Examine source code of Qwen RTL Toggle

{
  "manifest_version": 3,
  "name": "Qwen RTL Toggle",
  "version": "9.1",
  "description": "Toggle RTL mode for Qwen chat",
  "icons": {
    "16": "rtl-off-16.png",
    "48": "rtl-off-48.png",
    "128": "rtl-off.png"
  },
  "action": {
    "default_icon": {
      "16": "rtl-off-16.png",
      "48": "rtl-off-48.png",
      "128": "rtl-off.png"
    },
    "default_title": "Qwen RTL — اضغط لتفعيل"
  },
  "background": {
    "scripts": [
      "qwen-rtl-background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://chat.qwen.ai/*"
      ],
      "js": [
        "qwen-rtl-content.js"
      ],
      "css": [
        "qwen-rtl.css"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://chat.qwen.ai/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{633f04e1-cea8-4ff9-8f05-c79f02812202}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}