fixed regressed parsing, tool sanitation

tests/helpers.ts

@@ -0,0 +1,30 @@
+import * as fs from "node:fs";
+import * as path from "node:path";
+import * as os from "node:os";
+
+// ─── Helpers ────────────────────────────────────────────────────────────────
+
+/**
+ * Create a temporary directory for test files.
+ * Returns the path and a cleanup function.
+ */
+export function tempDir(): { dir: string; cleanup: () => void } {
+	const dir = fs.mkdtempSync(path.join(os.tmpdir(), "ralpi-test-"));
+	return {
+		dir,
+		cleanup: () => fs.rmSync(dir, { recursive: true, force: true }),
+	};
+}
+
+/**
+ * Write content to a temp markdown file and return its path.
+ */
+export function writeTaskFile(
+	dir: string,
+	name: string,
+	content: string,
+): string {
+	const filePath = path.join(dir, name);
+	fs.writeFileSync(filePath, content, "utf-8");
+	return filePath;
+}