Examine source code of Half-Screen Focus

{
  "manifest_version": 3,
  "name": "Half-Screen Focus",
  "version": "1.0",
  "description": "Reduces compulsive browsing by applying visual friction after a time limit.",
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "Half-Screen Focus Settings"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "half-screen-focus@antigravity.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}