Set or update visibility for a path (folder prefix or individual file). Creates the setting if it does not exist.
Authentication via JWT token or API key. JWT: Get from Veryfront dashboard. API Key: Format "vf_
Project ID or slug
URL-encoded path — folder prefix (e.g., "public%2F") or file path (e.g., "docs%2Ffinance.pdf")
project, public, private