{
  "status": "ok",
  "service": "Reign Estimate Sender",
  "endpoints": [
    "POST /send (auth)",
    "POST /preview (auth)",
    "POST /scan (auth)",
    "POST /webhook/stripe",
    "GET /photo/:id",
    "GET /approve/:id",
    "GET /photo-permanent/:id",
    "GET /approve-permanent/:id"
  ]
}