finilize gl flow for export

apps/edr-freight-web/portal/src/services/contracts.service.ts

@@ -318,4 +318,19 @@ export const contractsService = {
     });
     return data.data ?? data;
   },
+
+  /** Customer attaches the payment slip for the GL final invoice (export). */
+  uploadFinalInvoiceSlip: async (
+    bookingId: string,
+    file: File,
+  ): Promise<{ uploaded: boolean }> => {
+    const form = new FormData();
+    form.append("file", file);
+    const { data } = await client.post(
+      C.BOOKING_FINAL_INVOICE_SLIP(bookingId),
+      form,
+      { headers: { "Content-Type": "multipart/form-data" } },
+    );
+    return data.data ?? data;
+  },
 };