feat: proper windows support

tests/script_test/verify_monorepo_launcher_shape.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+vite_launcher="$1"
+paraglide_launcher="$2"
+
+python3 - "${vite_launcher}" "${paraglide_launcher}" <<'PY'
+import json
+import pathlib
+import sys
+
+def read_spec(launcher: str):
+    path = pathlib.Path(launcher)
+    if path.suffix.lower() == ".cmd":
+        path = pathlib.Path(str(path)[:-4])
+    return json.loads(pathlib.Path(f"{path}.launcher.json").read_text())
+
+vite_spec = read_spec(sys.argv[1])
+paraglide_spec = read_spec(sys.argv[2])
+
+assert all(not root.startswith("../") for root in vite_spec["node_modules_roots"]), vite_spec
+assert "node_modules" in vite_spec["node_modules_roots"], vite_spec
+
+assert all(not root.startswith("../") for root in paraglide_spec["node_modules_roots"]), paraglide_spec
+assert "node_modules" in paraglide_spec["node_modules_roots"], paraglide_spec
+assert "packages/i18n/node_modules" in paraglide_spec["node_modules_roots"], paraglide_spec
+PY