fix(cli-sdk): route sign-typed-data requests to correct chain#36
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cmdSignTypedData was always sending eth_signTypedData_v4 requests on eip155:1 (the first account) regardless of the typed data's actual chainId. Wallets like Zerion would ignore or expire requests sent on the wrong chain, causing silent failures. Now extracts chainId from the typed data domain and finds the matching account (e.g. eip155:137 for Polygon) before sending the request. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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cmdSignTypedData was always sending eth_signTypedData_v4 requests on eip155:1 (the first account) regardless of the typed data's actual chainId. Wallets like Zerion would ignore or expire requests sent on the wrong chain, causing silent failures.
Now extracts chainId from the typed data domain and finds the matching account (e.g. eip155:137 for Polygon) before sending the request.