save this, it does work

src/paperless_migration/views.py

@@ -0,0 +1,46 @@
+from pathlib import Path
+
+from django.contrib import messages
+from django.contrib.auth.decorators import login_required
+from django.http import HttpResponseForbidden
+from django.shortcuts import redirect
+from django.shortcuts import render
+from django.views.decorators.http import require_http_methods
+
+from paperless_migration import settings
+
+
+@login_required
+@require_http_methods(["GET", "POST"])
+def migration_home(request):
+    if not request.user.is_superuser:
+        return HttpResponseForbidden("Superuser access required")
+
+    export_path = Path(settings.MIGRATION_EXPORT_PATH)
+    transformed_path = Path(settings.MIGRATION_TRANSFORMED_PATH)
+
+    if request.method == "POST":
+        action = request.POST.get("action")
+        if action == "check":
+            messages.success(request, "Checked export paths.")
+        elif action == "transform":
+            messages.info(
+                request,
+                "Transform step is not implemented yet.",
+            )
+        elif action == "import":
+            messages.info(
+                request,
+                "Import step is not implemented yet.",
+            )
+        else:
+            messages.error(request, "Unknown action.")
+        return redirect("migration_home")
+
+    context = {
+        "export_path": export_path,
+        "export_exists": export_path.exists(),
+        "transformed_path": transformed_path,
+        "transformed_exists": transformed_path.exists(),
+    }
+    return render(request, "paperless_migration/migration_home.html", context)