Examine source code of YT Tutor

{
  "manifest_version": 3,
  "name": "YT Tutor",
  "version": "1.0.6",
  "description": "Chat with YouTube videos using AI. Take notes in a persistent notebook.",
  "permissions": [
    "scripting",
    "storage",
    "tabs",
    "menus"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://api.anthropic.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content/youtube.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content/webpage.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "sidebar_action": {
    "default_panel": "sidebar/index.html",
    "default_title": "Open YT Tutor"
  },
  "action": {
    "default_title": "Open YT Tutor"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "yt-tutor@extension",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}