/**
 * Context Hook Handler (SessionStart)
 *
 * Injects memory context at the start of a Claude Code session.
 * Provides previous session history and relevant observations.
 *
 * @module @agentkits/memory/hooks/context
 */
import { NormalizedHookInput, HookResult, EventHandler } from './types.js';
import { MemoryHookService } from './service.js';
/**
 * Context Hook - SessionStart Event
 *
 * Called when a new Claude Code session starts.
 * Retrieves and injects previous context to help Claude
 * understand the project history.
 */
export declare class ContextHook implements EventHandler {
    private service;
    private ownsService;
    constructor(service: MemoryHookService, ownsService?: boolean);
    /**
     * Shutdown the hook (closes database if owned)
     */
    shutdown(): Promise<void>;
    /**
     * Execute the context hook
     */
    execute(input: NormalizedHookInput): Promise<HookResult>;
    /**
     * Build guidance for empty state (no previous sessions/memories).
     * Teaches Claude about available memory tools and proper usage order.
     */
    private buildEmptyStateGuidance;
}
/**
 * Create context hook handler
 */
export declare function createContextHook(cwd: string): ContextHook;
export default ContextHook;
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