Examine source code of ProxyHub — Per-Site Proxy Switcher Pro

{
  "manifest_version": 3,
  "name": "ProxyHub — Per-Site Proxy Switcher Pro",
  "version": "1.1.0",
  "description": "Minimal per-site / per-domain proxy switcher with real wildcard support, nested CDN companion groups, a searchable rule manager, and an optional encrypted credential vault.",
  "browser_specific_settings": {
    "gecko": {
      "id": "proxyhub@mirhajian.dev",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "proxy",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "lib/constants.js",
      "lib/groups.js",
      "lib/crypto.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "page-hook.js"
      ],
      "run_at": "document_start",
      "all_frames": false,
      "world": "MAIN"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/constants.js",
        "lib/groups.js",
        "lib/icons.js",
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "ProxyHub",
    "default_icon": {
      "16": "icons/icon-direct16.png",
      "48": "icons/icon-direct48.png",
      "128": "icons/icon-direct128.png"
    }
  },
  "options_page": "options.html",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}