Examine source code of Gemini Limits

{
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "gemini-limits-v2@example.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "name": "Gemini Limits",
  "version": "1.2",
  "description": "Monitor Gemini usage limits",
  "permissions": [
    "tabs",
    "alarms",
    "storage"
  ],
  "host_permissions": [
    "https://gemini.google.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://gemini.google.com/usage*"
      ],
      "js": [
        "usage.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_area": "navbar",
    "default_title": "Gemini Limits",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon.svg",
      "32": "icon.svg"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon.svg",
    "32": "icon.svg"
  }
}