Examine source code of Tab Session Manager

{
  "manifest_version": 3,
  "name": "Tab Session Manager",
  "version": "1.0.0",
  "description": "Save, manage, and restore your browser tab sessions with one click.",
  "permissions": [
    "tabs",
    "storage",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "save-session": {
      "suggested_key": {
        "default": "Ctrl+Shift+S"
      },
      "description": "Save current session"
    },
    "search-sessions": {
      "suggested_key": {
        "default": "Ctrl+Shift+F"
      },
      "description": "Search sessions"
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-session-manager@ysr-hameed",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}