Examine source code of Draw.io MCP Extension

{
  "manifest_version": 3,
  "name": "Draw.io MCP Extension",
  "description": "Draw.io MCP Extension providing services to Draw.io MCP Server",
  "version": "2.2.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "main_world.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e07de650-85aa-4302-9709-d3292c66b674}",
      "strict_min_version": "109.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Draw.io MCP Extension",
    "default_popup": "popup.html"
  },
  "content_scripts": []
}