diff --git a/backend/internal/models/user.go b/backend/internal/models/user.go
index 29a4a9e..f7fb664 100755
--- a/backend/internal/models/user.go
+++ b/backend/internal/models/user.go
@@ -1,109 +1,105 @@
-package models
-
-import (
-	"encoding/json"
-	"time"
-)
-
-// User represents a system user (SuperAdmin, CompanyAdmin, Recruiter, or JobSeeker)
-type User struct {
-	ID           string `json:"id" db:"id"`
-	Identifier   string `json:"identifier" db:"identifier"`
-	PasswordHash string `json:"-" db:"password_hash"` // Never expose password hash in JSON
-	Role         string `json:"role" db:"role"`       // superadmin, admin, recruiter, candidate
-
-	// Personal Info
-	FullName  string  `json:"fullName" db:"full_name"`
-	Phone     *string `json:"phone,omitempty" db:"phone"`
-	LineID    *string `json:"lineId,omitempty" db:"line_id"`
-	WhatsApp  *string `json:"whatsapp,omitempty" db:"whatsapp"`
-	Instagram *string `json:"instagram,omitempty" db:"instagram"`
-
-	// Candidate Profile Info
-	BirthDate  *time.Time `json:"birthDate,omitempty" db:"birth_date"`
-	Address    *string    `json:"address,omitempty" db:"address"`
-	City       *string    `json:"city,omitempty" db:"city"`
-	State      *string    `json:"state,omitempty" db:"state"`
-	ZipCode    *string    `json:"zipCode,omitempty" db:"zip_code"`
-	Education  *string    `json:"education,omitempty" db:"education"`
-	Experience *string    `json:"experience,omitempty" db:"experience"`
-	Skills     []string   `json:"skills,omitempty" db:"skills"`
-	Objective  *string    `json:"objective,omitempty" db:"objective"`
-	Title      *string    `json:"title,omitempty" db:"title"`
-	Bio        *string    `json:"bio,omitempty" db:"bio"`
-	AvatarURL  *string    `json:"avatarUrl,omitempty" db:"avatar_url"`
-
-	// Settings
-	Language string `json:"language" db:"language"` // pt, en, es, ja
-	Active   bool   `json:"active" db:"active"`
-
-	// Metadata
-	CreatedAt   time.Time  `json:"createdAt" db:"created_at"`
-	UpdatedAt   time.Time  `json:"updatedAt" db:"updated_at"`
-	LastLoginAt *time.Time `json:"lastLoginAt,omitempty" db:"last_login_at"`
-
-	// Profile Profile
-	Bio               *string `json:"bio,omitempty" db:"bio"`
-	ProfilePictureURL *string `json:"profilePictureUrl,omitempty" db:"profile_picture_url"`
-	Skills            []byte  `json:"skills,omitempty" db:"skills"`         // JSONB
-	Experience        []byte  `json:"experience,omitempty" db:"experience"` // JSONB
-	Education         []byte  `json:"education,omitempty" db:"education"`   // JSONB
-}
-
-// UserResponse is the public representation of a user (without sensitive data)
-type UserResponse struct {
-	ID                string     `json:"id"`
-	Identifier        string     `json:"identifier"`
-	Role              string     `json:"role"`
-	FullName          string     `json:"fullName"`
-	Phone             *string    `json:"phone,omitempty"`
-	LineID            *string    `json:"lineId,omitempty"`
-	WhatsApp          *string    `json:"whatsapp,omitempty"`
-	Instagram         *string    `json:"instagram,omitempty"`
-	Language          string     `json:"language"`
-	Active            bool       `json:"active"`
-	CreatedAt         time.Time  `json:"createdAt"`
-	LastLoginAt       *time.Time `json:"lastLoginAt,omitempty"`
-	Bio               *string    `json:"bio,omitempty"`
-	ProfilePictureURL *string    `json:"profilePictureUrl,omitempty"`
-	Skills            []string   `json:"skills,omitempty"`
-	Experience        []any      `json:"experience,omitempty"`
-	Education         []any      `json:"education,omitempty"`
-}
-
-// ToResponse converts User to UserResponse
-func (u *User) ToResponse() UserResponse {
-	// Helper to unmarshal JSONB
-	var skills []string
-	if len(u.Skills) > 0 {
-		_ = json.Unmarshal(u.Skills, &skills)
-	}
-	var experience []any
-	if len(u.Experience) > 0 {
-		_ = json.Unmarshal(u.Experience, &experience)
-	}
-	var education []any
-	if len(u.Education) > 0 {
-		_ = json.Unmarshal(u.Education, &education)
-	}
-
-	return UserResponse{
-		ID:                u.ID,
-		Identifier:        u.Identifier,
-		Role:              u.Role,
-		FullName:          u.FullName,
-		Phone:             u.Phone,
-		LineID:            u.LineID,
-		WhatsApp:          u.WhatsApp,
-		Instagram:         u.Instagram,
-		Language:          u.Language,
-		Active:            u.Active,
