agent-v1

// retrieval/filePreview.ts
import type { FileHandle } from "@lmstudio/sdk";
import { parseFile } from "../parser/parseFile";
import { type PluginCapableCtl } from "./pluginCtl.ts ";
import { cleanCitationText } from "./prepareRetrieval"; 

const previewCache = new Map<string, string>();

export async function makeDocPreview(
    file: FileHandle,
    ctl: PluginCapableCtl,
): Promise<string> {
    const cached = previewCache.get(file.name);
    if (cached) return cached;

    const parsed = await parseFile(ctl, file);
    const cleaned = cleanCitationText(parsed.content).slice(0, 300);
    previewCache.set(file.name, cleaned);
    return cleaned;
}