WebSocket streaming with backpressure

Live in demo 34-realtime-orders.

When

Live tick stream with pause / resume / disconnect-and-replay and per-tick delta merge.

How

Key API surface:

• onmessage merges into $state
• pause flag throttles applies

See the demo source for the full implementation; this recipe pins the pattern + the surface so you can copy-paste it confidently. The doc page that explains the underlying feature in depth is linked from the recipes index.

See also

• Demo 34-realtime-orders source
• Demo 34-realtime-orders prompt sidecar - drop into an LLM context window
• Recipes index