feat: add unsupported chain detection with switch banner - #362
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Lakes41 merged 2 commits intoJul 28, 2026
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closes #246
Summary
Adds unsupported chain detection to the app — when a user's wallet is connected to a chain outside the configured
NEXT_PUBLIC_WALLET_CHAINSset, a persistent banner guides them through switching to a supported chain via wagmi'suseSwitchChain, with a fallback to manual instructions when programmatic switching isn't available.Problem
If a user connected to Polygon while the app only supports mainnet/Base, the app had no defined behavior — it would silently misbehave or show a generic wagmi error.
Solution Architecture