Examine source code of CleanMyPosts

{
  "manifest_version": 3,
  "name": "CleanMyPosts",
  "version": "1.0.0",
  "description": "Bulk-delete your posts, replies, reposts, likes and followings on X, and your comments and liked videos on YouTube.",
  "icons": {
    "32": "icons/32x32.png",
    "64": "icons/64x64.png",
    "128": "icons/128x128.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://x.com/*",
    "https://myactivity.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "CleanMyPosts"
  },
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*",
        "https://myactivity.google.com/*"
      ],
      "js": [
        "main-world.js"
      ],
      "world": "MAIN",
      "run_at": "document_idle",
      "all_frames": false
    },
    {
      "matches": [
        "https://x.com/*",
        "https://myactivity.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cleanmyposts@thorstenalpers.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}