From ee8aa03fa095504a4f9bf41b5f9747f551b7c579 Mon Sep 17 00:00:00 2001
From: euvre <93761161+euvre@users.noreply.github.com>
Date: Tue, 21 Jul 2026 10:40:59 +0800
Subject: [PATCH] fix(web): regenerate in multi-model chat uses the card's own
 state and model (#17126)

---
 web/src/components/message-input/next.tsx     |  4 +-
 .../chat/chat-box/next-multiple-chat-box.tsx  | 42 +++++++++++++------
 .../hooks/use-send-single-message.ts          |  1 +
 3 files changed, 33 insertions(+), 14 deletions(-)

diff --git a/web/src/components/message-input/next.tsx b/web/src/components/message-input/next.tsx
index edc623dc94..99e7315c90 100644
--- a/web/src/components/message-input/next.tsx
+++ b/web/src/components/message-input/next.tsx
@@ -23,8 +23,8 @@ import { SelectWithSearch } from '../originui/select-with-search';
 import { AudioButton } from '../ui/audio-button';
 
 export type NextMessageInputOnPressEnterParameter = {
-  enableThinking: string;
-  enableInternet: boolean;
+  enableThinking?: string;
+  enableInternet?: boolean;
 };
 
 interface NextMessageInputProps {
diff --git a/web/src/pages/next-chats/chat/chat-box/next-multiple-chat-box.tsx b/web/src/pages/next-chats/chat/chat-box/next-multiple-chat-box.tsx
index 6b04b85a75..c8a83ca7f1 100644
--- a/web/src/pages/next-chats/chat/chat-box/next-multiple-chat-box.tsx
+++ b/web/src/pages/next-chats/chat/chat-box/next-multiple-chat-box.tsx
@@ -18,6 +18,7 @@ import {
 import { MessageType } from '@/constants/chat';
 import {
   useHandleMessageInputChange,
+  useRegenerateMessage,
   useScrollToBottom,
 } from '@/hooks/logic-hooks';
 import {
@@ -27,7 +28,7 @@ import {
 } from '@/hooks/use-chat-request';
 import { useFindLlmByUuid } from '@/hooks/use-llm-request';
 import { useFetchUserInfo } from '@/hooks/use-user-setting-request';
-import { IClientConversation } from '@/interfaces/database/chat';
+import { IClientConversation, IMessage } from '@/interfaces/database/chat';
 import { buildMessageUuidWithRole } from '@/utils/chat';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { t } from 'i18next';
@@ -50,7 +51,6 @@ import {
 } from '../../hooks/use-button-disabled';
 import { useCreateConversationBeforeSendMessage } from '../../hooks/use-chat-url';
 import { useCreateConversationBeforeUploadDocument } from '../../hooks/use-create-conversation';
-import { useSendMessage } from '../../hooks/use-send-chat-message';
 import {
   HandlePressEnterType,
   useSendSingleMessage,
@@ -105,16 +105,20 @@ const ChatCard = forwardRef(function ChatCard(
   const { id: dialogId } = useParams();
   const { patchChat } = usePatchChat();
 
-  const { removeMessageById, derivedMessages, handlePressEnter, sendLoading } =
-    useSendSingleMessage({
-      controller,
-      value,
-      setValue,
-      files,
-      clearFiles,
-    });
-
-  const { regenerateMessage } = useSendMessage(controller);
+  const {
+    removeMessageById,
+    derivedMessages,
+    handlePressEnter,
+    sendLoading,
+    sendMessage,
+    removeMessagesAfterCurrentMessage,
+  } = useSendSingleMessage({
+    controller,
+    value,
+    setValue,
+    files,
+    clearFiles,
+  });
 
   const messageContainerRef = useRef<HTMLDivElement>(null);
 
@@ -131,6 +135,20 @@ const ChatCard = forwardRef(function ChatCard(
 
   const llmId = useWatch({ control: form.control, name: 'llm_id' });
 
+  // Regenerate within this card: reuse the card's own message state and
+  // resend with the card's model settings (llm_id, temperature, ...).
+  const sendCardMessage = useCallback(
+    ({ message, messages }: { message: IMessage; messages?: IMessage[] }) =>
+      sendMessage({ message, messages, ...form.getValues() }),
+    [sendMessage, form],
+  );
+
+  const { regenerateMessage } = useRegenerateMessage({
+    removeMessagesAfterCurrentMessage,
+    sendMessage: sendCardMessage,
+    messages: derivedMessages,
+  });
+
   const { data: userInfo } = useFetchUserInfo();
   const { data: currentDialog } = useFetchChat();
   const findLlmByUuid = useFindLlmByUuid();
diff --git a/web/src/pages/next-chats/hooks/use-send-single-message.ts b/web/src/pages/next-chats/hooks/use-send-single-message.ts
index abc3442401..fa6507685f 100644
--- a/web/src/pages/next-chats/hooks/use-send-single-message.ts
+++ b/web/src/pages/next-chats/hooks/use-send-single-message.ts
@@ -157,6 +157,7 @@ export function useSendSingleMessage({
     removeMessageById,
     removeMessagesAfterCurrentMessage,
     handlePressEnter,
+    sendMessage,
     sendLoading: !done,
   };
 }