Examine source code of Simplify

{
  "manifest_version": 3,
  "name": "Simplify",
  "version": "1.0.5",
  "description": "Reader mode strips clutter locally. Selected text is sent to our AI service for simplification (with consent).",
  "permissions": [
    "activeTab",
    "contextMenus",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://ai-proxy-production-6b92.up.railway.app/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Simplify",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "commands": {
    "toggle-simplify": {
      "suggested_key": {
        "default": "Alt+Shift+S",
        "mac": "Alt+Shift+S"
      },
      "description": "Toggle Simplify reader mode"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "content/reader.css",
        "popup/popup.html",
        "popup/popup.css",
        "popup/popup.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "simplify@extendforge.com",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "websiteContent"
        ]
      }
    }
  }
}