// 按名字挑出预设里的 block，打印正文（用于提炼自研预设）
// 用法: node pick-blocks.mjs <preset.json> <每个最多打印字数> <名字片段1> [片段2...]
import { readFileSync } from "node:fs";
const preset = JSON.parse(readFileSync(process.argv[2], "utf8"));
const limit = Number(process.argv[3]);
const keys = process.argv.slice(4);
for (const p of preset.prompts || []) {
  const name = String(p.name || p.identifier || "");
  if (!keys.some((k) => name.includes(k))) continue;
  const body = String(p.content || "");
  console.log("\n===== " + name + "  (" + body.length + " 字, role=" + (p.role || "system") + ") =====");
  console.log(body.slice(0, limit));
  if (body.length > limit) console.log("…（截断，余 " + (body.length - limit) + " 字）");
}