initial commit

src/common/helpers/tracking-code.helper.ts

@@ -0,0 +1,11 @@
+import { randomBytes } from 'crypto';
+import { TRACKING_CODE_PREFIX } from '../constants/app.constants';
+
+/**
+ * Generates a unique, human-readable tracking code per inquiry.
+ */
+export function generateTrackingCode(): string {
+  const date = new Date().toISOString().slice(0, 10).replace(/-/g, '');
+  const suffix = randomBytes(4).toString('hex').toUpperCase();
+  return `${TRACKING_CODE_PREFIX}-${date}-${suffix}`;
+}