test(core): simplify agent config layer wiring

packages/core/src/agent.ts

@@ -7,6 +7,7 @@ import { PermissionSchema } from "./permission/schema"
 import { ProviderV2 } from "./provider"
 import { PositiveInt } from "./schema"
 import { State } from "./state"
+import { LayerNode } from "./effect/layer-node"
 
 export const ID = Schema.String.pipe(Schema.brand("AgentV2.ID"))
 export type ID = typeof ID.Type
@@ -140,3 +141,4 @@ export const layer = Layer.effect(
 )
 
 export const locationLayer = layer
+export const node = LayerNode.make(layer, [])

packages/core/test/config/agent.test.ts

@@ -1,17 +1,18 @@
 import { describe, expect } from "bun:test"
 import fs from "fs/promises"
 import path from "path"
-import { Effect, Layer, Schema } from "effect"
+import { Effect, Schema } from "effect"
 import { AgentV2 } from "@opencode-ai/core/agent"
 import { Config } from "@opencode-ai/core/config"
 import { ConfigAgentPlugin } from "@opencode-ai/core/config/plugin/agent"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { FSUtil } from "@opencode-ai/core/fs-util"
 import { PermissionV2 } from "@opencode-ai/core/permission"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { tmpdir } from "../fixture/tmpdir"
 import { testEffect } from "../lib/effect"
 
-const it = testEffect(Layer.mergeAll(AgentV2.locationLayer, FSUtil.defaultLayer))
+const it = testEffect(LayerNode.buildLayer(LayerNode.group([AgentV2.node, FSUtil.node])))
 const decode = Schema.decodeUnknownSync(Config.Info)
 
 describe("ConfigAgentPlugin.Plugin", () => {

packages/core/test/project-copy.test.ts

@@ -3,23 +3,30 @@ import { $ } from "bun"
 import fs from "fs/promises"
 import path from "path"
 import { eq } from "drizzle-orm"
-import { Effect, Fiber, Stream } from "effect"
+import { Effect, Fiber, Layer, Stream } from "effect"
 import { AbsolutePath } from "@opencode-ai/core/schema"
+import { FSUtil } from "@opencode-ai/core/fs-util"
 import { Git } from "@opencode-ai/core/git"
 import { Database } from "@opencode-ai/core/database/database"
 import { EventV2 } from "@opencode-ai/core/event"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { Project } from "@opencode-ai/core/project"
 import { ProjectDirectoryTable, ProjectTable } from "@opencode-ai/core/project/sql"
 import { ProjectCopy } from "@opencode-ai/core/project/copy"
+import { ProjectDirectories } from "@opencode-ai/core/project/directories"
 import { tmpdir } from "./fixture/tmpdir"
 import { testEffect } from "./lib/effect"
 
-const it = testEffect(
-  LayerNode.buildLayer(LayerNode.group([ProjectCopy.node, Database.node, EventV2.node]), {
-    replacements: [LayerNode.replace(Database.node, Database.layerFromPath(":memory:"))],
-  }),
+const databaseLayer = Database.layerFromPath(":memory:")
+const eventLayer = EventV2.layer.pipe(Layer.provide(databaseLayer))
+const directoriesLayer = ProjectDirectories.layer.pipe(Layer.provide(databaseLayer))
+const copyLayer = ProjectCopy.layer.pipe(
+  Layer.provide(databaseLayer),
+  Layer.provide(directoriesLayer),
+  Layer.provide(eventLayer),
+  Layer.provide(FSUtil.defaultLayer),
+  Layer.provide(Git.defaultLayer),
 )
+const it = testEffect(Layer.mergeAll(copyLayer, databaseLayer, eventLayer, directoriesLayer))
 
 function abs(input: string) {
   return AbsolutePath.make(input)