refactor(core): simplify integration test fixtures (#33292)

packages/core/test/session-projector.test.ts

@@ -21,10 +21,7 @@ import { SessionStore } from "@opencode-ai/core/session/store"
 import { SessionInputTable, SessionMessageTable, SessionTable } from "@opencode-ai/core/session/sql"
 import { testEffect } from "./lib/effect"
 
-const database = Database.layerFromPath(":memory:")
-const events = EventV2.layer.pipe(Layer.provide(database))
-const projector = SessionProjector.layer.pipe(Layer.provide(events), Layer.provide(database))
-const it = testEffect(Layer.mergeAll(database, events, projector))
+const it = testEffect(Layer.mergeAll(Database.defaultLayer, EventV2.defaultLayer, SessionProjector.defaultLayer))
 const sessionID = SessionV2.ID.make("ses_projector_test")
 const created = DateTime.makeUnsafe(0)
 const model = { id: ModelV2.ID.make("model"), providerID: ProviderV2.ID.make("provider") }
@@ -113,10 +110,10 @@ describe("SessionProjector", () => {
     }).pipe(
       Effect.provide(
         SessionV2.layer.pipe(
-          Layer.provide(events),
-          Layer.provide(database),
+          Layer.provide(EventV2.defaultLayer),
+          Layer.provide(Database.defaultLayer),
           Layer.provide(Project.defaultLayer),
-          Layer.provide(SessionStore.layer.pipe(Layer.provide(database))),
+          Layer.provide(SessionStore.defaultLayer),
           Layer.provide(SessionExecution.noopLayer),
         ),
       ),