Ship a daily AI news digest your team actually reads

const BASE = "https://openapi.felo.ai";
const headers = {
  Authorization: `Bearer ${process.env.FELO_API_KEY}`,
  "Content-Type": "application/json",
};

async function felo<T>(path: string, body?: unknown): Promise<T> {
  const res = await fetch(`${BASE}${path}`, {
    method: body ? "POST" : "GET",
    headers,
    body: body ? JSON.stringify(body) : undefined,
  });
  if (!res.ok) throw new Error(`${res.status}: ${await res.text()}`);
  return res.json() as Promise<T>;
}

type ChatData = {
  data: {
    answer: string;
    resources: { link: string; title: string; snippet: string }[];
  };
};

const roundup = await felo<ChatData>("/v2/chat", {
  query: "Biggest AI news stories in the last 24 hours",
});

const sources = roundup.data.resources.slice(0, 5);

type XData = {
  data: {
    tweets: {
      content: string;
      author: { username: string };
      created_at: string;
      metrics: { retweet_count: number; favorite_count: number };
    }[];
    next_cursor: string | null;
    has_next: boolean;
  };
};

const since = Math.floor((Date.now() - 24 * 60 * 60 * 1000) / 1000);

const social = await felo<XData>("/v2/x/tweet/search", {
  query: "AI agents",
  limit: 20,
  since_time: since,
});

const posts = social.data.tweets
  .filter((tweet) => tweet.metrics.favorite_count >= 50)
  .slice(0, 3);

type SubtitleData = {
  data: {
    title: string;
    contents: { text: string; start: number; duration: number }[];
  };
};

const videoCode = "dQw4w9WgXcQ"; // replace with today's video id

const video = await felo<SubtitleData>(
  `/v2/youtube/subtitling?video_code=${videoCode}&language=en&with_time=true`,
);

const transcript = video.data.contents.map((line) => line.text).join(" ");

const date = new Date().toISOString().slice(0, 10);

const issue = [
  `# AI digest — ${date}`,
  "",
  "## The roundup",
  roundup.data.answer,
  "",
  "## What practitioners are posting",
  ...posts.map((post) => `- @${post.author.username}: ${post.content}`),
  "",
  "## From the video",
  transcript.slice(0, 1200),
  "",
  "## Sources",
  ...sources.map((source) => `- [${source.title}](${source.link})`),
].join("\n");

console.log(issue);

type LiveDocData = { data: { short_id: string } };

const archive = await felo<LiveDocData>("/v2/livedocs", {
  name: "AI digest archive",
  description: "One document resource per daily issue",
});

await felo(`/v2/livedocs/${archive.data.short_id}/resources/doc`, {
  title: `AI digest — ${date}`,
  content: issue,
});

type Retrieved = { data: { title: string; content: string; score: number }[] };

const past = await felo<Retrieved>(
  `/v2/livedocs/${archive.data.short_id}/resources/retrieve`,
  { query: "what did we say about agent frameworks last month" },
).then((res) => res.data.filter((hit) => hit.score >= 0.7));