manifest.json

{
    "manifest_version": 3,
    "name": "EyeProtection",
    "version": "1.0",
    "description": "An extension to protect your eyes with the 20-20-20 rule and customizable schedules.",
    "permissions": [
        "storage",
        "notifications",
        "tabs",
        "activeTab"
    ],
    "action": {
        "default_popup": "popup.html",  
        "default_icon": {
            "16": "images/hourglass.png",
            "48": "images/hourglass.png",
            "128": "images/hourglass.png"
        },
        "default_title": "Eye Protection Timer"
    },
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": ["<all_urls>"],
            "js": ["content_script.js"] 
        }
    ],
    "icons": {
        "16": "images/hourglass.png",
        "48": "images/hourglass.png",
        "128": "images/hourglass.png"
    },
    "commands": {
        "activate_extension": {
            "suggested_key": {
                "default": "Ctrl+E",
                "mac": "Command+E"
            },
            "description": "Activate the extension"
        }
    },
    "options_page": "options.html"
}