fix: preserve workspace adapter context

packages/opencode/test/server/httpapi-instance-context.test.ts

@@ -1,4 +1,5 @@
 import { NodeHttpServer, NodeServices } from "@effect/platform-node"
+import type { WorkspaceAdapter } from "@opencode-ai/plugin"
 import { Flag } from "@opencode-ai/core/flag/flag"
 import { GlobalBus } from "@/bus/global"
 import { describe, expect } from "bun:test"
@@ -8,7 +9,6 @@ import * as Socket from "effect/unstable/socket/Socket"
 import { mkdir } from "node:fs/promises"
 import path from "node:path"
 import { registerAdapter } from "../../src/control-plane/adapters"
-import type { WorkspaceAdapter } from "../../src/control-plane/types"
 import { Workspace } from "../../src/control-plane/workspace"
 import { InstanceRef, WorkspaceRef } from "../../src/effect/instance-ref"
 import { Instance } from "../../src/project/instance"