Update Product

Authorization: Bearer <jwt_token>
Content-Type: application/json

curl -X PATCH https://api.example.com/api/products/507f1f77bcf86cd799439011 \
  -H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..." \
  -H "Content-Type: application/json" \
  -d '{
    "price": 89.99,
    "stock": 150
  }'

{
  "message": "Product updated successfully",
  "product": {
    "_id": "507f1f77bcf86cd799439011",
    "name": "Bitcoin Mining Course",
    "description": "Learn how to mine Bitcoin from scratch",
    "price": 89.99,
    "stock": 150,
    "category": "digital",
    "image": "https://example.com/images/bitcoin-course.jpg",
    "createdBy": "507f1f77bcf86cd799439000",
    "isActive": true,
    "createdAt": "2026-03-04T10:30:00.000Z",
    "updatedAt": "2026-03-04T14:45:00.000Z"
  }
}

{
  "error": "Product not found"
}

{
  "error": "Authentication required"
}

{
  "error": "Admin access required"
}

{
  "error": "Database connection failed"
}