Examine source code of Request Replay Studio

{
  "manifest_version": 3,
  "name": "Request Replay Studio",
  "version": "1.0",
  "description": "Intercept, modify, and replay HTTP requests in real-time.",
  "browser_specific_settings": {
    "gecko": {
      "id": "request-replay@example.com",
      "strict_min_version": "120.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "scripting",
    "activeTab"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "sidebar.html",
    "default_title": "Request Replay"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none';"
  }
}