Clutter Free - Prevent duplicate tabs

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "version": "2024.0811.9.3",
    "version_name": "9.3.0",
    "name": "__MSG_appName__",
    "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4F2SzP6DZiENrpMLBLe1Iqow0IzvoPyUhTLzbHhnAgvxTFT2ENpnsw9ux32z42Gcph2RHyE7+RqCBHKhIzPRbAgO7CzGi8wezTc0N\/ToTlNY2MGdS\/I3UjiFZmgc49WkNpf4sM2j\/Y0yK9CjdWKIKB+XR5aCsnxf9Q90sfmNmFKohi8wX9raJ0nA0hAvipwoUQk7mkZJPj0xjvxFdDLqrqH6VdwNjK6lHOFNfLKmajpI\/+zcv4G15h7mLYqvt0rmzplFmgW0mcX4iBIiSL7RneVNd19cdmy\/WtwNAcn9YVrRQ1LdLZH7HRx4l9kHypnI76LzZbrnaqKqitgX9vzC9QIDAQAB",
    "manifest_version": 3,
    "background": {
        "service_worker": "js\/bgscript.js"
    },
    "action": {
        "default_icon": {
            "16": "img\/browser_action\/cf16.png",
            "24": "img\/browser_action\/cf24.png",
            "32": "img\/browser_action\/cf32.png"
        },
        "default_title": "__MSG_browserButtonTitle__"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "js\/ext\/jquery-3.3.1.min.js",
                "js\/ext\/lodash.min.js",
                "js\/constants.js",
                "js\/ls.js",
                "js\/utils.js",
                "js\/settings.js",
                "js\/listControl.js",
                "js\/aumControl.js",
                "js\/cf.js"
            ],
            "css": [
                "css\/cf.css"
            ],
            "all_frames": true
        },
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "js\/notificationConstants.js",
                "js\/notify.js"
            ],
            "css": [
                "css\/notify.css"
            ]
        }
    ],
    "commands": {
        "_execute_action": {
            "suggested_key": {
                "default": "Ctrl+Shift+F"
            }
        },
        "kbd_cmd_1": {
            "suggested_key": {
                "default": "Alt+Shift+D"
            },
            "description": "__MSG_options_keyboard_shortcuts_item_1__"
        },
        "kbd_cmd_2": {
            "description": "__MSG_options_keyboard_shortcuts_item_2__"
        },
        "kbd_cmd_3": {
            "description": "__MSG_options_keyboard_shortcuts_item_3__"
        },
        "kbd_cmd_4": {
            "suggested_key": {
                "default": "Ctrl+Shift+X"
            },
            "description": "__MSG_options_keyboard_shortcuts_item_4__"
        },
        "kbd_cmd_5": {
            "suggested_key": {
                "default": "Ctrl+Shift+L"
            },
            "description": "__MSG_options_keyboard_shortcuts_item_5__"
        }
    },
    "default_locale": "en",
    "description": "__MSG_appDescription__",
    "icons": {
        "16": "img\/cf16.png",
        "32": "img\/cf32.png",
        "48": "img\/cf48.png",
        "128": "img\/cf128.png"
    },
    "offline_enabled": true,
    "omnibox": {
        "keyword": "cf"
    },
    "options_page": "options.html",
    "web_accessible_resources": [
        {
            "resources": [
                "img\/*"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ],
    "host_permissions": [
        "<all_urls>"
    ],
    "permissions": [
        "contextMenus",
        "notifications",
        "alarms",
        "storage",
        "unlimitedStorage",
        "tabs",
        "webRequest",
        "scripting"
    ],
    "short_name": "__MSG_shortName__",
    "externally_connectable": {
        "matches": [
            "https:\/\/*.oorjalabs.com\/*"
        ]
    }
}