }
diff --git a/Assets/Features/VoxelWorldNavMesh/Runtime/NavCoverageHintService.cs b/Assets/Features/VoxelWorldNavMesh/Runtime/NavCoverageHintService.cs
index 0662ede7..642af643 100644
--- a/Assets/Features/VoxelWorldNavMesh/Runtime/NavCoverageHintService.cs
+++ b/Assets/Features/VoxelWorldNavMesh/Runtime/NavCoverageHintService.cs
@@ -7,6 +7,9 @@ using VContainer.Unity;
 
 namespace InfiniteWorld.VoxelWorld.NavMesh
 {
+    /// <summary>
+    /// Stores short-lived route hints and expands them into interest points so nav coverage can prewarm ahead of movement.
+    /// </summary>
     public sealed class NavCoverageHintService : ITickable, INavCoverageHintRegistry, INavCoverageHintReader
     {
         private readonly IChunkNavSourceReader chunkNavSourceReader;
@@ -27,8 +30,14 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             this.hintChangedPublisher = hintChangedPublisher;
         }
 
+        /// <summary>
+        /// Increments whenever the effective set of active hints changes and cached coverage planning should be invalidated.
+        /// </summary>
         public int HintVersion => hintVersion;
 
+        /// <summary>
+        /// Expires hints whose time-to-live has elapsed so stale route bias does not keep shaping coverage forever.
+        /// </summary>
         public void Tick()
         {
             if (hints.Count == 0)
@@ -61,6 +70,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             NotifyHintsChanged();
         }
 
+        /// <summary>
+        /// Registers or refreshes a temporary linear corridor for one owner so coverage can be biased along an upcoming route.
+        /// </summary>
         public void SetLinearHint(int ownerId, Vector3 from, Vector3 to, float priority, float ttlSeconds)
         {
             if (ownerId == 0)
@@ -74,6 +86,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             NotifyHintsChanged();
         }
 
+        /// <summary>
+        /// Removes a previously registered route hint once the owner no longer needs prewarmed coverage.
+        /// </summary>
         public void ClearHint(int ownerId)
         {
             if (!hints.Remove(ownerId))
@@ -84,6 +99,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             NotifyHintsChanged();
         }
 
+        /// <summary>
+        /// Appends the currently active hint points so the main coverage scheduler can treat them like supplemental interest.
+        /// </summary>
         public void GetHintPoints(List<WorldInterestPoint> results)
         {
             if (results == null)
diff --git a/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshConfig.cs b/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshConfig.cs
index a81fd35a..cfebcf2d 100644
--- a/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshConfig.cs
+++ b/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshConfig.cs
@@ -4,6 +4,9 @@ using UnityEngine;
 namespace InfiniteWorld.VoxelWorld.NavMesh
 {
     [Serializable]
+    /// <summary>
+    /// Inspector-friendly tuning parameters that bound how clustered nav coverage is shaped and rebuilt at runtime.
+    /// </summary>
     public sealed class VoxelWorldNavMeshConfig
     {
         [Min(0)] public int agentTypeId;
diff --git a/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshService.cs b/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshService.cs
index e63975df..fc95f544 100644
--- a/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshService.cs
+++ b/Assets/Features/VoxelWorldNavMesh/Runtime/VoxelWorldNavMeshService.cs
@@ -10,6 +10,9 @@ using UnityNavMeshBuilder = UnityEngine.AI.NavMeshBuilder;
 
 namespace InfiniteWorld.VoxelWorld.NavMesh
 {
+    /// <summary>
+    /// Coordinates clustered runtime NavMesh coverage over the voxel world by rebuilding a bounded set of windows around active interest.
+    /// </summary>
     public sealed class VoxelWorldNavMeshService : IStartable, ITickable, IDisposable, INavCoverageReader
     {
         private readonly IChunkNavSourceReader chunkNavSourceReader;
@@ -54,6 +57,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             this.config = config ?? new VoxelWorldNavMeshConfig();
         }
 
+        /// <summary>
+        /// Subscribes to world invalidation and primes the initial set of coverage windows for the current interest snapshot.
+        /// </summary>
         public void Start()
         {
             subscriptions.Add(chunkReadySubscriber.Subscribe(OnChunkNavGeometryReady));
@@ -66,6 +72,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             MarkAllCoverageWindowsDirty();
         }
 
+        /// <summary>
+        /// Advances the clustered coverage scheduler, refreshing interest and starting bounded asynchronous builds when needed.
+        /// </summary>
         public void Tick()
         {
             RefreshInterestPoints();
@@ -92,6 +101,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             }
         }
 
