refactor(config): migrate Server + Layout to Effect Schema (#23216)

packages/opencode/src/config/layout.ts

@@ -0,0 +1,10 @@
+import { Schema } from "effect"
+import { zod } from "@/util/effect-zod"
+import { withStatics } from "@/util/schema"
+
+export const Layout = Schema.Literals(["auto", "stretch"])
+  .annotate({ identifier: "LayoutConfig" })
+  .pipe(withStatics((s) => ({ zod: zod(s) })))
+export type Layout = Schema.Schema.Type<typeof Layout>
+
+export * as ConfigLayout from "./layout"