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fix: Fix stop issue when stop in the UI - stop in the mastra BE #64

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Merged
KayTV merged 1 commit into from
Nov 26, 2025
Merged

fix: Fix stop issue when stop in the UI - stop in the mastra BE #64

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23 changes: 23 additions & 0 deletions app/(chat)/api/mastra-proxy/route.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,29 @@ export async function POST(request: Request) {
// Forward the request body to Mastra backend
const body = await request.json();

// Check if the request is to stop the chat
if (body.action === 'stopChat') {
// Call the Mastra API to stop the chat with threadId and resourceId
console.log('Stopping chat for thread:', body.threadId, 'and resource:', body.resourceId);
const stopResponse = await fetch(`${mastraServerUrl}/stop-chat`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
threadId: body.threadId,
resourceId: body.resourceId,
}),
});

console.log('Stop response:', stopResponse);

return new Response(stopResponse.body, {
status: stopResponse.status,
headers: stopResponse.headers,
});
}

const response = await fetch(`${mastraServerUrl}/chat`, {
method: 'POST',
headers: {
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27 changes: 26 additions & 1 deletion components/chat.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ export function Chat({
setMessages,
sendMessage,
status,
stop,
stop: originalStop,
regenerate,
resumeStream,
} = useChat<ChatMessage>({
Expand Down Expand Up @@ -110,6 +110,31 @@ export function Chat({
},
});

// Custom stop function that sends stopChat action for web automation
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@fg-nava fg-nava Nov 18, 2025

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I just want to verify we've reviewed the other artifacts that are available in the AI Chatbot template (like the table artifact). I recall seeing stop controls there as well albeit they were not using App Router to send POSTs to a Mastra backend. Little doffeeent but there is a possibility we can adhere to the same pattern.

const stop = async () => {
// Always call the original stop to abort the stream
originalStop();

// For web automation model, also send stopChat action to backend
if (initialChatModel === 'web-automation-model') {
try {
await fetch('/api/mastra-proxy', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
action: 'stopChat',
threadId: id,
resourceId: session.user.id,
}),
});
} catch (error) {
console.error('Error sending stopChat action:', error);
}
}
};

const searchParams = useSearchParams();
const query = searchParams.get('query');

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