refactor(core): consolidate filesystem services (#30447)

packages/opencode/src/mcp/index.ts

@@ -18,7 +18,7 @@ import * as Log from "@opencode-ai/core/util/log"
 import { NamedError } from "@opencode-ai/core/util/error"
 import { InstallationVersion } from "@opencode-ai/core/installation/version"
 import { withTimeout } from "@/util/timeout"
-import { AppFileSystem } from "@opencode-ai/core/filesystem"
+import { FSUtil } from "@opencode-ai/core/fs-util"
 import { McpOAuthProvider, OAUTH_CALLBACK_PATH } from "./oauth-provider"
 import { McpOAuthCallback } from "./oauth-callback"
 import { McpAuth } from "./auth"
@@ -975,7 +975,7 @@ export const defaultLayer = layer.pipe(
   Layer.provide(EventV2Bridge.defaultLayer),
   Layer.provide(Config.defaultLayer),
   Layer.provide(CrossSpawnSpawner.defaultLayer),
-  Layer.provide(AppFileSystem.defaultLayer),
+  Layer.provide(FSUtil.defaultLayer),
 )
 
 export * as MCP from "."