refactor(core): convert more opencode tests to nodes (#34464)

packages/opencode/test/tool/write.test.ts

@@ -1,4 +1,5 @@
 import { afterEach, describe, expect } from "bun:test"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { Effect, Layer } from "effect"
 import path from "path"
 import fs from "fs/promises"
@@ -31,14 +32,8 @@ afterEach(async () => {
 })
 
 const it = testEffect(
-  Layer.mergeAll(
-    LSP.defaultLayer,
-    FSUtil.defaultLayer,
-    EventV2Bridge.defaultLayer,
-    Format.defaultLayer,
-    CrossSpawnSpawner.defaultLayer,
-    Truncate.defaultLayer,
-    Agent.defaultLayer,
+  LayerNode.compile(
+    LayerNode.group([LSP.node, FSUtil.node, EventV2Bridge.node, Format.node, CrossSpawnSpawner.node, Truncate.node, Agent.node]),
   ),
 )