Examine source code of Better DeepSeek

{
  "manifest_version": 3,
  "name": "Better DeepSeek",
  "version": "0.1.8",
  "description": "Enhanced UX layer for DeepSeek with hidden prompts, tools, memory, document generation, and long-work packaging.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://chat.deepseek.com/*",
    "https://codeload.github.com/*",
    "https://cdn.jsdelivr.net/*",
    "https://pyscript.net/*",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chat.deepseek.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "injected.js",
        "sandbox.html",
        "sandbox.js",
        "static/loading/*.svg"
      ],
      "matches": [
        "https://chat.deepseek.com/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sandbox": {
    "pages": [
      "sandbox.html"
    ]
  },
  "action": {
    "default_title": "Better DeepSeek"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "betterdeepseek@goygoyengine.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}