Demote zone data from runtime projection

Aetheria.State/README.md

@@ -69,8 +69,10 @@ and inspection metadata for the typed runtime bridge.
 Item instances now carry `RuntimeItemReference`, a narrow item-id/value holder.
 The old generic `RuntimeCatalogLink<T>` abstraction has been deleted; item data
 projection is routed through `ItemManager` and the typed runtime catalog reader.
-Surviving catalog and zone Unity DTOs inherit `RuntimeProjectionEntry`; the old
-`RuntimeCatalogEntry` base name no longer appears in live source.
+Surviving item/faction catalog Unity DTOs inherit `RuntimeProjectionEntry`; the
+old `RuntimeCatalogEntry` base name no longer appears in live source. Zone
+body/orbit DTOs keep local GUID fields but no longer inherit the shared
+projection identity base.
 The dead `InspectableRuntimeCatalogLinkAttribute` inspector metadata is gone;
 typed runtime projection still uses `LegacyPayloadKeyAttribute` only where the
 temporary mapper needs a deterministic field order.

Assets/Scripts/ServerShared/ZoneData.cs

@@ -21,8 +21,10 @@ public class RuntimeZoneBlueprint
     public double Time;
 }
 
-public abstract class BodyData : RuntimeProjectionEntry, INamedEntry
+public abstract class BodyData : INamedEntry
 {
+    public Guid ID = Guid.NewGuid();
+
     public string Name = "";
 
     public Guid Orbit;
@@ -101,8 +103,10 @@ public class Asteroid
     public float RotationSpeed;
 }
 
-public class OrbitData : RuntimeProjectionEntry
+public class OrbitData
 {
+    public Guid ID = Guid.NewGuid();
+
     public Guid Parent;
 
     public float Distance;

docs/aetheria-perfect-machine-map.md

@@ -305,6 +305,9 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
 - `AgentTask` has been cut loose from `RuntimeProjectionEntry`; AI tasks are
   local runtime work orders and no longer participate in the shared projection
   identity base.
+- `BodyData` and `OrbitData` have also been cut loose from
+  `RuntimeProjectionEntry`; they keep local GUID fields for zone runtime lookup,
+  but no longer inherit shared projection equality.
 - `Aetheria.Shared.Unity` no longer references the vendored `MessagePack`
   assembly. The embedded `GameCult.Aetheria.State.Unity` package still depends
   on MessagePackReader to open CultCache `.cc` records; that dependency belongs