blog(agent-as-yjs-peer): "The Agent Is Just Another Peer" post + live demo (#6268)

* blog(agent-as-yjs-peer): draft post on streaming an agent into a collaborative doc as a Yjs peer

* blog(agent-as-yjs-peer): add cover image

* blog(agent-as-yjs-peer): add live two-peer editing demo component

* improvement(blog): match code blocks and inline code to the in-app editor tokens

* blog(agent-as-yjs-peer): finalize copy, streaming demo, and feature the post

* fix(blog): guard agent demo against missing/never-firing IntersectionObserver

* fix(blog): stream demo bullets and code chip per-character to match the typing cadence

* chore(blog): trim demo comments and apply cleanup (adopt cn, hoist languageMap, chip color)

* blog(agent-as-yjs-peer): swap cover image

* fix(blog): guard agent demo rAF loop against rescheduling after effect cleanup

Author: waleedlatif1

apps/sim/content/blog/agent-as-yjs-peer/components.tsx

@@ -0,0 +1 @@
+export { AgentPeerDemo } from './components/agent-peer-demo'