Polkadot Apps
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    ConnectionCredentials:
        | { accountId: [string, number]; mode: "host" }
        | { mode: "local"; signer: StatementSignerWithKey }

    Credentials for connecting to the statement store.

    • Host mode: Inside a container, proof creation is delegated to the host API. The accountId is a [ss58Address, chainPrefix] tuple from product-sdk.
    • Local mode: Outside a container, statements are signed locally using the provided Sr25519 signer.