rebase generation

tools/lib/project-root.mjs

@@ -0,0 +1,15 @@
+/**
+ * Resolve the KIS-TOiR project root directory.
+ *
+ * Works from any module file in the tools/ directory by walking up
+ * relative to __dirname.
+ */
+
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+export function getProjectRoot() {
+  const __dirname = path.dirname(fileURLToPath(import.meta.url));
+  // From tools/lib, go up two levels: ../.. = project root
+  return path.resolve(path.join(__dirname, "..", ".."));
+}