Examine source code of Shurmanoide AI

{
  "manifest_version": 3,
  "name": "Shurmanoide AI",
  "version": "4.4",
  "description": "Generador de respuestas forococheras usando IA (Gemini Flash).",
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://generativelanguage.googleapis.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon.png",
      "48": "icon.png",
      "128": "icon.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.forocoches.com/*",
        "*://forocoches.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "shurmanoie-ai@shurmano.com",
      "strict_min_version": "109.0"
    }
  }
}