Examine source code of Limit Skip

{
  "manifest_version": 2,
  "name": "Limit Skip",
  "version": "2.1.1",
  "description": "Hit your AI chat limit? Save your conversation and seamlessly continue it on another account — no copy-paste, no lost context.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs",
    "alarms",
    "https://claude.ai/*",
    "https://chatgpt.com/*",
    "https://chat.openai.com/*",
    "https://aistudio.google.com/*",
    "https://gemini.google.com/*",
    "https://grok.com/*",
    "https://x.com/*",
    "https://copilot.microsoft.com/*",
    "https://www.bing.com/*",
    "https://perplexity.ai/*",
    "https://www.perplexity.ai/*",
    "https://chat.deepseek.com/*",
    "https://chat.mistral.ai/*",
    "https://coral.cohere.com/*",
    "https://meta.ai/*",
    "https://poe.com/*",
    "https://ncoknbhllgjotwxrdhki.supabase.co/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://claude.ai/*",
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://aistudio.google.com/*",
        "https://gemini.google.com/*",
        "https://grok.com/*",
        "https://x.com/*",
        "https://copilot.microsoft.com/*",
        "https://www.bing.com/*",
        "https://perplexity.ai/*",
        "https://www.perplexity.ai/*",
        "https://chat.deepseek.com/*",
        "https://chat.mistral.ai/*",
        "https://coral.cohere.com/*",
        "https://meta.ai/*",
        "https://poe.com/*"
      ],
      "js": [
        "browser-polyfill.js",
        "content.js"
      ],
      "css": [
        "button.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "limit-skip@extension",
      "strict_min_version": "109.0"
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  }
}