docs: add JSDoc headers to all externally exported store functions

src/store/article/setPricesBySku.js

@@ -42,6 +42,17 @@ function normalizePrices(prices) {
   return normalized;
 }
 
+/**
+ * Replaces the price list of an article by its SKU.
+ *
+ * @param {object} pool - The mssql connection pool.
+ * @returns {Function} An async function that sets article prices.
+ *
+ * @example
+ * const fn = setPricesBySku(pool);
+ * const article = await fn(42, 'SKU-1', [{ price: 1.5, tax: 19, minmultiplier: 1 }]);
+ * // => { id, sku, name, ... }
+ */
 export default function setPricesBySku(pool) {
   const resolve = resolveArticleBySku(pool);
   const ensureTax = taxEnsure(pool);