/**
 * Resolved active rules file for escalation and context.
 * Resolution order: pi-warden.md → AGENTS.md → CLAUDE.md → README.md.
 */
export interface ResolvedRulesFile {
    path: string;
    content: string;
    source: string;
}
/** Token-aware truncation: extract heading blocks, cap at maxTokens (1 token ≈ 4 chars). */
export declare function extractRules(content: string, maxTokens?: number): string;
/** Resolve the active rules file. Returns the first existing file, or null. Content is redacted before it leaves this machine. */
export declare function resolveRulesFile(cwd: string): ResolvedRulesFile | null;
/** Returns missing status and the fallback source if pi-warden.md is absent. */
export declare function checkPiWardenMissing(cwd: string): {
    missing: boolean;
    fallbackSource?: string;
};