rule engine and configration and fix booking for custoemr

apps/edr-freight-api/src/common/utils/generate-code.util.ts

@@ -0,0 +1,15 @@
+/**
+ * Derives a stable, uppercase, underscore-separated code from a human-readable name.
+ *
+ * Examples:
+ *   "Hazard Surcharge"  → "HAZARD_SURCHARGE"
+ *   "20ft Dry Container" → "20FT_DRY_CONTAINER"
+ *   "Kality Yard (ET)"   → "KALITY_YARD_ET"
+ */
+export function generateCode(name: string): string {
+  return name
+    .trim()
+    .toUpperCase()
+    .replace(/[^A-Z0-9]+/g, '_')
+    .replace(/^_+|_+$/g, '');
+}