The key code is here: https://github.com/dnakov/little-rat/blob/f0b9b6be39af9fe7f4...

  chrome.declarativeNetRequest.onRuleMatchedDebug.addListener((e) => {
    if (e.request.initiator?.startsWith('chrome-extension://')) {

Given that the extension is using a "Debug" API, it seems unlikely that the Chrome Web Store will approve. "Only available for unpacked extensions with the declarativeNetRequestFeedback permission as this is intended to be used for debugging purposes only." https://developer.chrome.com/docs/extensions/reference/decla...