arela/dist/memory/session.d.ts

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import type { Message, SessionStats } from "./types.js";
/**
 * Session Memory Layer (Layer 4 - Hexi-Memory)
 *
 * Stores short-term context for the current conversation/task:
 * - Current task being worked on
 * - Open files being tracked
 * - Conversation history
 * - Active ticket
 * - Arbitrary context key-value pairs
 *
 * Features:
 * - In-memory cache for fast access (<50ms)
 * - SQLite persistence for crash recovery
 * - Auto-snapshot every 30 seconds
 * - Restore from last snapshot on init
 */
export declare class SessionMemory {
    private readonly cwd;
    private db?;
    private dbPath;
    private cache;
    private snapshotInterval?;
    private initialized;
    private exitHandler?;
    private sigintHandler?;
    private sigtermHandler?;
    constructor(cwd?: string);
    /**
     * Initialize session memory
     * - Sets up SQLite database
     * - Attempts to restore from last snapshot
     * - Starts auto-snapshot interval
     */
    init(): Promise<void>;
    /**
     * Create database tables
     */
    private createTables;
    /**
     * Get current session ID
     */
    getSessionId(): string;
    /**
     * Get current task
     */
    getCurrentTask(): Promise<string | undefined>;
    /**
     * Set current task
     */
    setCurrentTask(task: string): Promise<void>;
    /**
     * Add message to conversation history
     */
    addMessage(message: Message): Promise<void>;
    /**
     * Get recent messages from conversation history
     */
    getRecentMessages(count: number): Promise<Message[]>;
    /**
     * Get all messages from conversation history
     */
    getAllMessages(): Promise<Message[]>;
    /**
     * Track an open file
     */
    trackOpenFile(filePath: string): Promise<void>;
    /**
     * Untrack a file
     */
    untrackFile(filePath: string): Promise<void>;
    /**
     * Get list of open files
     */
    getOpenFiles(): Promise<string[]>;
    /**
     * Set active ticket
     */
    setActiveTicket(ticketId: string): Promise<void>;
    /**
     * Get active ticket
     */
    getActiveTicket(): Promise<string | undefined>;
    /**
     * Set context value
     */
    setContext(key: string, value: any): Promise<void>;
    /**
     * Get context value
     */
    getContext<T = any>(key: string): Promise<T | undefined>;
    /**
     * Get all context
     */
    getAllContext(): Promise<Record<string, any>>;
    /**
     * Delete context key
     */
    deleteContext(key: string): Promise<void>;
    /**
     * Save current state to SQLite (snapshot)
     */
    snapshot(): Promise<void>;
    /**
     * Restore state from SQLite snapshot
     */
    restore(): Promise<void>;
    /**
     * Clear current session (start fresh)
     */
    clear(): Promise<void>;
    /**
     * Get session statistics
     */
    getStats(): Promise<SessionStats>;
    /**
     * Close database and stop auto-snapshot
     */
    close(): void;
}
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