+        /// <summary>
+        /// Returns whether the supplied world position is inside a ready coverage window and can be treated as nav-ready.
+        /// </summary>
         public bool IsPositionCovered(Vector3 worldPosition)
         {
             foreach (KeyValuePair<int, NavCoverageWindowRuntime> pair in coverageWindows)
@@ -106,6 +118,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             return false;
         }
 
+        /// <summary>
+        /// Copies the current runtime coverage windows for diagnostics, readiness checks and higher-level planning.
+        /// </summary>
         public void GetCoverageWindows(List<NavCoverageWindowSnapshot> results)
         {
             if (results == null)
@@ -120,6 +135,9 @@ namespace InfiniteWorld.VoxelWorld.NavMesh
             }
         }
 
+        /// <summary>
+        /// Releases subscriptions and runtime NavMesh data owned by the service.
+        /// </summary>
         public void Dispose()
         {
             for (int i = 0; i < subscriptions.Count; i++)
diff --git a/Assets/Scripts/VoxelWorld/SceneWorldInterestReader.cs b/Assets/Scripts/VoxelWorld/SceneWorldInterestReader.cs
index 1b3b67e7..6b480824 100644
--- a/Assets/Scripts/VoxelWorld/SceneWorldInterestReader.cs
+++ b/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)
diff --git a/Assets/Scripts/VoxelWorld/VoxelWorldNavMeshLifetimeScope.cs b/Assets/Scripts/VoxelWorld/VoxelWorldNavMeshLifetimeScope.cs
index 425f0be3..333264b7 100644
--- a/Assets/Scripts/VoxelWorld/VoxelWorldNavMeshLifetimeScope.cs
+++ b/Assets/Scripts/VoxelWorld/VoxelWorldNavMeshLifetimeScope.cs
@@ -10,6 +10,9 @@ namespace VoxelWorldScene
 {
     [DisallowMultipleComponent]
     [RequireComponent(typeof(VoxelWorldGenerator))]
+    /// <summary>
+    /// Scene-level composition root that wires the voxel world, nav coverage services and interest readers into one runtime module.
+    /// </summary>
     public sealed class VoxelWorldNavMeshLifetimeScope : LifetimeScope
     {
         [SerializeField] private bool enableRuntimeNavMesh = true;
diff --git a/Assets/Scripts/VoxelWorld/VoxelWorldPlayerStreamTargetBinding.cs b/Assets/Scripts/VoxelWorld/VoxelWorldPlayerStreamTargetBinding.cs
index 15faee3e..b612351e 100644
--- a/Assets/Scripts/VoxelWorld/VoxelWorldPlayerStreamTargetBinding.cs
+++ b/Assets/Scripts/VoxelWorld/VoxelWorldPlayerStreamTargetBinding.cs
@@ -6,6 +6,9 @@ namespace VoxelWorldScene
 {
     [DisallowMultipleComponent]
     [RequireComponent(typeof(VoxelWorldGenerator))]
+    /// <summary>
+    /// Keeps the voxel world streaming target aligned with the local player when available, or a spawn anchor as a safe fallback.
+    /// </summary>
     public sealed class VoxelWorldPlayerStreamTargetBinding : MonoBehaviour
     {
         [SerializeField] private VoxelWorldGenerator worldGenerator;
diff --git a/Assets/Scripts/VoxelWorld/VoxelWorldSpawnAnchor.cs b/Assets/Scripts/VoxelWorld/VoxelWorldSpawnAnchor.cs
index 733e85eb..31235931 100644
--- a/Assets/Scripts/VoxelWorld/VoxelWorldSpawnAnchor.cs
+++ b/Assets/Scripts/VoxelWorld/VoxelWorldSpawnAnchor.cs
@@ -3,10 +3,16 @@ using UnityEngine;
 namespace VoxelWorldScene
 {
     [DisallowMultipleComponent]
+    /// <summary>
+    /// Marks a scene transform that should contribute interest before players move so spawn areas can be prewarmed for nav coverage.
+    /// </summary>
     public sealed class VoxelWorldSpawnAnchor : MonoBehaviour
     {
         [SerializeField, Min(0.01f)] private float priority = 2f;
 
+        /// <summary>
+        /// Relative importance of this anchor when coverage planning competes between multiple spawn-related interests.
+        /// </summary>
         public float Priority => priority;
     }
 }