Examine source code of TabBrain

{
  "manifest_version": 3,
  "name": "TabBrain",
  "version": "0.4.0",
  "description": "Smart tab triage — auto-detects duplicates, clusters by topic, cleans stale tabs, keeps a rescue list.",
  "permissions": [
    "tabs",
    "storage",
    "notifications",
    "bookmarks",
    "alarms",
    "contextualIdentities"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tabbrain@aristide.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "sidebar_action": {
    "default_panel": "sidebar/sidebar.html",
    "default_icon": {
      "16": "icons/icon-16.svg",
      "48": "icons/icon-48.svg",
      "96": "icons/icon-96.svg"
    },
    "default_title": "TabBrain",
    "open_at_install": false
  },
  "options_ui": {
    "page": "popup/settings.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "lib/tracker.js",
      "lib/classifier.js",
      "lib/clusterer.js",
      "lib/rescue.js",
      "lib/deduplicator.js",
      "lib/stalecleaner.js",
      "lib/snooze.js",
      "lib/frequency.js",
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.svg",
      "48": "icons/icon-48.svg",
      "96": "icons/icon-96.svg"
    },
    "default_title": "TabBrain"
  },
  "icons": {
    "16": "icons/icon-16.svg",
    "48": "icons/icon-48.svg",
    "96": "icons/icon-96.svg",
    "128": "icons/icon-128.svg"
  }
}