refactor(bash): use Effect ChildProcess for bash tool execution (#20496)

packages/opencode/src/effect/cross-spawn-spawner.ts

@@ -488,3 +488,14 @@ export const layer: Layer.Layer<ChildProcessSpawner, never, FileSystem.FileSyste
 )
 
 export const defaultLayer = layer.pipe(Layer.provide(NodeFileSystem.layer), Layer.provide(NodePath.layer))
+
+import { lazy } from "@/util/lazy"
+
+const rt = lazy(() => {
+  // Dynamic import to avoid circular dep: cross-spawn-spawner → run-service → Instance → project → cross-spawn-spawner
+  const { makeRuntime } = require("@/effect/run-service") as typeof import("@/effect/run-service")
+  return makeRuntime(ChildProcessSpawner, defaultLayer)
+})
+
+export const runPromiseExit: ReturnType<typeof rt>["runPromiseExit"] = (...args) => rt().runPromiseExit(...(args as [any]))
+export const runPromise: ReturnType<typeof rt>["runPromise"] = (...args) => rt().runPromise(...(args as [any]))