feat: update user model

internal/db/migrations/00021_add_meta_column_to_users_table.sql

@@ -0,0 +1,9 @@
+-- +goose Up
+-- +goose StatementBegin
+ALTER TABLE users ADD COLUMN meta JSONB;
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+ALTER TABLE users DROP COLUMN meta;
+-- +goose StatementEnd

internal/model/user.go

@@ -6,10 +6,11 @@ type User struct {
 	ID    string `db:"id"`
 	Email string `db:"email"`
 	// Allow null for passwordless users
-	PasswordHash    *string    `db:"password_hash"`
-	PendingEmail    *string    `db:"pending_email"`
-	EmailVerifiedAt *time.Time `db:"email_verified_at"`
-	CreatedAt       time.Time  `db:"created_at"`
+	PasswordHash    *string         `db:"password_hash"`
+	PendingEmail    *string         `db:"pending_email"`
+	EmailVerifiedAt *time.Time      `db:"email_verified_at"`
+	CreatedAt       time.Time       `db:"created_at"`
+	Meta            *map[string]any `db:"meta"`
 }
 
 func (u *User) HasPassword() bool {