feat(scout): materialize configured reference repos (#26692)

packages/opencode/test/session/snapshot-tool-race.test.ts

@@ -57,6 +57,7 @@ import { AppFileSystem } from "@opencode-ai/core/filesystem"
 import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
 import { Ripgrep } from "../../src/file/ripgrep"
 import { Format } from "../../src/format"
+import { Reference } from "../../src/reference/reference"
 
 void Log.init({ print: false })
 
@@ -131,6 +132,7 @@ function makeHttp() {
     Layer.provide(FetchHttpClient.layer),
     Layer.provide(CrossSpawnSpawner.defaultLayer),
     Layer.provide(Git.defaultLayer),
+    Layer.provide(Reference.defaultLayer),
     Layer.provide(Ripgrep.defaultLayer),
     Layer.provide(Format.defaultLayer),
     Layer.provideMerge(todo),