stack: effectify-file-watcher-service (#17827)

packages/opencode/src/project/bootstrap.ts

@@ -1,7 +1,7 @@
 import { Plugin } from "../plugin"
 import { Format } from "../format"
 import { LSP } from "../lsp"
-import { FileWatcher } from "../file/watcher"
+import { FileWatcherService } from "../file/watcher"
 import { File } from "../file"
 import { Project } from "./project"
 import { Bus } from "../bus"
@@ -12,6 +12,7 @@ import { Log } from "@/util/log"
 import { ShareNext } from "@/share/share-next"
 import { Snapshot } from "../snapshot"
 import { Truncate } from "../tool/truncation"
+import { runPromiseInstance } from "@/effect/runtime"
 
 export async function InstanceBootstrap() {
   Log.Default.info("bootstrapping", { directory: Instance.directory })
@@ -19,7 +20,7 @@ export async function InstanceBootstrap() {
   ShareNext.init()
   Format.init()
   await LSP.init()
-  FileWatcher.init()
+  await runPromiseInstance(FileWatcherService.use((service) => service.init()))
   File.init()
   Vcs.init()
   Snapshot.init()

packages/opencode/src/project/instance.ts

@@ -101,6 +101,15 @@ export const Instance = {
     if (Instance.worktree === "/") return false
     return Filesystem.contains(Instance.worktree, filepath)
   },
+  /**
+   * Captures the current instance ALS context and returns a wrapper that
+   * restores it when called. Use this for callbacks that fire outside the
+   * instance async context (native addons, event emitters, timers, etc.).
+   */
+  bind<F extends (...args: any[]) => any>(fn: F): F {
+    const ctx = context.use()
+    return ((...args: any[]) => context.provide(ctx, () => fn(...args))) as F
+  },
   state<S>(init: () => S, dispose?: (state: Awaited<S>) => Promise<void>): () => S {
     return State.create(() => Instance.directory, init, dispose)
   },