Examine source code of Rrreply.com

{
  "name": "Rrreply.com",
  "version": "1.5.3",
  "manifest_version": 3,
  "description": "Harness the power of AI to craft personalized replies, boost engagement, and grow your Twitter audience.",
  "homepage_url": "https://rrreply.com",
  "host_permissions": [
    "https://*.linkedin.com/*",
    "https://*.twitter.com/*",
    "https://*.x.com/*",
    "https://rrreply.com/*"
  ],
  "permissions": [
    "storage",
    "scripting"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png",
    "256": "icons/256.png",
    "512": "icons/512.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.linkedin.com/*",
        "https://*.twitter.com/*",
        "https://*.x.com/*"
      ],
      "css": [
        "content/x/style.css"
      ],
      "js": [
        "content/x/main.js"
      ],
      "run_at": "document_start",
      "all_frames": false,
      "world": "ISOLATED"
    },
    {
      "matches": [
        "https://rrreply.com/*"
      ],
      "js": [
        "content/rrreply.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content/x/capture-headers.js"
      ],
      "matches": [
        "https://*.linkedin.com/*",
        "https://*.twitter.com/*",
        "https://*.x.com/*"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "background": {
    "scripts": [
      "service-worker.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1e610bf8-ad89-4302-a177-da5806562dcc}",
      "strict_min_version": "109.0"
    }
  }
}