Examine source code of WebTrace - History Manager

{
  "manifest_version": 3,
  "name": "WebTrace – Browser History Manager",
  "version": "0.0.1",
  "description": "A privacy-focused, high-performance browser history manager with advanced search and organization features.",
  "browser_specific_settings": {
    "gecko": {
      "id": "better-history@local.extension",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    }
  },
  "permissions": [
    "history",
    "tabs",
    "storage",
    "notifications",
    "downloads",
    "sessions",
    "clipboardRead",
    "management",
    "bookmarks",
    "alarms"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup-history.html",
    "default_title": "WebTrace",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "commands": {
    "toggle-favorite": {
      "suggested_key": {
        "default": "Ctrl+D",
        "mac": "Command+D"
      },
      "description": "Toggle favorite for current page"
    },
    "open-favorites": {
      "suggested_key": {
        "default": "Ctrl+Shift+F",
        "mac": "Command+Shift+F"
      },
      "description": "Open favorites page"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content-extractor.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}