Sneaky Starfish

Demos

Idempotency
Reconnect-resume
Chat rooms
Optimistic rollback
Subscribe denials
Pressure / admission
Deterministic chaos
Push + reply + cron
Top-K windows
Newsroom
Task runner
Cluster cron
Streaming upload
Auctions
Schema evolution
Flash sales
Pagination
live.effect
delta.fromSeq

← Rooms

Chat: private

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Server: chat = live.room() with topic demos:chat:{roomId}; sendMessage = live.idempotent({ ttl: 30 }, ...).

Send fires one RPC per click with a fresh idempotencyKey. Retry x5 fires five rapid RPCs with the same key; only the first runs the handler, the other four return the cached result. One intent, one message.

Open this page in two tabs to see realtime fan-out and the presence list update as users join and leave.