/**
 * Skills loader — reads SKILL.md files with YAML frontmatter from disk.
 *
 * Skill directory structure:
 *   skills/<name>/
 *     SKILL.md        — Required. YAML frontmatter (name, description) + markdown body.
 *     tools.json       — Optional. { "tools": ["tool_name_1", ...] }
 *
 * @module
 */
/**
 * Cut a one-line description at a word boundary, with an ellipsis, never
 * mid-word. Shared by the two skills indexes — the fleet-wide one in the base
 * prompt (worker.ts) and a session owner's private one (session-manager.ts) —
 * which sit in the same prompt and must look the same.
 */
export declare function clipDescription(text: string, max: number): string;
export interface Skill {
    /** Skill name from YAML frontmatter (falls back to directory name). */
    name: string;
    /** Skill description from YAML frontmatter. */
    description: string;
    /** Markdown body (everything after the YAML frontmatter). */
    prompt: string;
    /** Tool names declared in tools.json (empty if no tools.json). */
    toolNames: string[];
    /** Absolute path to the skill directory. */
    dir: string;
}
/**
 * Load all skills from a directory. Each subdirectory containing a
 * SKILL.md file is treated as a skill.
 *
 * @param skillsDir - Path to the skills root directory.
 * @returns Array of loaded skills. Directories without SKILL.md are skipped.
 */
export declare function loadSkillsSync(skillsDir: string): Skill[];
export declare function loadSkills(skillsDir: string): Promise<Skill[]>;
export declare function composeDeclaredSkillsPrompt(agentPrompt: string, declaredSkillNames: string[] | undefined, skills: Skill[]): {
    prompt: string;
    missing: string[];
};
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