Examine source code of AI Guard by NURA

{
  "manifest_version": 3,
  "name": "AI GUARD by NURA",
  "description": "AI GUARD by NURA — prevents accidental sharing of sensitive data with AI platforms",
  "version": "1.15.1",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "*://chatgpt.com/*",
    "*://claude.ai/*",
    "*://gemini.google.com/*",
    "*://www.perplexity.ai/*",
    "*://copilot.microsoft.com/*",
    "*://chat.deepseek.com/*",
    "*://api.deepseek.com/*",
    "*://app.nurasecurity.com/*",
    "*://*.app.nurasecurity.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "AI GUARD by NURA",
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "injected.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "nura-comply@gearheart.io",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "personallyIdentifyingInfo",
          "authenticationInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/auth/extension-login-success*"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/auth.js"
      ]
    },
    {
      "matches": [
        "*://api.deepseek.com/*",
        "*://chat.deepseek.com/*",
        "*://chatgpt.com/*",
        "*://claude.ai/*",
        "*://copilot.microsoft.com/*",
        "*://gemini.google.com/*",
        "*://www.perplexity.ai/*"
      ],
      "run_at": "document_start",
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}