Over the past few weeks, Poly-Terminal has matured a lot as a real trading terminal for Polymarket traders. The focus has been on stability, architecture and trader‑first UX under live load - not on “features for the sake of features”.
What changed:
- We reinforced the frontend architecture, untangling oversized components, brittle styling and fragmented state so the terminal stays responsive even under HFT‑style activity.
- We improved performance and state resilience, tightening WebSocket subscriptions, workers and Zustand stores to reduce memory leaks and render thrash, keeping multi‑hour sessions feeling fresh.
- We strengthened security and secrets handling, aligning CSP, auth flows and key storage with stricter industry practices to shrink the attack surface without hurting UX.
- We ran a deep Web3 and CLOB integration audit, polishing how we talk to Polymarket’s orderbook, RPC proxy and heartbeat logic so orders go through fast and predictably, even in volatile markets.
- We codified key architectural invariants and CI/CD, documenting optimistic UI rules, PnL calculation, position lifecycle and deploy pipeline so the project can scale without breaking changes.
Net result: PolyTerminal is shifting from “nice interface” to a battle‑tested trading terminal with a serious engineering backbone - stable frontend, careful Web3 data handling, and a hard focus on security and long, uninterrupted trading sessions.