Examine source code of browser-bridge

{
  "manifest_version" : 2 ,
  "name" : "browser-bridge",
  "version" : "1.7",
  "description" : "Bridge opencode into your browser. Read pages, execute JS, audit security — from your terminal.",
  "license": "MIT",
  "permissions" : [
    "nativeMessaging" ,
    "activeTab" ,
    "tabs" ,
    "webNavigation" ,
    "<all_urls>" ,
    "webRequest" ,
    "webRequestBlocking" 
  ],
  "background" : {
    "scripts" : [
      "background.js" 
    ]
  },
  "content_scripts" : [
    {
      "matches" : [
        "<all_urls>" 
      ],
      "js" : [
        "content.js" 
      ],
      "run_at" : "document_start" 
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "browser-bridge@localhost",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}