diff --git a/frontend/src/components/Step5Interaction.vue b/frontend/src/components/Step5Interaction.vue
index 9eb791a..7c5999c 100644
--- a/frontend/src/components/Step5Interaction.vue
+++ b/frontend/src/components/Step5Interaction.vue
@@ -862,10 +862,14 @@ const submitSurvey = async () => {
       surveyResults.value = surveyResultsList
       addLog(t('log.receivedReplies', { count: surveyResults.value.length }))
     } else {
-      throw new Error(res.error || t('step5.requestFailed'))
+      const errMsg = res.error || t('step5.requestFailed')
+      addLog(`❌ ${errMsg}`)
+      alert(errMsg)
     }
   } catch (err) {
-    addLog(t('log.surveySendFailed', { error: err.message }))
+    const errMsg = err.message || t('step5.requestFailed')
+    addLog(`❌ ${t('log.surveySendFailed', { error: errMsg })}`)
+    alert(`Survey failed: ${errMsg}`)
   } finally {
     isSurveying.value = false
   }