refactor: move instance loading into service

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

@@ -11,7 +11,7 @@ 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"
+import { Instance, instanceStoreDefaultLayer } from "../../src/project/instance"
 import { Project } from "../../src/project/project"
 import { disposeMiddleware, markInstanceForDisposal } from "../../src/server/routes/instance/httpapi/lifecycle"
 import { instanceRouterMiddleware } from "../../src/server/routes/instance/httpapi/middleware/instance-context"
@@ -40,6 +40,7 @@ const it = testEffect(
     testStateLayer,
     NodeHttpServer.layerTest,
     NodeServices.layer,
+    instanceStoreDefaultLayer,
     Project.defaultLayer,
     Workspace.defaultLayer,
   ),