diff --git a/docs/eve-migration-roadmap.md b/docs/eve-migration-roadmap.md
index fd5c4a7..98c1707 100644
--- a/docs/eve-migration-roadmap.md
+++ b/docs/eve-migration-roadmap.md
@@ -674,14 +674,16 @@ Recently cut:
   `AetheriaEveUnitySceneProviderBridge` as an
   `IEveUnitySceneLiveProviderTransport`; the generic Eve live bridge consumes
   that transport and drives `EveUnityPlayableWorldRuntime` without the runtime
-  importing Aetheria scene classes. The next blocker is advertisement-owned live
-  proof: Aetheria's provider advertisement and surface catalog must publish the
-  world interaction metadata that the Unity scene document needs, so
-  `AetheriaEveUnitySceneProviderBridge` stops fabricating projection kind,
-  command boundary, receipt schema, ownership, and pointer metadata locally.
-  After that cut, implement concrete CultMesh/CultCache readers for provider
-  surface and asset manifest documents and prove provider receipts plus daemon
-  snapshots drive rendered Unity frames rather than renderer-local simulation.
+  importing Aetheria scene classes. Aetheria's provider advertisement and
+  surface catalog now publish the world interaction metadata the Unity scene
+  document needs: surface kind, projection kind, command boundary, receipt
+  schema, ownership, lowering targets, state schemas, and record pointer. The
+  Aetheria Unity bridge now selects that provider-owned advertisement instead of
+  fabricating the Unity scene metadata locally. The next blocker is concrete
+  CultMesh/CultCache live reading: provider surface and asset manifest documents
+  must be consumed through real live record readers, then provider receipts plus
+  daemon snapshots must drive rendered Unity frames rather than renderer-local
+  simulation.
 - EveElectron capture lifecycle now carries the same kind of structured pending
   capture contract. `captureContract` names the Electron shell runtime, capture
   kind, PNG artifact pattern, conformance attachment point, required Aetheria
diff --git a/scripts/run-aetheria-unity-package-smoke.ps1 b/scripts/run-aetheria-unity-package-smoke.ps1
index 54c843c..b6ed95c 100644
--- a/scripts/run-aetheria-unity-package-smoke.ps1
+++ b/scripts/run-aetheria-unity-package-smoke.ps1
@@ -17,6 +17,7 @@ $aetheriaEveRuntimePackage = Join-Path $AetheriaRoot "Packages\org.gamecult.aeth
 $aetheriaEveRuntimeAsmdef = Join-Path $AetheriaRoot "Packages\org.gamecult.aetheria.eve-runtime\Runtime\GameCult.Aetheria.EveRuntime.asmdef"
 $aetheriaSceneBridge = Join-Path $AetheriaRoot "Packages\org.gamecult.aetheria.eve-runtime\Runtime\AetheriaEveUnitySceneProviderBridge.cs"
 $aetheriaSceneProviderComponent = Join-Path $AetheriaRoot "Packages\org.gamecult.aetheria.eve-runtime\Runtime\AetheriaEveUnitySceneProviderComponent.cs"
+$aetheriaSurfaceCatalog = Join-Path $AetheriaRoot "Packages\org.gamecult.aetheria.state\Runtime\AetheriaRuntimeEveSurfaceCatalog.cs"
 $aetheriaGameSurfaceBuilder = Join-Path $AetheriaRoot "Packages\org.gamecult.aetheria.state\Runtime\AetheriaRuntimeDaemonGameSurfaceBuilder.cs"
 $aetheriaDaemonOperationsClient = Join-Path $AetheriaRoot "Packages\org.gamecult.aetheria.state\Runtime\AetheriaRuntimeDaemonOperationsClient.cs"
 if (-not (Test-Path $manifestPath)) {
@@ -43,6 +44,9 @@ if (-not (Test-Path $aetheriaSceneBridge)) {
 if (-not (Test-Path $aetheriaSceneProviderComponent)) {
   throw "Aetheria Eve Unity scene provider component not found: $aetheriaSceneProviderComponent"
 }
+if (-not (Test-Path $aetheriaSurfaceCatalog)) {
+  throw "Aetheria Eve surface catalog not found: $aetheriaSurfaceCatalog"
+}
 if (-not (Test-Path $aetheriaGameSurfaceBuilder)) {
   throw "Aetheria daemon game surface builder not found: $aetheriaGameSurfaceBuilder"
 }
@@ -131,6 +135,9 @@ foreach ($symbol in @(
   "Connect",
   "Disconnect",
   "SubmitCommand",
+  "ReadAdvertisedSurface",
+  "runtimeState.ProviderAdvertisement.Latest",
+  "WorldInteraction",
   "AetheriaEveRuntimeUnityHooks.RequireControl",
   "ToReceipt(request, daemonEnvelope)",
   "ToReceipt(request, envelope)"
@@ -167,6 +174,24 @@ foreach ($symbol in @(
   }
 }
 
+$surfaceCatalog = Get-Content -Raw -LiteralPath $aetheriaSurfaceCatalog
+foreach ($symbol in @(
+  "AetheriaRuntimeEveWorldInteractionAdvertisement",
+  "SurfaceKind",
+  "WorldInteraction",
+  "Find",
+  '"interactive-world"',
+  '"provider-authored-world-surface"',
+  '"provider-authored-world-editor-surface"',
+  '"unity-scene"',
+  "AetheriaRuntimeDaemonSchemas.EveCommandAcceptanceStatus",
+  '"provider-owns-world-state-assets-command-acceptance-and-receipts"'
+)) {
+  if (-not $surfaceCatalog.Contains($symbol)) {
+    throw "Aetheria Eve surface catalog missing advertised world-interaction symbol: $symbol"
+  }
+}
+
 $gameSurfaceBuilder = Get-Content -Raw -LiteralPath $aetheriaGameSurfaceBuilder
 foreach ($symbol in @(
   '"world.scene3d"',