Examine source code of Simple AI Translator

{
  "manifest_version": 3,
  "name": "Simple AI Translator",
  "version": "0.2.2",
  "description": "Translate selected text or manual input with configurable AI providers.",
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Simple AI Translator",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png"
    },
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "simple-ai-translator@local",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "searchTerms"
        ]
      },
      "strict_min_version": "142.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "shared/webext-api.js",
        "shared/script-direction.js",
        "shared/speech.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ]
}