package models import ( "time" ) type User struct { ID int64 `json:"id" db:"id"` Username string `json:"username" db:"username"` Password string `json:"-" db:"password"` // Never expose password in JSON Email string `json:"email" db:"email"` Role string `json:"role" db:"role"` // "admin" or "user" Active bool `json:"active" db:"active"` CreatedAt time.Time `json:"created_at" db:"created_at"` UpdatedAt time.Time `json:"updated_at" db:"updated_at"` } type LoginRequest struct { Username string `json:"username" binding:"required"` Password string `json:"password" binding:"required"` } type LoginResponse struct { Token string `json:"token"` User User `json:"user"` }