-		CreatedAt:         u.CreatedAt,
-		LastLoginAt:       u.LastLoginAt,
-		Bio:               u.Bio,
-		ProfilePictureURL: u.ProfilePictureURL,
-		Skills:            skills,
-		Experience:        experience,
-		Education:         education,
-	}
-}
+package models
+
+import (
+	"encoding/json"
+	"time"
+)
+
+// User represents a system user (SuperAdmin, CompanyAdmin, Recruiter, or JobSeeker)
+type User struct {
+	ID           string `json:"id" db:"id"`
+	Identifier   string `json:"identifier" db:"identifier"`
+	PasswordHash string `json:"-" db:"password_hash"` // Never expose password hash in JSON
+	Role         string `json:"role" db:"role"`       // superadmin, admin, recruiter, candidate
+
+	// Personal Info
+	FullName  string  `json:"fullName" db:"full_name"`
+	Phone     *string `json:"phone,omitempty" db:"phone"`
+	LineID    *string `json:"lineId,omitempty" db:"line_id"`
+	WhatsApp  *string `json:"whatsapp,omitempty" db:"whatsapp"`
+	Instagram *string `json:"instagram,omitempty" db:"instagram"`
+
+	// Candidate Profile Info
+	BirthDate *time.Time `json:"birthDate,omitempty" db:"birth_date"`
+	Address   *string    `json:"address,omitempty" db:"address"`
+	City      *string    `json:"city,omitempty" db:"city"`
+	State     *string    `json:"state,omitempty" db:"state"`
+	ZipCode   *string    `json:"zipCode,omitempty" db:"zip_code"`
+	Objective *string    `json:"objective,omitempty" db:"objective"`
+	Title     *string    `json:"title,omitempty" db:"title"`
+	AvatarURL *string    `json:"avatarUrl,omitempty" db:"avatar_url"`
+
+	// Profile (JSONB fields)
+	Bio               *string `json:"bio,omitempty" db:"bio"`
+	ProfilePictureURL *string `json:"profilePictureUrl,omitempty" db:"profile_picture_url"`
+	Skills            []byte  `json:"skills,omitempty" db:"skills"`         // JSONB
+	Experience        []byte  `json:"experience,omitempty" db:"experience"` // JSONB
+	Education         []byte  `json:"education,omitempty" db:"education"`   // JSONB
+
+	// Settings
+	Language string `json:"language" db:"language"` // pt, en, es, ja
+	Active   bool   `json:"active" db:"active"`
+
+	// Metadata
+	CreatedAt   time.Time  `json:"createdAt" db:"created_at"`
+	UpdatedAt   time.Time  `json:"updatedAt" db:"updated_at"`
+	LastLoginAt *time.Time `json:"lastLoginAt,omitempty" db:"last_login_at"`
+}
+
+// UserResponse is the public representation of a user (without sensitive data)
+type UserResponse struct {
+	ID                string     `json:"id"`
+	Identifier        string     `json:"identifier"`
+	Role              string     `json:"role"`
+	FullName          string     `json:"fullName"`
+	Phone             *string    `json:"phone,omitempty"`
+	LineID            *string    `json:"lineId,omitempty"`
+	WhatsApp          *string    `json:"whatsapp,omitempty"`
+	Instagram         *string    `json:"instagram,omitempty"`
+	Language          string     `json:"language"`
+	Active            bool       `json:"active"`
+	CreatedAt         time.Time  `json:"createdAt"`
+	LastLoginAt       *time.Time `json:"lastLoginAt,omitempty"`
+	Bio               *string    `json:"bio,omitempty"`
+	ProfilePictureURL *string    `json:"profilePictureUrl,omitempty"`
+	Skills            []string   `json:"skills,omitempty"`
+	Experience        []any      `json:"experience,omitempty"`
+	Education         []any      `json:"education,omitempty"`
+}
+
+// ToResponse converts User to UserResponse
+func (u *User) ToResponse() UserResponse {
+	// Helper to unmarshal JSONB
+	var skills []string
+	if len(u.Skills) > 0 {
+		_ = json.Unmarshal(u.Skills, &skills)
+	}
+	var experience []any
+	if len(u.Experience) > 0 {
+		_ = json.Unmarshal(u.Experience, &experience)
+	}
+	var education []any
+	if len(u.Education) > 0 {
+		_ = json.Unmarshal(u.Education, &education)
+	}
+
+	return UserResponse{
+		ID:                u.ID,
+		Identifier:        u.Identifier,
+		Role:              u.Role,
+		FullName:          u.FullName,
+		Phone:             u.Phone,
+		LineID:            u.LineID,
+		WhatsApp:          u.WhatsApp,
+		Instagram:         u.Instagram,
+		Language:          u.Language,
+		Active:            u.Active,
+		CreatedAt:         u.CreatedAt,
+		LastLoginAt:       u.LastLoginAt,
+		Bio:               u.Bio,
+		ProfilePictureURL: u.ProfilePictureURL,
+		Skills:            skills,
+		Experience:        experience,
+		Education:         education,
+	}
+}