diff --git a/.voidbot/state/aetheria.cc b/.voidbot/state/aetheria.cc
index 0f07ebe8c..bbef38d09 100644
Binary files a/.voidbot/state/aetheria.cc and b/.voidbot/state/aetheria.cc differ
diff --git a/Assets/Scripts/ServerShared/AetheriaRuntimeItemCatalog.cs b/Assets/Scripts/ServerShared/AetheriaRuntimeItemCatalog.cs
index 5cf4227d2..66562a6b2 100644
--- a/Assets/Scripts/ServerShared/AetheriaRuntimeItemCatalog.cs
+++ b/Assets/Scripts/ServerShared/AetheriaRuntimeItemCatalog.cs
@@ -16,9 +16,40 @@ public interface IRuntimeItemCatalogReader
 public sealed class AetheriaRuntimeItemCatalog : IRuntimeItemCatalogReader
 {
     private readonly Dictionary<Guid, ItemData> _items;
-    private static readonly IReadOnlyDictionary<int, Type> BehaviorTypesByUnionKey = typeof(BehaviorData)
-        .GetCustomAttributes<UnionAttribute>()
-        .ToDictionary(attribute => attribute.Key, attribute => attribute.SubType);
+    private static readonly IReadOnlyDictionary<int, Type> BehaviorTypesByUnionKey = new Dictionary<int, Type>
+    {
+        { 0, typeof(GuidedWeaponData) },
+        { 1, typeof(LauncherData) },
+        { 2, typeof(ReactorData) },
+        { 3, typeof(RadiatorData) },
+        { 4, typeof(StatModifierData) },
+        { 5, typeof(SensorData) },
+        { 6, typeof(ReflectorData) },
+        { 7, typeof(ShieldData) },
+        { 8, typeof(ThrusterData) },
+        { 9, typeof(WearData) },
+        { 10, typeof(VelocityConversionData) },
+        { 11, typeof(VelocityLimitData) },
+        { 12, typeof(AetherDriveData) },
+        { 15, typeof(CooldownData) },
+        { 16, typeof(HeatData) },
+        { 18, typeof(ItemUsageData) },
+        { 20, typeof(SwitchData) },
+        { 21, typeof(TriggerData) },
+        { 22, typeof(VisibilityData) },
+        { 23, typeof(ThermotoggleData) },
+        { 24, typeof(EnergyDrawData) },
+        { 26, typeof(MiningToolData) },
+        { 28, typeof(ResourceScannerData) },
+        { 31, typeof(CapacitorData) },
+        { 32, typeof(CockpitData) },
+        { 33, typeof(HeatStorageData) },
+        { 34, typeof(TurretControllerData) },
+        { 35, typeof(InstantWeaponData) },
+        { 36, typeof(ConstantWeaponData) },
+        { 37, typeof(ChargedWeaponData) },
+        { 38, typeof(AutoWeaponData) }
+    };
 
     public AetheriaRuntimeItemCatalog(AetheriaRuntimeCatalogSnapshot catalog)
     {
diff --git a/Assets/Scripts/ServerShared/Agents/Tasks/AgentTask.cs b/Assets/Scripts/ServerShared/Agents/Tasks/AgentTask.cs
index 7bbeaa099..f5aad3e20 100644
--- a/Assets/Scripts/ServerShared/Agents/Tasks/AgentTask.cs
+++ b/Assets/Scripts/ServerShared/Agents/Tasks/AgentTask.cs
@@ -3,26 +3,16 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 using System;
-using System.Collections;
-using System.Collections.Generic;
-using MessagePack;
-[MessagePackObject,
- Union(0, typeof(StationTowing)),
- Union(1, typeof(Mining)),
- Union(2, typeof(Survey)),
- Union(3, typeof(HaulingTask))]
+
 public abstract class AgentTask : DatabaseEntry
 {
-    [Key(1)]
     public int Priority;
 
-    [Key(2)]
     public Guid Zone;
 
-    [Key(3)]
     public bool Reserved;
 
-    [IgnoreMember] public abstract TaskType Type { get; }
+    public abstract TaskType Type { get; }
 }
 
 public enum TaskType
diff --git a/Assets/Scripts/ServerShared/Agents/Tasks/HaulingTask.cs b/Assets/Scripts/ServerShared/Agents/Tasks/HaulingTask.cs
index 89fb2adbf..38b893fc9 100644
--- a/Assets/Scripts/ServerShared/Agents/Tasks/HaulingTask.cs
+++ b/Assets/Scripts/ServerShared/Agents/Tasks/HaulingTask.cs
@@ -3,22 +3,16 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 using System;
-using System.Collections;
-using System.Collections.Generic;
-using MessagePack;
+
 public class HaulingTask : AgentTask
 {
     public override TaskType Type => TaskType.Haul;
 
