feat(sync): harden the Hiboutik sync, share rate limits across instances, update dependencies (#4)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/hiboutik/sale.hiboutik.repository.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { HiboutikClient } from './hiboutik.client';
-import { SaleHiboutikDto } from '../models/hiboutikDTO/sale.hiboutik.dto';
+import { SaleHiboutikDto, saleHiboutikSchema } from '../models/hiboutikDTO/sale.hiboutik.dto';
 
 /** Reads sales from the Hiboutik API. */
 @Injectable()
@@ -8,12 +8,11 @@ export class SaleHiboutikRepository {
   constructor(private readonly hiboutikClient: HiboutikClient) {}
 
   /**
-   * Full sale, with its lines (Hiboutik answers with a one-element array).
+   * Full sale, with its lines.
    * @throws if the sale does not exist.
    */
   async getSaleById(id: number): Promise<SaleHiboutikDto> {
-    const data = await this.hiboutikClient.get<SaleHiboutikDto[]>('/sales/' + String(id));
-    const sale = data[0];
+    const sale = await this.hiboutikClient.getOne(`/sales/${id}`, saleHiboutikSchema);
     if (!sale) throw new Error(`Hiboutik sale ${id} not found`);
     return sale;
   }