refactor(opencode): remove core service layer exports (#34518)

packages/opencode/src/tool/truncate.ts

@@ -46,7 +46,7 @@ export interface Interface {
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/Truncate") {}
 
-export const layer = Layer.effect(
+const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const fs = yield* FSUtil.Service
@@ -151,8 +151,6 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(Layer.provide(FSUtil.defaultLayer), Layer.provide(NodePath.layer))
-
 export const node = LayerNode.make({ service: Service, layer: layer, deps: [FSUtil.node] })
 
 export * as Truncate from "./truncate"