Examine source code of AI Paste Guard

{
  "manifest_version": 3,
  "name": "AI Paste Guard",
  "version": "1.0.2",
  "description": "Prevents accidental leakage of API keys, tokens, and credentials into AI platforms.",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [],
  "host_permissions": [
    "https://chatgpt.com/*",
    "https://claude.ai/*",
    "https://gemini.google.com/*",
    "https://copilot.microsoft.com/*",
    "https://www.bing.com/*",
    "https://perplexity.ai/*",
    "https://www.perplexity.ai/*",
    "https://poe.com/*",
    "https://huggingface.co/*",
    "https://chat.mistral.ai/*",
    "https://chat.deepseek.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chatgpt.com/*",
        "https://claude.ai/*",
        "https://gemini.google.com/*",
        "https://copilot.microsoft.com/*",
        "https://www.bing.com/*",
        "https://perplexity.ai/*",
        "https://www.perplexity.ai/*",
        "https://poe.com/*",
        "https://huggingface.co/*",
        "https://chat.mistral.ai/*",
        "https://chat.deepseek.com/*"
      ],
      "js": [
        "patterns.js",
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-paste-guard@jugalJoshi",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}