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

packages/opencode/src/project/instance.ts

@@ -1,36 +0,0 @@
-import { context, type InstanceContext } from "./instance-context"
-
-export type { InstanceContext } from "./instance-context"
-
-export const Instance = {
-  get current() {
-    return context.use()
-  },
-  get directory() {
-    return context.use().directory
-  },
-  get worktree() {
-    return context.use().worktree
-  },
-  get project() {
-    return context.use().project
-  },
-
-  /**
-   * 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
-  },
-  /**
-   * Run a synchronous function within the given instance context ALS.
-   * Use this to bridge from Effect (where InstanceRef carries context)
-   * back to sync code that reads Instance.directory from ALS.
-   */
-  restore<R>(ctx: InstanceContext, fn: () => R): R {
-    return context.provide(ctx, fn)
-  },
-}

packages/opencode/src/project/with-instance.ts

@@ -1,12 +1,12 @@
 import { AppRuntime } from "@/effect/app-runtime"
-import { context } from "./instance-context"
+import type { InstanceContext } from "./instance-context"
 import { InstanceStore } from "./instance-store"
 
-export async function provide<R>(input: { directory: string; fn: () => R }): Promise<R> {
+export async function provide<R>(input: { directory: string; fn: (ctx: InstanceContext) => R }): Promise<R> {
   const ctx = await AppRuntime.runPromise(
     InstanceStore.Service.use((store) => store.load({ directory: input.directory })),
   )
-  return context.provide(ctx, () => input.fn())
+  return input.fn(ctx)
 }
 
 export * as WithInstance from "./with-instance"