fix: normalize campaign product size suffixes

backend/test/stockMapper.test.js

@@ -0,0 +1,23 @@
+const assert = require('node:assert/strict');
+const test = require('node:test');
+
+const { getBaseProductName } = require('../mappers/stockMapper');
+
+test('getBaseProductName strips TAMANHO suffixes', () => {
+    assert.equal(
+        getBaseProductName('BASE LISA CAMISETA COR BRANCO TAMANHO - P'),
+        'BASE LISA CAMISETA COR BRANCO'
+    );
+});
+
+test('getBaseProductName strips trailing size suffixes without removing colors', () => {
+    assert.equal(
+        getBaseProductName('BASE LISA MOLETOM CANGURU COR PRETO - M'),
+        'BASE LISA MOLETOM CANGURU COR PRETO'
+    );
+    assert.equal(
+        getBaseProductName('BASE LISA MOLETOM CANGURU COR PRETO - M/G/GG'),
+        'BASE LISA MOLETOM CANGURU COR PRETO'
+    );
+    assert.equal(getBaseProductName('BONÉ - BRANCO'), 'BONÉ - BRANCO');
+});