Examine source code of Twitter Stress Reduction

{
  "name": "__MSG_desc__",
  "manifest_version": 3,
  "version": "0.4.0.0",
  "description": "__MSG_desc__",
  "default_locale": "ja",
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*",
        "https://mobile.x.com/*",
        "https://twitter.com/*",
        "https://mobile.twitter.com/*"
      ],
      "js": [
        "tw_fold.js"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "16": "tw16.png",
      "48": "tw48.png",
      "128": "tw128.png"
    },
    "default_title": "Twitter Stress Reduction v3"
  },
  "background": {
    "scripts": [
      "tw_background.js"
    ]
  },
  "options_ui": {
    "page": "tw_fold.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    {
      "resources": [
        "tw_fold.html"
      ],
      "matches": [
        "https://x.com/*",
        "https://mobile.x.com/*",
        "https://twitter.com/*",
        "https://mobile.twitter.com/*"
      ]
    }
  ],
  "icons": {
    "16": "tw16.png",
    "48": "tw48.png",
    "128": "tw128.png"
  },
  "permissions": [
    "contextMenus",
    "storage"
  ],
  "host_permissions": [
    "https://x.com/*",
    "https://mobile.x.com/*",
    "https://twitter.com/*",
    "https://mobile.twitter.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6520b620-37b6-4139-b0ed-afad52ed2e1d}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "collects_personal_data": false,
        "collects_technical_data": false,
        "collects_user_activity": false
      }
    }
  }
}