Examine source code of Search all Tabs

{
  "manifest_version": 3,
  "version": "0.6.3",
  "name": "Search all Tabs",
  "description": "__MSG_description__",
  "default_locale": "en",
  "icons": {
    "16": "/data/icons/16.png",
    "32": "/data/icons/32.png",
    "48": "/data/icons/48.png",
    "64": "/data/icons/64.png",
    "128": "/data/icons/128.png",
    "256": "/data/icons/256.png",
    "512": "/data/icons/512.png"
  },
  "offline_enabled": true,
  "homepage_url": "https://webextension.org/listing/search-all-tabs.html",
  "permissions": [
    "storage",
    "contextMenus",
    "scripting",
    "favicon",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "optional_permissions": [
    "tabs"
  ],
  "action": {
    "default_popup": "/data/popup/index.html"
  },
  "background": {
    "service_worker": "worker.js",
    "scripts": [
      "context.js",
      "worker.js"
    ]
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "commands": {
    "_execute_action": {}
  },
  "options_ui": {
    "page": "/data/options/index.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{76b6ec7e-5411-4d36-9aa5-2bb08e31c27e}",
      "strict_min_version": "128.0"
    }
  }
}