fix: preserve growth task label

web/static/js/page-dashboard-v2.js

@@ -417,6 +417,9 @@ let priceChartInstance = null;
             const limit = Number(trigger.dataset.limit || 60);
             trigger.disabled = running;
             trigger.classList.toggle('is-loading', running);
+            if (trigger.dataset.preserveLabel === 'true') {
+                return;
+            }
             trigger.innerHTML = running
                 ? '<i class="fas fa-spinner fa-spin"></i> 執行中'
                 : `<i class="fas fa-search"></i> 補強 ${limit} 筆`;