Why Trading Bots Must Reconcile State After WebSocket Reconnects

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Automated trading bots on Polymarket face a hidden risk when WebSocket connections drop and reconnect: the system may have missed critical events such as order changes, fills, or position updates during the outage. A simple reconnect does not restore internal trading state, meaning the bot could act on stale or incomplete data. A safer architectural approach involves pausing trading on disconnect, then systematically verifying orders, fills, positions, and risk exposure before resuming. The Polymarket Trading Control Plane project addresses this by modeling explicit operational states like DEGRADED, RECOVERING, and VERIFIED rather than treating process uptime as a proxy for system health. The core principle is that reconnection should trigger a structured reconciliation workflow, not an immediate return to trading.

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