manifest.json

{
  "manifest_version": 3,
  "name": "Simple Focus Mode",
  "version": "0.2",
  "description": "A Chrome extension to improve productivity and reduce distractions.",
  "permissions": ["storage", "declarativeNetRequest", "notifications", "declarativeNetRequestFeedback"],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"

  },
  "options_page": "options.html",
  "background": {
    "service_worker": "./js/background.js"
  },
  "content_scripts": [
    {
      "matches": ["*://*/*"],
      "js": ["./js/content.js"]
    }
  ],
  "web_accessible_resources": [{ 
    "resources": ["clock_alarm.mp3"],
    "matches": ["<all_urls>"]
  }],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "rules",
        "path": "rules.json",
        "enabled": true
      }
    ]
  }
}