import type { DbSession, UpsertSessionInput } from './schema.js';
/**
 * Get a session by name
 */
export declare function getSession(name: string): DbSession | null;
/**
 * Get all active (non-archived) sessions
 */
export declare function getAllSessions(): DbSession[];
/**
 * Get all archived sessions
 */
export declare function getArchivedSessions(): DbSession[];
/**
 * Upsert a session (insert or update)
 */
export declare function upsertSession(name: string, input: UpsertSessionInput): DbSession;
/**
 * Delete a session
 */
export declare function deleteSession(name: string): boolean;
/**
 * Archive a session (mark as done and keep in history)
 * Returns the archived session or null if not found
 */
export declare function archiveSession(name: string): DbSession | null;
/**
 * Reconcile sessions with active tmux sessions
 * - Sessions in DB but not in tmux: delete if old
 * - Sessions in tmux but not in DB: will be created when they connect
 * - Archived sessions are skipped (they don't have tmux sessions)
 */
export declare function reconcileWithTmux(activeTmuxSessions: Set<string>): void;
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