fix: title case campaign product names

backend/services/campaignFormatter.js

@@ -1,9 +1,19 @@
+const formatProductNameForDisplay = (name) => {
+    return String(name || '')
+        .toLocaleLowerCase('pt-BR')
+        .replace(/(^|[\s/-])(\p{L})/gu, (_, separator, letter) => {
+            return `${separator}${letter.toLocaleUpperCase('pt-BR')}`;
+        });
+};
+
 const formatProductList = (productNames) => {
-    if (productNames.length <= 2) {
+    const displayNames = productNames.map(formatProductNameForDisplay);
-        return productNames.join(' e ');
+
+    if (displayNames.length <= 2) {
+        return displayNames.join(' e ');
     }
 
-    return `${productNames.slice(0, -1).join(', ')} e ${productNames[productNames.length - 1]}`;
+    return `${displayNames.slice(0, -1).join(', ')} e ${displayNames[displayNames.length - 1]}`;
 };
 
 const groupCampaignRowsByBaseProduct = (rows) => {
@@ -23,7 +33,7 @@ const mapCampaignProducts = (groups) => {
             const sortedItems = [...items].sort((a, b) => String(a.nome).localeCompare(String(b.nome), 'pt-BR'));
 
             return {
-                baseProduct: baseProductName,
+                baseProduct: formatProductNameForDisplay(baseProductName),
                 total_delta: sortedItems.reduce((sum, item) => sum + Number(item.delta_estoque || 0), 0),
                 sizes: sortedItems.map(item => ({
                     id: item.produto_id,
@@ -85,6 +95,7 @@ const groupCampaignRows = (rows) => {
 
 module.exports = {
     buildWhatsappCampaignPayload,
+    formatProductNameForDisplay,
     formatProductList,
     groupCampaignRows,
     groupCampaignRowsByBaseProduct,

backend/test/campaignFormatter.test.js

@@ -3,6 +3,7 @@ const assert = require('node:assert/strict');
 const {
     buildWhatsappCampaignPayload,
     formatProductList,
+    formatProductNameForDisplay,
     groupCampaignRows,
     groupCampaignRowsByBaseProduct,
     mapCampaignProducts
@@ -26,14 +27,22 @@ const row = (overrides) => ({
 
 test('formatProductList uses Portuguese list joining', () => {
     assert.equal(formatProductList([]), '');
-    assert.equal(formatProductList(['BONÉ - PRETO']), 'BONÉ - PRETO');
+    assert.equal(formatProductList(['BONÉ - PRETO']), 'Boné - Preto');
-    assert.equal(formatProductList(['BONÉ - PRETO', 'BASE BRANCA']), 'BONÉ - PRETO e BASE BRANCA');
+    assert.equal(formatProductList(['BONÉ - PRETO', 'BASE BRANCA']), 'Boné - Preto e Base Branca');
     assert.equal(
         formatProductList(['BONÉ - PRETO', 'BASE BRANCA', 'BASE PRETA']),
-        'BONÉ - PRETO, BASE BRANCA e BASE PRETA'
+        'Boné - Preto, Base Branca e Base Preta'
     );
 });
 
+test('formatProductNameForDisplay converts campaign product names to title case', () => {
+    assert.equal(
+        formatProductNameForDisplay('BASE LISA MOLETOM CANGURU COR PRETO'),
+        'Base Lisa Moletom Canguru Cor Preto'
+    );
+    assert.equal(formatProductNameForDisplay('BONÉ - BRANCO'), 'Boné - Branco');
+});
+
 test('mapCampaignProducts accumulates split deltas by base product', () => {
     const groups = groupCampaignRowsByBaseProduct([
         row({ id: 1, delta_estoque: 10, produto_id: 'SKU-P', nome: 'Produto Split TAMANHO - P' }),
@@ -70,7 +79,7 @@ test('buildWhatsappCampaignPayload combines multiple ready products into one mes
     ]));
     const payload = buildWhatsappCampaignPayload(products, [{ nome: 'Cliente', fone: '5511999999999' }]);
 
-    assert.equal(payload.productsText, 'BONÉ - PRETO e BASE LISA CAMISETA COR BRANCO');
+    assert.equal(payload.productsText, 'Boné - Preto e Base Lisa Camiseta Cor Branco');
     assert.equal(payload.baseProduct, payload.productsText);
     assert.equal(payload.total_delta, 200);
     assert.equal(payload.products.length, 2);