-    [Key(4)]
     public Entity Origin;
 
-    [Key(5)]
     public Entity Target;
 
-    [Key(6)]
     public Guid ItemType;
 
-    [Key(7)]
     public int Quantity;
 }
diff --git a/Assets/Scripts/ServerShared/Agents/Tasks/Mining.cs b/Assets/Scripts/ServerShared/Agents/Tasks/Mining.cs
index 32cf9a300..7734489ff 100644
--- a/Assets/Scripts/ServerShared/Agents/Tasks/Mining.cs
+++ b/Assets/Scripts/ServerShared/Agents/Tasks/Mining.cs
@@ -3,14 +3,10 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 using System;
-using System.Collections;
-using System.Collections.Generic;
-using MessagePack;
-[MessagePackObject]
+
 public class Mining : AgentTask
 {
-    [IgnoreMember] public override TaskType Type => TaskType.Mine;
+    public override TaskType Type => TaskType.Mine;
 
-    [Key(4)]
     public Guid Asteroids;
-}
\ No newline at end of file
+}
diff --git a/Assets/Scripts/ServerShared/Agents/Tasks/StationTowing.cs b/Assets/Scripts/ServerShared/Agents/Tasks/StationTowing.cs
index 711abded7..f138f74aa 100644
--- a/Assets/Scripts/ServerShared/Agents/Tasks/StationTowing.cs
+++ b/Assets/Scripts/ServerShared/Agents/Tasks/StationTowing.cs
@@ -3,20 +3,14 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 using System;
-using System.Collections;
-using System.Collections.Generic;
-using MessagePack;
-[MessagePackObject]
+
 public class StationTowing : AgentTask
 {
-    [IgnoreMember] public override TaskType Type => TaskType.Tow;
+    public override TaskType Type => TaskType.Tow;
 
-    [Key(4)]
     public OrbitalEntity Station;
 
-    [Key(5)]
     public Guid OrbitParent;
 
-    [Key(6)]
     public float OrbitDistance;
 }
diff --git a/Assets/Scripts/ServerShared/Agents/Tasks/Survey.cs b/Assets/Scripts/ServerShared/Agents/Tasks/Survey.cs
index 261e364c7..44f957245 100644
--- a/Assets/Scripts/ServerShared/Agents/Tasks/Survey.cs
+++ b/Assets/Scripts/ServerShared/Agents/Tasks/Survey.cs
@@ -3,14 +3,11 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 using System;
-using System.Collections;
 using System.Collections.Generic;
-using MessagePack;
-[MessagePackObject]
+
 public class Survey : AgentTask
 {
-    [IgnoreMember] public override TaskType Type => TaskType.Explore;
+    public override TaskType Type => TaskType.Explore;
 
-    [Key(4)]
     public List<Guid> Planets;
-}
\ No newline at end of file
+}
diff --git a/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs b/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs
index 7245f9d47..333fea738 100644
--- a/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs
+++ b/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs
@@ -145,45 +145,7 @@ public abstract class PersistentBehaviorData
 {
 }
 
