Examine source code of Phoebus

{
  "manifest_version": 3,
  "name": "Phoebus",
  "version": "0.1.0",
  "description": "Double-click any word for a context-aware translation from Google Gemini. Highlight phrases with a hand-drawn marker that sticks. Bring your own API key.",
  "author": "jeffoodchain",
  "homepage_url": "https://github.com/jeffoodchain/phoebus",
  "browser_specific_settings": {
    "gecko": {
      "id": "phoebus@jeffoodchain.dev",
      "strict_min_version": "115.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://generativelanguage.googleapis.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  }
}