Examine source code of X.com Blocker

{
  "manifest_version": 2,
  "name": "X.com Blocker",
  "version": "1.0",
  "description": "Blocks all X.com (Twitter) content including links, images, login buttons, embedded posts, Grok AI, and X AI services",
  "permissions": [
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "*://*.x.com/*",
    "*://*.twitter.com/*",
    "*://*.twimg.com/*",
    "*://*.t.co/*",
    "*://*.x.ai/*",
    "*://*.grok.com/*",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "web_accessible_resources": [
    "styles.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{0821bcf3-8be6-4379-a99e-5d47ee994f4d}"
    }
  }
}