manifest.json

{
  "manifest_version": 3,
  "name": "Dev Break Enforcer",
  "version": "1.0.0",
  "description": "Forces developers to take 1-minute health breaks every hour. Locks the browser until you walk and drink water.",
  "permissions": ["alarms", "storage", "tabs", "scripting"],
  "host_permissions": ["<all_urls>"],
  "background": {
    "service_worker": "background/service-worker.js"
  },
  "content_scripts": [{
    "matches": ["<all_urls>"],
    "js": ["content/overlay.js"],
    "run_at": "document_idle"
  }],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "Dev Break Enforcer"
  },
  "options_page": "options/options.html",
  "icons": {
    "16": "assets/icons/icon16.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "web_accessible_resources": [{
    "resources": ["overlay/overlay.html", "overlay/overlay.css", "overlay/overlay.js"],
    "matches": ["<all_urls>"]
  }]
}