/**
 * core/status-cache.ts — In-memory cache for session status snapshots.
 *
 * Stores parsed summaries with content hashing for change detection.
 * Shared across all sessions — any MCP client can read/write.
 *
 * Part of Session Orchestration (Phase 1, v0.7).
 */
export interface StatusSnapshot {
    sessionId: string;
    sessionName: string;
    /** When this snapshot was created */
    timestamp: number;
    /** Busy/idle state */
    state: "idle" | "busy" | "error" | "disconnected";
    /** AI-parsed 1-2 sentence summary */
    summary: string;
    /** Hash of the raw terminal content when summary was generated */
    contentHash: string;
    /** When the terminal content was last probed */
    lastProbeAt: number;
}
/** Hash terminal content for change detection */
export declare function hashContent(content: string): string;
/**
 * StatusCache — in-memory cache of parsed session summaries.
 *
 * Lives in the daemon process, shared across all MCP clients.
 */
export declare class StatusCache {
    private cache;
    /** Store a parsed summary for a session */
    set(sessionId: string, snapshot: StatusSnapshot): void;
    /** Get cached snapshot for a session */
    get(sessionId: string): StatusSnapshot | undefined;
    /** Get all cached snapshots */
    getAll(): StatusSnapshot[];
    /** Check if content has changed since last probe */
    hasChanged(sessionId: string, currentContentHash: string): boolean;
    /** Update just the probe timestamp (content unchanged) */
    touch(sessionId: string): void;
    /** Remove a session from cache */
    delete(sessionId: string): void;
    /** Clear entire cache */
    clear(): void;
    /** Number of cached entries */
    get size(): number;
}
/** Singleton cache instance for the daemon */
export declare const statusCache: StatusCache;
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