Examine source code of Tab Stations

{
  "manifest_version": 3,
  "name": "Tab Stations",
  "version": "0.1.0",
  "description": "Organize open Firefox tabs into private, per-window workspaces.",
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "tabHide",
    "storage",
    "sessions",
    "menus"
  ],
  "optional_permissions": [
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false,
    "type": "module"
  },
  "action": {
    "default_title": "Open Tab Stations",
    "default_icon": "icons/icon.svg"
  },
  "sidebar_action": {
    "default_title": "Tab Stations",
    "default_panel": "sidebar/sidebar.html",
    "default_icon": "icons/icon.svg",
    "open_at_install": false
  },
  "options_ui": {
    "page": "settings/settings.html",
    "open_in_tab": true
  },
  "commands": {
    "next-space": {
      "description": "Activate the next Tab Station"
    },
    "previous-space": {
      "description": "Activate the previous Tab Station"
    },
    "activate-space-1": {
      "description": "Activate Tab Station shortcut slot 1"
    },
    "activate-space-2": {
      "description": "Activate Tab Station shortcut slot 2"
    },
    "activate-space-3": {
      "description": "Activate Tab Station shortcut slot 3"
    },
    "activate-space-4": {
      "description": "Activate Tab Station shortcut slot 4"
    },
    "activate-space-5": {
      "description": "Activate Tab Station shortcut slot 5"
    },
    "activate-space-6": {
      "description": "Activate Tab Station shortcut slot 6"
    },
    "activate-space-7": {
      "description": "Activate Tab Station shortcut slot 7"
    },
    "activate-space-8": {
      "description": "Activate Tab Station shortcut slot 8"
    },
    "activate-space-9": {
      "description": "Activate Tab Station shortcut slot 9"
    },
    "activate-space-10": {
      "description": "Activate Tab Station shortcut slot 10"
    },
    "activate-space-11": {
      "description": "Activate Tab Station shortcut slot 11"
    },
    "activate-space-12": {
      "description": "Activate Tab Station shortcut slot 12"
    }
  },
  "incognito": "not_allowed",
  "content_security_policy": {
    "extension_pages": "default-src 'none'; script-src 'self'; style-src 'self'; img-src 'self' data:; object-src 'none'; base-uri 'none'; form-action 'none'; frame-ancestors 'none'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-stations@paulkamradt.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}