effectify Bus service: migrate to Effect PubSub + InstanceState (#18579)

packages/opencode/src/tool/write.ts

@@ -7,6 +7,7 @@ import DESCRIPTION from "./write.txt"
 import { Bus } from "../bus"
 import { File } from "../file"
 import { FileWatcher } from "../file/watcher"
+import { Format } from "../format"
 import { FileTime } from "../file/time"
 import { Filesystem } from "../util/filesystem"
 import { Instance } from "../project/instance"
@@ -42,9 +43,8 @@ export const WriteTool = Tool.define("write", {
     })
 
     await Filesystem.write(filepath, params.content)
-    await Bus.publish(File.Event.Edited, {
-      file: filepath,
-    })
+    await Format.file(filepath)
+    Bus.publish(File.Event.Edited, { file: filepath })
     await Bus.publish(FileWatcher.Event.Updated, {
       file: filepath,
       event: exists ? "change" : "add",