diff --git a/rescript.json b/rescript.json
deleted file mode 100644
index b40124c..0000000
--- a/rescript.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  "name": "nesy-solver",
-  "version": "0.1.0",
-  "license": "MPL-2.0",
-  "sources": [
-    {
-      "dir": "src/web",
-      "subdirs": true
-    }
-  ],
-  "package-specs": [
-    {
-      "module": "esmodule",
-      "in-source": false
-    }
-  ],
-  "suffix": ".res.mjs",
-  "bs-dependencies": [],
-  "jsx": {
-    "version": 4,
-    "mode": "automatic"
-  },
-  "warnings": {
-    "error": "+101"
-  }
-}
diff --git a/src/web/App.affine b/src/web/App.affine
new file mode 100644
index 0000000..eb92faa
--- /dev/null
+++ b/src/web/App.affine
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: MPL-2.0
+// SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell
+// Ported via Harvard Engine bulk-processor
+
+module App;
+
+// TODO: Complete semantic implementation
diff --git a/src/web/App.res b/src/web/App.res
deleted file mode 100644
index 9bed1e2..0000000
--- a/src/web/App.res
+++ /dev/null
@@ -1,15 +0,0 @@
-// SPDX-License-Identifier: MPL-2.0
-// Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
-
-// Placeholder ReScript entry for E1.5 — will replace public/app.js once the
-// ReScript toolchain is wired. For E1, public/app.js handles the UI directly
-// so we can deploy a working preview without blocking on a full build pipeline.
-
-let version = "0.1.0"
-let phase = "E1 — static scaffold (ReScript wiring deferred to E1.5)"
-
-// Keep a simple hello function so the file compiles meaningfully when the
-// rescript compiler is invoked. It does nothing in the current build.
-let hello = () => {
-  Js.Console.log(`nesy-solver ${version} [${phase}]`)
-}