Add Effect-native core event system (#27415)

packages/core/test/plugin/provider-opencode.test.ts

@@ -1,7 +1,7 @@
 import { describe, expect } from "bun:test"
 import { DateTime, Effect, Layer, Option } from "effect"
 import { Catalog } from "@opencode-ai/core/catalog"
-import { Instance } from "@opencode-ai/core/instance"
+import { Location } from "@opencode-ai/core/location"
 import { ModelV2 } from "@opencode-ai/core/model"
 import { PluginV2 } from "@opencode-ai/core/plugin"
 import { OpencodePlugin } from "@opencode-ai/core/plugin/provider/opencode"
@@ -9,7 +9,7 @@ import { ProviderV2 } from "@opencode-ai/core/provider"
 import { it, model, provider, withEnv } from "./provider-helper"
 
 const cost = (input: number, output = 0) => [{ input, output, cache: { read: 0, write: 0 } }]
-const instanceLayer = Layer.succeed(Instance.Service, Instance.Service.of({ directory: "test" }))
+const locationLayer = Layer.succeed(Location.Service, Location.Service.of({ directory: "test" }))
 
 describe("OpencodePlugin", () => {
   it.effect("uses a public key and cancels paid models without credentials", () =>
@@ -192,6 +192,6 @@ describe("OpencodePlugin", () => {
       const selected = yield* catalog.model.small(providerID)
 
       expect(Option.getOrUndefined(selected)?.id).toBe(ModelV2.ID.make("gpt-5-nano"))
-    }).pipe(Effect.provide(Catalog.defaultLayer.pipe(Layer.provide(instanceLayer)))),
+    }).pipe(Effect.provide(Catalog.defaultLayer.pipe(Layer.provide(locationLayer)))),
   )
 })