Examine source code of Velum Lite — Redact & Mask PII for ChatGPT, Claude

{
  "manifest_version": 3,
  "name": "Velum Lite: Mask PII in AI Chats",
  "version": "0.11.0",
  "description": "Mask PII before it reaches ChatGPT, Claude or any AI assistant, and restore it in the reply. 100% on-device, no internet.",
  "permissions": [
    "clipboardWrite",
    "storage",
    "scripting"
  ],
  "optional_host_permissions": [
    "https://claude.ai/*",
    "https://chatgpt.com/*",
    "https://gemini.google.com/*",
    "http://127.0.0.1/*",
    "http://localhost/*"
  ],
  "background": {
    "page": "background.html"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Velum Lite",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "models/*",
        "chunks/*"
      ],
      "matches": [
        "https://claude.ai/*",
        "https://chatgpt.com/*",
        "https://gemini.google.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "velum-lite@velumprivacy.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}