Examine source code of AI Translate

{
  "manifest_version": 3,
  "name": "AI Translate",
  "version": "1.2.0",
  "description": "Translate text using Gemini, Claude, or Azure OpenAI",
  "permissions": [
    "contextMenus",
    "storage",
    "activeTab",
    "identity"
  ],
  "host_permissions": [
    "https://generativelanguage.googleapis.com/*",
    "https://api.anthropic.com/*",
    "https://*.openai.azure.com/*",
    "https://api.notion.com/*"
  ],
  "background": {
    "type": "module",
    "scripts": [
      "background/service-worker.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-translate@extension",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "commands": {
    "translate-selection": {
      "suggested_key": {
        "default": "Alt+T",
        "mac": "Alt+T"
      },
      "description": "Translate selected text"
    },
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+T",
        "mac": "Alt+Shift+T"
      },
      "description": "Open AI Translate popup"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/languages.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/icon16.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}