Tiago Antunes b79a64e301 feat: add Realtime Flow component (#44273) ...

## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.

YES

## What kind of change does this PR introduce?

Feature, docs update

## What is the new behavior?

This PR introduces a new `RealtimeFlow` component and hook to the UI
library for building collaborative React Flow with Supabase Realtime:
- keeps nodes and edges in sync across multiple connected clients in
real time
- uses Yjs with `@supabase-labs/y-supabase` to propagate flow updates
- supports optional persistence, so a flow can be restored from
previously saved shared state

## Additional context


https://github.com/user-attachments/assets/90d3a381-6f9c-427f-a493-5d91c2141462



<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Collaborative "Realtime Flow" diagram editor with syncing overlays and
a dual-view demo component
* Interactive demo page and registry example for live editing
(add/remove/rename nodes)
* Framework-ready registry packages for Next.js, React, React Router,
and TanStack

* **Documentation**
* Comprehensive docs added for Next.js, React, React Router, and
TanStack (usage, persistence, hook API)

* **Chores**
  * Added runtime dependency for the flow component package

[![Review Change
Stack](https://storage.googleapis.com/coderabbit_public_assets/review-stack-in-coderabbit-ui.svg)](https://app.coderabbit.ai/change-stack/supabase/supabase/pull/44273)
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

2026-05-26 13:28:52 +03:00

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