Examine source code of CanvasLMS Designer

{
  "manifest_version": 3,
  "name": "Canvas Designer",
  "version": "0.1.0",
  "description": "Diseña visualmente páginas de Canvas LMS con asistencia de IA / Visually design Canvas LMS pages with AI assistance.",
  "browser_specific_settings": {
    "gecko": {
      "id": "canvas-designer@canvasdesigner.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "*://*.instructure.com/*",
    "*://*.canvas.net/*",
    "*://*.canvaslms.com/*"
  ],
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Canvas Designer"
  },
  "background": {
    "scripts": [
      "background/service_worker.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.instructure.com/*",
        "*://*.canvas.net/*",
        "*://*.canvaslms.com/*"
      ],
      "js": [
        "content/content_script.js",
        "content/content_script_panel.js"
      ],
      "css": [
        "content/rce_panel.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content/rce_bridge.js",
        "content/content_script_panel.js"
      ],
      "matches": [
        "*://*.instructure.com/*",
        "*://*.canvas.net/*",
        "*://*.canvaslms.com/*"
      ]
    }
  ]
}