How to structure a Robinhood Chain (chain id 4663) trading terminal: one include-scoped REST snapshot per token, then price, risk, lock and candle events over one WebSocket. Runnable code with watchTokenIntelligence() from robinhood-chain-x402 0.21.0, plus the Ultra firehose trade-off.
Robinhood Chain Trading Terminal Architecture: REST Snapshots Plus WebSocket Updates
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October 10, 2026
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