Examine source code of Sensitive Data Obfuscator

{
  "manifest_version": 2,
  "name": "Sensitive Data Obfuscator",
  "version": "1.0.2",
  "description": "Automatically obfuscates sensitive information (credit cards, phone numbers, emails, etc.) when pasting text into LLM platforms to protect your privacy.",
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/smart-dlp.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_title": "Sensitive Data Obfuscator",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "src/obfuscation-patterns.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "sensitive-data-obfuscator-firefox@extension.local"
    }
  }
}