/**
 * Extract the `## Fresh context` section from a markdown body. Returns the
 * substring from the heading to end-of-file (trimmed), or `null` when the
 * heading is absent or the section is empty.
 */
export declare function extractFreshContextBlock(content: string): string | null;
/**
 * Read the fresh-context block for a session. Returns `null` on any read
 * failure (missing file, unreadable, or no `## Fresh context` heading) —
 * callers treat `null` as "no block", never a hard error.
 */
export declare function readFreshContextBlock(projectRoot: string, sessionId: string): string | null;