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manifest.json

{
  "manifest_version": 2,
  "name": "Opened & Closed Tab Counter",
  "version": "2026.7.10",
  "description": "Counts daily opened and closed tabs, displaying count delta in the addon badge, more details on addon icon hover, and count delta history in a popup",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e5292467-a0c9-4854-982b-6a12aaf21609}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "alarms",
    "sessions"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.svg",
    "default_popup": "popup.html"
  },
  "icons": {
    "24": "icon.svg",
    "32": "icon.svg",
    "48": "icon.svg"
  }
}