chore(security): add optional signing guard (disabled by default) #6
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What changed
blockintel-gate-sdkdependency for optional transaction signing guardblockintel-gate.ts— usesendWithGate(signer, tx)for Gate-protected transaction sends (opt-in)sendTransaction/signTransactionwithGate.guard()for opt-in securityHow to enable
Set env var
BLOCKINTEL_API_KEY(or equivalent config). The guard is disabled by default until configured.How to remove
Revert this commit.