Examine source code of Smart Bookmarks

{
  "manifest_version": 3,
  "name": "Smart Bookmarks",
  "version": "1.1.8",
  "description": "Save multiple tabs as bookmarks with thumbnails, auto-categorize them, and sync across browsers via Google Drive or OneDrive.",
  "permissions": [
    "tabs",
    "bookmarks",
    "storage",
    "activeTab",
    "contextMenus",
    "notifications",
    "identity"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://accounts.google.com/*",
    "https://www.googleapis.com/*",
    "https://login.microsoftonline.com/*",
    "https://graph.microsoft.com/*"
  ],
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Smart Bookmarks"
  },
  "background": {
    "scripts": [
      "src/services/googleAuth.js",
      "src/services/googleDrive.js",
      "src/services/microsoftAuth.firefox.js",
      "src/services/oneDrive.firefox.js",
      "src/background/background.firefox.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "commands": {
    "save-selected-tabs": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S"
      },
      "description": "Save selected tabs as bookmarks"
    },
    "save-current-tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+D",
        "mac": "Command+Shift+D"
      },
      "description": "Save current tab as bookmark"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "devnerdchic@gmail.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}