Examine source code of ContainSite

{
  "manifest_version": 2,
  "name": "ContainSite",
  "version": "0.7.0",
  "description": "Per-container fingerprint isolation — each container gets its own device identity",
  "permissions": [
    "contextualIdentities",
    "cookies",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "lib/prng.js",
      "lib/fingerprint-gen.js",
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    },
    "default_title": "ContainSite"
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "containsite@salmutt.dev",
      "strict_min_version": "100.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}