import { PptxAiChatStore, PptxAiStoredChat } from 'pptx-viewer-shared/ai';
/** One tool invocation captured with its full technical detail. */
export interface AiLogToolCall {
    toolName: string;
    toolCallId: string;
    state: string;
    input: unknown;
    output: unknown;
    errorText?: string;
}
/** One message: its role, concatenated prose, and any tool calls it made. */
export interface AiLogMessage {
    role: string;
    text: string;
    toolCalls: AiLogToolCall[];
}
/** One chat conversation in export form. */
export interface AiLogChat {
    id: string;
    title: string;
    deckId?: string;
    createdAt: number;
    updatedAt: number;
    createdAtIso: string;
    updatedAtIso: string;
    messageCount: number;
    messages: AiLogMessage[];
}
/** Top-level detailed export document. */
export interface AiLogExport {
    format: 'pptx-ai-chat-log';
    version: 1;
    exportedAt: string;
    detailed: boolean;
    chatCount: number;
    chats: AiLogChat[];
}
/** Options controlling how the export document is built. */
export interface BuildChatLogOptions {
    /** Include tool-call inputs/outputs. Default `true`. */
    detailed?: boolean;
    /** Epoch ms stamped as `exportedAt`. Default `Date.now()`. */
    now?: number;
}
/** Build the detailed export document from already-loaded chats (pure). */
export declare function buildChatLogExport(chats: readonly PptxAiStoredChat[], options?: BuildChatLogOptions): AiLogExport;
/** Render the same detailed export as a human-readable Markdown transcript. */
export declare function buildChatLogMarkdown(doc: AiLogExport): string;
/** Load every stored chat (newest first) in full detail from a store. */
export declare function collectStoredChats(store: PptxAiChatStore): Promise<PptxAiStoredChat[]>;
/** File format to download. */
export type AiLogFormat = 'json' | 'markdown';
/** Options for {@link exportAiChatLogs}. */
export interface ExportAiChatLogsOptions {
    /** Store to read from. Defaults to the shared `createChatHistoryStore()`. */
    store?: PptxAiChatStore;
    /** `'json'` (default) or `'markdown'`. */
    format?: AiLogFormat;
    /** Include tool inputs/outputs. Default `true`. */
    detailed?: boolean;
    /** Epoch ms for the filename + `exportedAt`. Default `Date.now()`. */
    now?: number;
}
/**
 * Read all stored chats and trigger a browser download of the detailed log.
 *
 * @returns the number of chats exported. When `0`, no file is downloaded so the
 *   caller can surface an empty-state message instead.
 */
export declare function exportAiChatLogs(options?: ExportAiChatLogsOptions): Promise<number>;
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