feat: add wagon usage computation and maintenance logging features

- Implemented  utility to calculate wagon usage metrics for train schedules.
- Created  for sending wagons to maintenance with optional notes.
- Added unit tests for train builder maintenance functionalities, including formatting train run labels and building maintenance notes.
- Developed  component for merging train schedules with detailed previews and reasons for merging.
- Introduced  component for selecting wagons with search functionality and selection limits.
- Created  for displaying and filtering audit logs, including detailed views of individual log entries.
- Added  for handling API interactions related to audit logs, including fetching logs and entity types.

packages/types/src/freight/clearance-files.catalog.ts

@@ -156,6 +156,48 @@ export function transitPermitFileLabel(code: string, index?: number): string {
   return code;
 }
 
+/** Legacy single Delivery Order code (pre multi-file uploads). */
+export const LEGACY_DELIVERY_ORDER_CODE = "delivery_order";
+
+/** Multi-file Delivery Order uploads use `delivery_order_0`, `delivery_order_1`, … */
+export const DELIVERY_ORDER_FILE_PREFIX = "delivery_order_";
+
+export function isDeliveryOrderFileCode(code: string | null | undefined): boolean {
+  if (!code) return false;
+  const lower = code.toLowerCase();
+  return lower === LEGACY_DELIVERY_ORDER_CODE || lower.startsWith(DELIVERY_ORDER_FILE_PREFIX);
+}
+
+export function deliveryOrderFileLabel(code: string, index?: number): string {
+  const lower = code.toLowerCase();
+  if (lower === LEGACY_DELIVERY_ORDER_CODE) return "Delivery Order";
+  if (lower.startsWith(DELIVERY_ORDER_FILE_PREFIX)) {
+    return index != null ? `Delivery Order ${index + 1}` : "Delivery Order";
+  }
+  return code;
+}
+
+/** Legacy single Release Order code (pre multi-file uploads). */
+export const LEGACY_RELEASE_ORDER_CODE = "release_order";
+
+/** Multi-file Release Order uploads use `release_order_0`, `release_order_1`, … */
+export const RELEASE_ORDER_FILE_PREFIX = "release_order_";
+
+export function isReleaseOrderFileCode(code: string | null | undefined): boolean {
+  if (!code) return false;
+  const lower = code.toLowerCase();
+  return lower === LEGACY_RELEASE_ORDER_CODE || lower.startsWith(RELEASE_ORDER_FILE_PREFIX);
+}
+
+export function releaseOrderFileLabel(code: string, index?: number): string {
+  const lower = code.toLowerCase();
+  if (lower === LEGACY_RELEASE_ORDER_CODE) return "Release Order";
+  if (lower.startsWith(RELEASE_ORDER_FILE_PREFIX)) {
+    return index != null ? `Release Order ${index + 1}` : "Release Order";
+  }
+  return code;
+}
+
 /** Legacy single T1 code (GL post-booking uploader). */
 export const LEGACY_T1_TRANSPORT_CODE = "t1_transport_document";