refactor(instance): remove legacy runtime fallback (#27757)

packages/opencode/src/effect/instance-state.ts

@@ -1,8 +1,6 @@
-import { Effect, Fiber, ScopedCache, Scope, Context } from "effect"
+import { Effect, ScopedCache, Scope } from "effect"
 import * as EffectLogger from "@opencode-ai/core/effect/logger"
-import { Instance } from "@/project/instance"
 import type { InstanceContext } from "@/project/instance-context"
-import { LocalContext } from "@/util/local-context"
 import { InstanceRef, WorkspaceRef } from "./instance-ref"
 import { registerDisposer } from "./instance-registry"
 import { WorkspaceContext } from "@/control-plane/workspace-context"
@@ -14,20 +12,10 @@ export interface InstanceState<A, E = never, R = never> {
   readonly cache: ScopedCache.ScopedCache<string, A, E, R>
 }
 
-export const bind = <F extends (...args: any[]) => any>(fn: F): F => {
-  try {
-    return Instance.bind(fn)
-  } catch (err) {
-    if (!(err instanceof LocalContext.NotFound)) throw err
-  }
-  const fiber = Fiber.getCurrent()
-  const ctx = fiber ? Context.getReferenceUnsafe(fiber.context, InstanceRef) : undefined
-  if (!ctx) return fn
-  return ((...args: any[]) => Instance.restore(ctx, () => fn(...args))) as F
-}
-
 export const context = Effect.gen(function* () {
-  return (yield* InstanceRef) ?? Instance.current
+  const ctx = yield* InstanceRef
+  if (!ctx) return yield* Effect.die(new Error("InstanceRef not provided"))
+  return ctx
 })
 
 export const workspaceID = Effect.gen(function* () {