Examine source code of Claude Sidebar Modifier

{
  "manifest_version": 2,
  "name": "Claude Sidebar Modifier",
  "version": "1.5.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd8063c0-2f70-45d2-a49c-60be58d57c9a}"
    }
  },
  "license": "MIT",
  "description": "Modify the Claude.ai sidebar width and disable behavior",
  "author": "Casey Hand",
  "homepage_url": "https://github.com/cyanheads/claude-sidebar-modifier",
  "permissions": [
    "activeTab",
    "storage",
    "https://*.claude.ai/*",
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.claude.ai/*"
      ],
      "js": [
        "sidebar-disable.js"
      ],
      "css": [
        "sidebar-disable.css"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "assets/icon-48.png",
      "96": "assets/icon-96.png"
    }
  },
  "icons": {
    "48": "assets/icon-48.png",
    "96": "assets/icon-96.png"
  },
  "web_accessible_resources": [
    "sidebar-disable.js",
    "sidebar-disable.css"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}