/**
 * Hex-encoded Ed25519 public key (32 bytes, 64 hex characters).
 * Overridden by production builds — do not ship the dev key.
 */
export declare const EMBEDDED_PUBLIC_KEY_HEX = "0bd7911d649a711a5d16a44d2c0e277b67b3220fda48e9abf5ab9a77aba736b0";
/**
 * Validate that the embedded key is a 64-character hex string representing
 * 32 bytes. Throws if the build injected an invalid key.
 */
export declare function publicKeyHex(): string;