Examine source code of Frame

{
  "name": "Frame Companion",
  "version": "0.12.1",
  "manifest_version": 3,
  "minimum_chrome_version": "116",
  "description": "Frame companion creates an injected connection to Frame desktop wallet (required) on macOS, Windows or Linux.",
  "homepage_url": "https://github.com/floating/frame",
  "background": {
    "service_worker": "index.js",
    "scripts": [
      "index.js"
    ]
  },
  "action": {
    "default_title": "Frame Companion",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "96": "icons/icon96.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "file://*/*",
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "inject.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "http://twitter.com/*",
        "https://twitter.com/*"
      ],
      "js": [
        "augment.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "frame.js"
      ],
      "matches": [
        "file://*/*",
        "https://*/*",
        "http://*/*"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' ws://127.0.0.1:1248"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{77691beb-4c53-48de-ab20-6589a537717a}"
    }
  },
  "permissions": [
    "activeTab",
    "alarms",
    "idle",
    "scripting"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  }
}