Examine source code of AI Writing Assistant

{
  "manifest_version": 2,
  "name": "AI Writing Assistant",
  "version": "1.0.1",
  "description": "Grammar checking, text improvement, and writing tools for Firefox. All processing is local — your text never leaves your browser.",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "grammar.js",
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-writing-assistant@paperclip.ing",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "websiteActivity"
        ],
        "optional": []
      }
    }
  }
}