import type { AgentMessage } from "@earendil-works/pi-agent-core";
import type { StorageNamespace } from "../context";
export interface ChatSession {
    id: string;
    workbookId: string;
    name: string;
    agentMessages: AgentMessage[];
    createdAt: number;
    updatedAt: number;
}
export interface VfsFile {
    id: string;
    sessionId: string;
    path: string;
    data: Uint8Array;
}
export interface SkillFile {
    id: string;
    skillName: string;
    path: string;
    data: Uint8Array;
}
export declare function getSessionMessageCount(session: ChatSession): number;
export declare function getOrCreateDocumentId(ns: StorageNamespace): Promise<string>;
export declare function listSessions(ns: StorageNamespace, workbookId: string): Promise<ChatSession[]>;
export declare function createSession(ns: StorageNamespace, workbookId: string, name?: string): Promise<ChatSession>;
export declare function getSession(ns: StorageNamespace, sessionId: string): Promise<ChatSession | undefined>;
export declare function saveSession(ns: StorageNamespace, sessionId: string, agentMessages: AgentMessage[]): Promise<void>;
export declare function renameSession(ns: StorageNamespace, sessionId: string, name: string): Promise<void>;
export declare function deleteSession(ns: StorageNamespace, sessionId: string): Promise<void>;
export declare function getOrCreateCurrentSession(ns: StorageNamespace, workbookId: string): Promise<ChatSession>;
export declare function saveVfsFiles(ns: StorageNamespace, sessionId: string, files: {
    path: string;
    data: Uint8Array;
}[]): Promise<void>;
export declare function loadVfsFiles(ns: StorageNamespace, sessionId: string): Promise<{
    path: string;
    data: Uint8Array;
}[]>;
export declare function deleteVfsFiles(ns: StorageNamespace, sessionId: string): Promise<void>;
export declare function saveSkillFiles(ns: StorageNamespace, skillName: string, files: {
    path: string;
    data: Uint8Array;
}[]): Promise<void>;
export declare function loadSkillFiles(ns: StorageNamespace, skillName: string): Promise<{
    path: string;
    data: Uint8Array;
}[]>;
export declare function loadAllSkillFiles(ns: StorageNamespace): Promise<{
    skillName: string;
    path: string;
    data: Uint8Array;
}[]>;
export declare function deleteSkillFiles(ns: StorageNamespace, skillName: string): Promise<void>;
export declare function listSkillNames(ns: StorageNamespace): Promise<string[]>;
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