Examine source code of JoulePAI Wallet

{
  "manifest_version": 3,
  "name": "JoulePAI Wallet",
  "short_name": "JoulePAI",
  "version": "0.2.1",
  "description": "The agent-native wallet for the joule economy. Pay, trade, and operate at machine speed.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png"
    },
    "default_title": "JoulePAI Wallet"
  },
  "background": {
    "scripts": [
      "browser-polyfill.min.js",
      "background/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://joulepai.ai/*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "content/provider.js",
        "content/content.js"
      ],
      "css": [
        "styles/content.css"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "notifications",
    "alarms",
    "management"
  ],
  "host_permissions": [
    "https://joulepai.ai/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content/injected.js",
        "icons/icon48.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "wallet@joulepai.ai",
      "strict_min_version": "140.0"
    }
  }
}