Is Brisk Teaching - AI that Works Where Teachers Work safe?

function initDatadog({ env, sampledErrors, service, version }) {
  DD_LOGS.init({
    beforeSend: (event) => {
      const { message } = event;
      const sampleRate = sampledErrors[message] || 1;
      // Drop event based on sampling rate
      if (Math.random() > sampleRate) return false;
      // Suppress page URL and network fields before sending
      event.view = { url: '' };
      event.network = {};
    },
    clientToken: 'pubd9a36a1f1e06bc7e609e0f5d49d4a79e',  // hardcoded public token
    env: env,
    forwardErrorsToLogs: false,
    service: service,
    version: version,
    sessionSampleRate: 100,  // 100% of sessions are tracked
    site: 'us5.datadoghq.com'
  });
}

!function () {
  const win = window;
  if (win.briskYoutubeState) return;
  const log = (level, msg) => {
    const style = `background: ${level === "info" ? "blue" : "red"}; color: white`;
    console.log("%cYT%c", style, "", msg);
  };
  const state = { arrayJoinOverride: false, poToken: null, updatedAt: null };
  log("info", "injection started");
  win.briskYoutubeState = state;
  try {
    const originalJoin = Array.prototype.join;
    Array.prototype.join = function (...args) {
      const isPotcCall = args.length === 1 && args[0] === "&" && this.includes("potc=1");
      if (isPotcCall) {
        (function extractToken(parts) {
          const potPart = parts.find((p) => typeof p === "string" && p.startsWith("pot="));
          if (typeof potPart !== "string") return;
          const raw = potPart.split("=")[1];
          if (!raw) return;
          const token = decodeURIComponent(raw);
          const changed = state.poToken !== token;
          state.poToken = token;
          state.updatedAt = new Date().toLocaleString();
          const meta = document.getElementById("brisk-yt-po-token") || document.createElement("meta");
          meta.id = "brisk-yt-po-token";
          meta.setAttribute("name", "brisk-yt-po-token");
          meta.setAttribute("content", token);
          if (!meta.parentNode) document.head.appendChild(meta);
          log("info", changed ? `Token + "${token.substring(0, 20)}..."` : `Token = "${token.substring(0, 20)}..."`);
        })(this);
      }
      return originalJoin.apply(this, args);
    };
    state.arrayJoinOverride = true;
    log("info", "injection completed");
  } catch (err) {
    log("error", err instanceof Error ? err.message : String(err));
  }
}();