feat: add demo-crypto-stream#1
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June 6, 2026 23:28
…lestick charts Adds a new demo showcasing two concurrent persistent WebSocket callbacks: - stream_all_tickers: streams live price/change updates to 10 crypto cards via Binance combined stream and set_props - stream_klines: subscribes to the active symbol's @kline_1h stream and pushes live candlestick updates to the modal chart via set_props On card click, 48h of historical klines are fetched from the Binance REST API to render the initial chart, then stream_klines takes over with live updates. Cards show a pulsing "Connecting..." state until first tick. Registers demo-crypto-stream in the uv workspace, adds just crypto to the Justfile, and updates both READMEs with description, video preview, and run instructions.
…s endpoint, rename app.py to main.py
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Adds a live cryptocurrency dashboard demo using two concurrent persistent WebSocket callbacks.
What it does
@kline_1hWebSocket streamChanges
packages/demo-crypto-stream/— new demo packagepyproject.toml— registered in uv workspacejustfile— addedjust cryptoREADME.md— added demo entry with GIF preview