Enhanced Property Investment Calculator

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Enhanced Property Investment Calculator",
    "version": "3.1",
    "description": "An extension with enhanced features for Cash Flow, Purchasing Power, Property Investment calculations, and Personal Details.",
    "permissions": [
        "windows",
        "storage"
    ],
    "action": {
        "default_popup": "popup.html",
        "default_title": "Property Investment Calculator"
    },
    "background": {
        "service_worker": "background.js"
    },
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self'"
    }
}