-[Inspectable,
- Union(0, typeof(GuidedWeaponData)),
- Union(1, typeof(LauncherData)),
- Union(2, typeof(ReactorData)),
- Union(3, typeof(RadiatorData)),
- Union(4, typeof(StatModifierData)),
- Union(5, typeof(SensorData)),
- Union(6, typeof(ReflectorData)),
- Union(7, typeof(ShieldData)),
- Union(8, typeof(ThrusterData)),
- Union(9, typeof(WearData)),
- Union(10, typeof(VelocityConversionData)),
- Union(11, typeof(VelocityLimitData)),
- Union(12, typeof(AetherDriveData)),
- // Union(14, typeof(TowingControllerData)),
- Union(15, typeof(CooldownData)),
- Union(16, typeof(HeatData)),
- // Union(17, typeof(HitscanData)),
- Union(18, typeof(ItemUsageData)),
- //Union(19, typeof(RadianceData)),
- Union(20, typeof(SwitchData)),
- Union(21, typeof(TriggerData)),
- Union(22, typeof(VisibilityData)),
- Union(23, typeof(ThermotoggleData)),
- Union(24, typeof(EnergyDrawData)),
- // Union(25, typeof(MiningControllerData)),
- Union(26, typeof(MiningToolData)),
- // Union(27, typeof(SurveyControllerData)),
- Union(28, typeof(ResourceScannerData)),
- // Union(29, typeof(WanderControllerData)),
- // Union(30, typeof(HaulingControllerData)),
- Union(31, typeof(CapacitorData)),
- Union(32, typeof(CockpitData)),
- Union(33, typeof(HeatStorageData)),
- Union(34, typeof(TurretControllerData)),
- Union(35, typeof(InstantWeaponData)),
- Union(36, typeof(ConstantWeaponData)),
- Union(37, typeof(ChargedWeaponData)),
- Union(38, typeof(AutoWeaponData))]
+[Inspectable]
 public abstract class BehaviorData
 {
     [Inspectable, Key(0)]
@@ -196,4 +158,4 @@ public abstract class BehaviorData
     {
         return base.ToString().FormatTypeName();
     }
-}
\ No newline at end of file
+}
diff --git a/Assets/Scripts/ServerShared/Behaviors/Weapon.cs b/Assets/Scripts/ServerShared/Behaviors/Weapon.cs
index 330931739..4b1d3e6a9 100644
--- a/Assets/Scripts/ServerShared/Behaviors/Weapon.cs
+++ b/Assets/Scripts/ServerShared/Behaviors/Weapon.cs
@@ -9,12 +9,7 @@ using MessagePack;
 using Unity.Mathematics;
 using static Unity.Mathematics.math;
 
-[Inspectable,
- Union(0, typeof(InstantWeaponData)),
- Union(1, typeof(LauncherData)),
- Union(2, typeof(ConstantWeaponData)),
- Union(3, typeof(ChargedWeaponData)),
- RuntimeInspectable]
+[Inspectable, RuntimeInspectable]
 public abstract class WeaponData : BehaviorData
 {
     [Inspectable, Key(1), RuntimeInspectable]
diff --git a/docs/aetheria-perfect-machine-map.md b/docs/aetheria-perfect-machine-map.md
index 4758caddf..5f1f128a3 100644
--- a/docs/aetheria-perfect-machine-map.md
+++ b/docs/aetheria-perfect-machine-map.md
@@ -215,7 +215,9 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   plain runtime/session/config projections now, not MessagePack persistence
   shapes. The global scene-load MessagePack resolver hook is deleted. The slime
   compute settings path no longer serializes its local parameter struct for
-  change detection.
+  change detection. Agent task runtime shapes no longer carry MessagePack
+  object, union, key, or ignore metadata. They remain plain in-memory AI task
+  DTOs until a typed Verse task document exists.
 - The dead story compiled-JSON cache sketch and its SHA helper are deleted;
   story compilation currently reads Ink source directly until a typed Verse
   story/cache document exists.
@@ -258,9 +260,10 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   owns simulation. The runtime no longer has a MessagePack catalog cache.
   `AetheriaRuntimeItemCatalog` materializes temporary `ItemData` DTOs from typed
   item records for the old simulation object model. `DatabaseEntry` no longer
-  carries MessagePack union metadata; remaining item/behavior DTO MessagePack
-  keys are temporary projection metadata until typed behavior factories replace
-  reflection. Item properties
+  carries MessagePack union metadata, and behavior type selection now uses an
+  explicit runtime catalog map instead of `UnionAttribute` reflection.
+  Remaining item/behavior DTO MessagePack keys are temporary projection metadata
+  until typed behavior factories replace reflection. Item properties
   manufacturer display is a typed snapshot consumer; loadout generation is the
   remaining runtime single-ID item lookup bridge. The old trade debug UI and
   console `give` command have been deleted. No live caller can enumerate legacy
@@ -442,6 +445,10 @@ First Aetheria surfaces to publish:
      `LegacyItemCatalogCache`, and the runtime MessagePack deserializer path.
    - Done: demote `DatabaseEntry` and `DatabaseLink<T>` from MessagePack
      union/object shapes to plain runtime identity/link helpers.
+   - Done: replace behavior union reflection with an explicit runtime catalog
+     behavior map and remove all live `Union(...)` annotations.
+   - Done: demote agent task runtime shapes from MessagePack object/key/union
+     metadata to plain in-memory DTOs.
    - Convert domain references from GUID/base-class patterns to typed record
      refs.
    - Remove runtime dependency on `ItemData` DTOs as item instance owners.