Examine source code of BTDS (Better DeepSeek)

{
  "manifest_version": 2,
  "name": "BTDS (BetterDeepSeek)",
  "description": "DeepSeek Prompt Enhancer. Supercharge your DeepSeek chats with instant prefix/suffix shortcuts",
  "version": "1.1",
  "icons": {
    "48": "icons/btds-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "btds@oronk.ch",
      "strict_min_version": "78.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chat.deepseek.com/*"
      ],
      "js": [
        "improve_input.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_title": "BTDS",
    "default_popup": "popup/manage_options.html"
  }
}