/**
 * Responsibilities Extraction
 *
 * Every project must have a human-authored `responsibilities.md` at its root
 * describing the FULL responsibilities of the module (what belongs in it and
 * what does not). The first paragraph of that file is embedded into
 * architecture/dependencies.json as the project's `shortDescription` so AI
 * gets a summary just by reading the graph file.
 */
/**
 * Maximum length of the shortDescription embedded in dependencies.json.
 * The summary must stay small — full detail belongs in responsibilities.md.
 */
export declare const MAX_SHORT_DESCRIPTION_LENGTH = 300;
/**
 * Extract the shortDescription from responsibilities.md content:
 * the first non-empty paragraph after any leading markdown headings,
 * with newlines collapsed to single spaces.
 *
 * Returns '' when the file has no summary paragraph.
 */
export declare function extractShortDescription(markdown: string): string;
/**
 * Validate an extracted shortDescription. Returns a problem description,
 * or null when the summary is valid.
 */
export declare function validateShortDescription(summary: string, sourceFile: string): string | null;