Examine source code of Claude Code Browser Bridge

{
  "manifest_version": 3,
  "name": "Claude Code Browser Bridge",
  "version": "0.1.0",
  "description": "Lets Claude Code read and drive pages in this browser.",
  "browser_specific_settings": {
    "gecko": {
      "id": "claude-firefox@faran52.github.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "websiteActivity"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "nativeMessaging"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "host_permissions": [
    "http://127.0.0.1/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "page.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "action": {
    "default_title": "Claude Code Browser Bridge",
    "default_popup": "options.html",
    "default_icon": "icon.svg"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg",
    "128": "icon.svg"
  }
}