Examine source code of React Developer Tools

{
  "manifest_version": 3,
  "name": "React Developer Tools",
  "description": "Adds React debugging tools to the Firefox Developer Tools.\n\nCreated from revision 44c3d3d665 on 2/7/2025.",
  "version": "6.1.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "@react-devtools",
      "strict_min_version": "128.0"
    }
  },
  "icons": {
    "16": "icons/16-production.png",
    "32": "icons/32-production.png",
    "48": "icons/48-production.png",
    "128": "icons/128-production.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/16-disabled.png",
      "32": "icons/32-disabled.png",
      "48": "icons/48-disabled.png",
      "128": "icons/128-disabled.png"
    },
    "default_popup": "popups/disabled.html"
  },
  "devtools_page": "main.html",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "main.html",
        "panel.html",
        "build/*.js",
        "build/*.js.map"
      ],
      "matches": [
        "<all_urls>"
      ],
      "extension_ids": []
    }
  ],
  "background": {
    "scripts": [
      "build/background.js"
    ]
  },
  "permissions": [
    "scripting",
    "storage",
    "tabs",
    "clipboardWrite"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "build/prepareInjection.js"
      ],
      "run_at": "document_start"
    }
  ]
}