From da12e3e0350acef2e067479f37fe395b21d73947 Mon Sep 17 00:00:00 2001
From: wcqqq1214 <wcqqq1214@gmail.com>
Date: Sun, 26 Jul 2026 18:18:24 +0800
Subject: [PATCH] fix: use current provider selection when regenerating chat
 message

Basic retry sent an empty provider, so the backend fell back to the stale persisted provider. Fall back to the current UI selection, matching send behavior.

Closes #9400
---
 dashboard/src/components/chat/Chat.vue | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dashboard/src/components/chat/Chat.vue b/dashboard/src/components/chat/Chat.vue
index 43f9a6c2a1..0810cc929d 100644
--- a/dashboard/src/components/chat/Chat.vue
+++ b/dashboard/src/components/chat/Chat.vue
@@ -1459,11 +1459,12 @@ async function handleRegenerateMessage(
 ) {
   if (!currSessionId.value || isUserMessage(message)) return;
   message.threads = [];
+  const effectiveSelection = selection ?? getSelectedProviderSelection();
   await regenerateMessage(
     currSessionId.value,
     message,
-    selection?.providerId || "",
-    selection?.modelName || "",
+    effectiveSelection?.providerId || "",
+    effectiveSelection?.modelName || "",
     enableStreaming.value,
   );
 }