chore(opencode): remove scout agent (#30435)

packages/opencode/test/tool/glob.test.ts

@@ -39,7 +39,7 @@ const toolLayer = (flags: Partial<RuntimeFlags.Info> = {}) =>
   )
 
 const it = testEffect(toolLayer())
-const scout = testEffect(toolLayer({ experimentalScout: true }))
+const references = testEffect(toolLayer({ experimentalReferences: true }))
 
 const ctx = {
   sessionID: SessionID.make("ses_test"),
@@ -143,7 +143,7 @@ describe("tool.glob", () => {
     }),
   )
 
-  scout.instance(
+  references.instance(
     "does not ask for external_directory permission inside configured git references",
     () =>
       Effect.gen(function* () {