66                let status_code = match e {67                    UserError::NotFound(_) => StatusCode::NOT_FOUND,68                    UserError::InvalidUserName(_) => StatusCode::BAD_REQUEST,69                    UserError::NameTaken(_) => StatusCode::CONFLICT,70                    UserError::EmailTaken(_) => StatusCode::CONFLICT,..71                    UserError::SupabaseError(_) => StatusCode::INTERNAL_SERVER_ERROR,72                    UserError::DatabaseError(_) => StatusCode::INTERNAL_SERVER_ERROR,73                };74                let response = AppResponse::new(

66                let status_code = match e {67                    UserError::NotFound(_) => StatusCode::NOT_FOUND,68                    UserError::InvalidUserName(_) => StatusCode::BAD_REQUEST,69                    UserError::NameTaken(_) => StatusCode::CONFLICT,70                    UserError::EmailTaken(_) => StatusCode::CONFLICT,71                    UserError::ReservedName(_) => StatusCode::CONFLICT,72                    UserError::SupabaseError(_) => StatusCode::INTERNAL_SERVER_ERROR,73                    UserError::DatabaseError(_) => StatusCode::INTERNAL_SERVER_ERROR,74                };75                let response = AppResponse::new(

12    NameTaken(String),1314    #[error("Email already taken: {0}")]15    EmailTaken(String),16....17    #[error("Database error: {0}")]18    DatabaseError(#[from] sqlx::Error),1920    #[error("Supabase error: {0}")]

12    NameTaken(String),1314    #[error("Email already taken: {0}")]15    EmailTaken(String),1617    #[error("Reserved name: {0}")]18    ReservedName(String),1920    #[error("Database error: {0}")]21    DatabaseError(#[from] sqlx::Error),22

7};8use crate::error::UserError;9use crate::repository::{10    RepositoryRepository, RepositoryRepositoryImpl, UserRepository, UserRepositoryImpl,11};..1213#[async_trait]14pub trait UserService: Send + Sync + 'static {15    async fn create_user(&self, request: CreateUserRequest) -> Result<UserResponse, UserError>;

7};8use crate::error::UserError;9use crate::repository::{10    RepositoryRepository, RepositoryRepositoryImpl, UserRepository, UserRepositoryImpl,11};12use crate::util::auth::is_reserved_name;1314#[async_trait]15pub trait UserService: Send + Sync + 'static {16    async fn create_user(&self, request: CreateUserRequest) -> Result<UserResponse, UserError>;

62{63    async fn create_user(&self, request: CreateUserRequest) -> Result<UserResponse, UserError> {64        let name = request.name.to_string();6566        if self.user_repo.is_name_taken(&name).await? {......67            return Err(UserError::NameTaken(name));68        }69        if self.user_repo.is_email_taken(&request.email).await? {70            return Err(UserError::EmailTaken(request.email.clone()));

62    S: SupabaseClient,63{64    async fn create_user(&self, request: CreateUserRequest) -> Result<UserResponse, UserError> {65        let name = request.name.to_string();6667        if is_reserved_name(&name) {68            return Err(UserError::ReservedName(name));69        }7071        if self.user_repo.is_name_taken(&name).await? {72            return Err(UserError::NameTaken(name));73        }