import type { ChatSession, ChatMessage } from "@polpo-ai/sdk";
export interface UseSessionsReturn {
    sessions: ChatSession[];
    isLoading: boolean;
    error: Error | null;
    activeSessionId: string | null;
    setActiveSessionId: (id: string | null) => void;
    getMessages: (sessionId: string) => Promise<ChatMessage[]>;
    renameSession: (sessionId: string, title: string) => Promise<void>;
    deleteSession: (sessionId: string) => Promise<void>;
    refetch: () => Promise<void>;
}
/**
 * Reads sessions from the shared `PolpoStore`. The initial list is fetched
 * lazily (first hook mount populates the store), and any change pushed by
 * other hooks — most importantly `useChat` observing a new sessionId
 * mid-stream — is reflected here automatically. Mirrors `useTasks` /
 * `useMissions`.
 *
 * Fixes #41: before this rewrite, each `useSessions()` instance held its
 * own `useState` array, so creating a session in one component left every
 * other consumer stale until a manual refetch.
 */
export declare function useSessions(): UseSessionsReturn;
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