#!/usr/bin/env node
/**
 * Hook handler for calculating and displaying session statistics
 *
 * This script is called by Claude Code hooks on SessionEnd event.
 * It parses the transcript to calculate usage statistics and displays them.
 *
 * Uses exit code 2 to trigger Claude Code's failure display mechanism,
 * and ANSI escape codes to clear the "SessionEnd hook [path] failed:" prefix.
 */
/**
 * Extract skill usage from Read tool invocations targeting SKILL.md files
 * @param args - Configuration arguments
 * @param args.content - Raw transcript content
 *
 * @returns Record mapping skill names to usage counts
 */
export declare const parseSkillUsage: (args: {
    content: string;
}) => Record<string, number>;
/**
 * Extract subagent usage from Task tool invocations
 * @param args - Configuration arguments
 * @param args.content - Raw transcript content
 *
 * @returns Record mapping subagent types to usage counts
 */
export declare const parseSubagentUsage: (args: {
    content: string;
}) => Record<string, number>;
/**
 * Detect if Nori CLAUDE.md was active in the session
 * @param args - Configuration arguments
 * @param args.content - Raw transcript content
 *
 * @returns True if Nori CLAUDE.md markers are detected
 */
export declare const detectNoriClaudeMd: (args: {
    content: string;
}) => boolean;
/**
 * Count user and assistant messages
 * @param args - Configuration arguments
 * @param args.content - Raw transcript content
 *
 * @returns Object with user and assistant message counts
 */
export declare const countMessages: (args: {
    content: string;
}) => {
    user: number;
    assistant: number;
};
/**
 * Count tool usage by tool name
 * @param args - Configuration arguments
 * @param args.content - Raw transcript content
 *
 * @returns Record mapping tool names to usage counts
 */
export declare const countToolUsage: (args: {
    content: string;
}) => Record<string, number>;
/**
 * Format statistics as ASCII table
 * @param args - Configuration arguments
 * @param args.messages - Message counts object
 * @param args.messages.user - Count of user messages
 * @param args.messages.assistant - Count of assistant messages
 * @param args.tools - Record of tool name to usage count
 * @param args.skills - Record of skill name to usage count
 * @param args.subagents - Record of subagent type to usage count
 * @param args.noriClaudeMdUsed - Whether Nori CLAUDE.md was detected
 *
 * @returns Formatted ASCII table string
 */
export declare const formatStatistics: (args: {
    messages: {
        user: number;
        assistant: number;
    };
    tools: Record<string, number>;
    skills: Record<string, number>;
    subagents: Record<string, number>;
    noriClaudeMdUsed: boolean;
}) => string;
/**
 * Main entry point
 */
export declare const main: () => Promise<void>;
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