Examine source code of ACX Tweaks

{
  "manifest_version": 3,
  "name": "ACX Tweaks",
  "description": "Quality of life improvements for the Astral Codex Ten blog on Substack.",
  "version": "2.6",
  "permissions": [
    "storage",
    "declarativeNetRequestWithHostAccess"
  ],
  "host_permissions": [
    "https://www.astralcodexten.com/*"
  ],
  "icons": {
    "128": "icons/acx-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.astralcodexten.com/*"
      ],
      "js": [
        "js/api.js",
        "js/options.js",
        "js/util.js",
        "js/styles.js",
        "js/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/",
        "data/empty_comments.json",
        "data/templates.html",
        "js/inject.js",
        "skin/css/style.css",
        "font/Raleway.ttf"
      ],
      "matches": [
        "https://www.astralcodexten.com/*"
      ]
    }
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "comments",
        "enabled": true,
        "path": "rules/comments.json"
      }
    ]
  },
  "action": {
    "default_popup": "skin/popup.html",
    "default_title": "ACX Tweaks"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{495299c0-c688-44db-8526-dd6413012282}"
    }
  }
}