Félix Malfait
8fa3962e1c
## Overview Add resumable stream support for agent chat to allow clients to reconnect and resume streaming responses if the connection is interrupted (e.g., during page refresh). ## Changes ### Backend (Twenty Server) - Add `activeStreamId` column to `AgentChatThreadEntity` to track ongoing streams - Create `AgentChatResumableStreamService` to manage Redis-backed resumable streams using the `resumable-stream` library with ioredis - Extend `AgentChatController` with: - `GET /:threadId/stream` endpoint to resume an existing stream - `DELETE /:threadId/stream` endpoint to stop an active stream - Update `AgentChatStreamingService` to store streams in Redis and track active stream IDs - Add `resumable-stream@^2.2.12` dependency to package.json ### Frontend (Twenty Front) - Update `useAgentChat` hook to: - Use a persistent transport with `prepareReconnectToStreamRequest` for resumable streams - Export `resumeStream` function from useChat - Add `handleStop` callback to clear active stream on DELETE endpoint - Use thread ID as stable message ID instead of including message count - Add stream resumption logic in `AgentChatAiSdkStreamEffect` component to automatically call `resumeStream()` when switching threads ## Database Migration New migration `1774003611071-add-active-stream-id-to-agent-chat-thread` adds the `activeStreamId` column to store the current resumable stream identifier. --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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Why Twenty
We built Twenty for three reasons:
CRMs are too expensive, and users are trapped. Companies use locked-in customer data to hike prices. It shouldn't be that way.
A fresh start is required to build a better experience. We can learn from past mistakes and craft a cohesive experience inspired by new UX patterns from tools like Notion, Airtable or Linear.
We believe in open-source and community. Hundreds of developers are already building Twenty together. Once we have plugin capabilities, a whole ecosystem will grow around it.
What You Can Do With Twenty
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Below are a few features we have implemented to date:
- Personalize layouts with filters, sort, group by, kanban and table views
- Customize your objects and fields
- Create and manage permissions with custom roles
- Automate workflow with triggers and actions
- Emails, calendar events, files, and more
Personalize layouts with filters, sort, group by, kanban and table views
Customize your objects and fields
Create and manage permissions with custom roles
Automate workflow with triggers and actions
Emails, calendar events, files, and more
Stack
- TypeScript
- Nx
- NestJS, with BullMQ, PostgreSQL, Redis
- React, with Jotai, Linaria and Lingui
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