From fa3160f67e95c9af0b83e25bec0e0ad3880a7aac Mon Sep 17 00:00:00 2001
From: Kunthawat Greethong <kunthawat@Kunthawats-MacBook-Pro.local>
Date: Wed, 17 Jun 2026 19:37:55 +0700
Subject: [PATCH] fix: show visible error alert when survey fails (e.g.
 simulation env not running)

---
 frontend/src/components/Step5Interaction.vue | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

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
   }