Examine source code of DeepSeekRTL

{
  "manifest_version": 3,
  "name": "DeepSeek Chat RTL Toggle",
  "version": "1.0.1",
  "description": "Click the icon to toggle RTL direction on DeepSeek's chat page.",
  "author": "Yasin Amirany",
  "browser_specific_settings": {
    "gecko": {
      "id": "DeepSeekRTL@amirany.ir",
      "strict_min_version": "145.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [
    "https://www.chat.deepseek.com/"
  ],
  "icons": {
    "48": "icon-48.png"
  },
  "action": {
    "default_title": "DeepSeekRTL",
    "default_icon": {
      "16": "icon-48.png"
    }
  }
}