Examine source code of LLM Viewer

{
  "manifest_version": 3,
  "name": "LLM Viewer — See your page as an AI crawler",
  "version": "1.0.0",
  "description": "See any page as GPTBot, ClaudeBot and PerplexityBot see it: no JavaScript, no cookies. One click, in the sidebar.",
  "homepage_url": "https://snipki.de",
  "browser_specific_settings": {
    "gecko": {
      "id": "llm-viewer@snipki.de",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "scripting",
    "storage",
    "contextMenus",
    "webRequest",
    "webRequestBlocking",
    "clipboardWrite"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "sidebar_action": {
    "default_panel": "viewer.html",
    "default_title": "LLM Viewer — see this page as an AI",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png"
    },
    "open_at_install": false
  },
  "action": {
    "default_title": "See this page as an AI (Alt+Shift+A)",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Alt+Shift+A"
      },
      "description": "Open the AI view panel"
    }
  }
}