Examine source code of Gemini URL Prompt

{
  "manifest_version": 3,
  "name": "Gemini URL Prompt",
  "version": "1.0",
  "description": "Reads ?q= query from Gemini URL and auto-submits it.",
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "gemini-url-prompt-custom@local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://gemini.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}