/**
 * Session id / filename runtime helpers.
 *
 * Moved out of `@opensip-cli/contracts` (audit 2026-05-29, contracts
 * split) so contracts carries no runtime. The `StoredSession` type stays
 * in contracts as the cross-tool contract surface.
 */
/** Generate a unique session ID */
export declare function generateSessionId(): string;
/** Sanitize a string for use in a filename — strip path separators and special chars */
export declare function sanitizeForFilename(s: string): string;
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