feat: implement wagon transfer management modals and page

- Add TransferFulfillModal for fulfilling wagon transfer requests.
- Create TransferRequestFormModal for filing new wagon transfer requests.
- Introduce TransferCloseShortModal for closing requests that cannot be fully fulfilled.
- Develop WagonTransfersPage to manage and display wagon transfer requests.
- Implement utility functions for handling wagon transfer request data and UI components.
- Enhance UI with Mantine components for better user experience.

apps/edr-freight-api/src/modules/wagons/entities/wagon-transfer-request.entity.ts

@@ -40,6 +40,14 @@ export class WagonTransferRequest extends BaseEntity {
   @Column({ name: 'quantity', type: 'int' })
   quantity!: number;
 
+  /**
+   * How many have actually moved so far. OCC sends what the yard can spare,
+   * whenever it can — the request stays open until this reaches `quantity` or
+   * OCC closes it short.
+   */
+  @Column({ name: 'fulfilled_quantity', type: 'int', default: 0 })
+  fulfilledQuantity!: number;
+
   @Column({
     name: 'status',
     type: 'varchar',
@@ -54,9 +62,17 @@ export class WagonTransferRequest extends BaseEntity {
   @Column({ name: 'fulfilled_by_user_id', type: 'uuid', nullable: true })
   fulfilledByUserId?: string | null;
 
+  /** When the LAST transfer against this request ran (not necessarily the full count). */
   @Column({ name: 'fulfilled_at', type: 'timestamptz', nullable: true })
   fulfilledAt?: Date | null;
 
+  /** Set when OCC ended the request with fewer wagons than asked for. */
+  @Column({ name: 'closed_short_at', type: 'timestamptz', nullable: true })
+  closedShortAt?: Date | null;
+
+  @Column({ name: 'closed_short_by_user_id', type: 'uuid', nullable: true })
+  closedShortByUserId?: string | null;
+
   @Column({ name: 'note', type: 'text', nullable: true })
   note?: string | null;