Construct placement directly across the facade

internal/engine/layered.go

@@ -8,7 +8,7 @@ type Input struct {
 	Imports       bool
 	Filesystem    *FilesystemContext
 	Destination   Path
-	placementMode placementMode
+	PlacementMode PlacementMode
 }
 
 // Underlay contains strictly composed contributions at one precedence tier.
@@ -38,7 +38,7 @@ func LoadLayered[T any](main Input, secrets SecretBinding, supplied ...LayeredOp
 	request := loadRequest[T]{
 		main: loadInput{
 			source: main.Source, imports: main.Imports, filesystem: main.Filesystem,
-			destination: main.Destination.clone(), placementMode: main.placementMode,
+			destination: main.Destination.clone(), placementMode: main.PlacementMode,
 		},
 		definition: options.Definition, sourceVersionMode: options.SourceVersionMode,
 		importDefaults:    options.ImportDefaults,
@@ -52,7 +52,7 @@ func LoadLayered[T any](main Input, secrets SecretBinding, supplied ...LayeredOp
 		for inputIndex, input := range underlay.Inputs {
 			request.underlays[index].inputs[inputIndex] = loadInput{
 				source: input.Source, imports: input.Imports, filesystem: input.Filesystem,
-				destination: input.Destination.clone(), placementMode: input.placementMode,
+				destination: input.Destination.clone(), placementMode: input.PlacementMode,
 			}
 		}
 	}