/**
 * Auto-install Anthropic's skill-creator into .claude/skills/skill-creator/
 *
 * Called during `specweave init` and `specweave update-instructions`.
 * Non-blocking: never throws, never prevents init from completing.
 *
 * Install strategy (3-tier fallback):
 *   1. `vskill install` — globally installed vskill CLI
 *   2. `npx --registry https://registry.npmjs.org vskill install` — bypasses
 *      corporate .npmrc that may redirect to a private registry
 *   3. `claude install-skill` — last resort via claude CLI
 *
 * @since 1.0.548
 */
export interface EnsureSkillCreatorResult {
    installed: boolean;
    skipped: boolean;
    error?: string;
}
/**
 * Ensure Anthropic's skill-creator is installed locally.
 *
 * 1. Check if already installed at .claude/skills/skill-creator/SKILL.md
 * 2. Try `vskill install` (preferred — globally installed)
 * 3. Try `npx --registry <public> vskill install` (handles missing global + .npmrc issues)
 * 4. Fall back to `claude install-skill` if vskill is unavailable
 *
 * All errors are caught — this function never throws.
 */
export declare function ensureSkillCreator(projectRoot: string): Promise<EnsureSkillCreatorResult>;
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