Examine source code of Keyword Click Tracker

{
  "manifest_version": 3,
  "name": "Keyword Click Tracker",
  "version": "3.7",
  "description": "Click counter with clear export/edit icons, improved drag, visibility toggle and monthly ZIP export with per‑keyword CSVs.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "keyword-tracker@example.com",
      "strict_min_version": "117.0"
    }
  }
}