Examine source code of codeOCR

{
  "manifest_version": 3,
  "name": "codeOCR",
  "version": "1.2",
  "description": "Language-aware OCR for code snippets.",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "codeocr@vladika.net",
      "strict_min_version": "112.0"
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "clipboardWrite",
    "downloads",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "Take Code Screenshot"
  },
  "commands": {
    "toggle-selection-mode": {
      "suggested_key": {
        "default": "Alt+C",
        "mac": "Alt+C"
      },
      "description": "Toggle selection mode for codeOCR"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "display.js"
      ],
      "run_at": "document_idle"
    }
  ]
}