Tab Sentinel Tab Suspender (Open Source)

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Tab Sentinel Tab Suspender (Open Source)",
    "version": "1.9",
    "description": "Automatically suspends inactive tabs after a specified time. Basic Cookie Manager.",
    "permissions": [
        "tabs",
        "storage",
        "scripting",
        "alarms",
        "activeTab",
        "cookies",
        "tabs"
    ],
    "host_permissions": [
        "https:\/\/*\/*",
        "http:\/\/*\/*"
    ],
    "background": {
        "service_worker": "js\/background.js",
        "type": "module"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "\/img\/icon_bg.png"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ],
    "action": {
        "default_popup": "main.html",
        "default_icon": "\/img\/icon.png"
    },
    "content_scripts": []
}