import { type Client } from "@libsql/client";
import { Message, Platform, Role } from "./models.js";
export declare function createDbClient(dbPath: string): Client;
export declare function messageHash(m: Message): string;
export declare function insertMessages(client: Client, messages: Message[]): Promise<{
    inserted: number;
    skipped: number;
}>;
export declare function insertNlpEnrichments(client: Client, enrichments: Array<{
    messageId: number;
    intent: string;
    intentConfidence: number;
    complexityScore: number;
    complexityConfidence: number;
    iterationScore: number;
    iterationConfidence: number;
}>): Promise<void>;
export interface MessageRow {
    id: number;
    timestamp: string;
    platform: string;
    role: string;
    content: string;
    conversationId: string;
    wordCount: number;
    modelId: string | null;
    modelProvider: string | null;
}
export declare function queryMessages(client: Client, opts?: {
    role?: Role;
    platform?: Platform;
}): Promise<MessageRow[]>;
export declare function platformFilter(platform?: Platform): {
    clause: string;
    args: any[];
};
export declare function getLastSync(client: Client, source: string): Promise<{
    lastTimestamp: string | null;
    lastFile: string | null;
}>;
export declare function logSync(client: Client, source: string, lastFile: string | null, lastTimestamp: string | null, messageCount: number): Promise<void>;