refactor(backend): replace String with &str in fn params

backend/src/web/routes_file.rs

@@ -9,7 +9,9 @@ use sqlx::types::uuid;
 use tracing::info;
 
 use crate::{
-    ctx::Ctx, error::LoftError, model::{FileRecord, FileRepository}
+    ctx::Ctx,
+    error::LoftError,
+    model::{FileRecord, FileRepository},
 };
 
 pub fn routes_file(file_repository: FileRepository) -> Router {
@@ -82,7 +84,7 @@ async fn delete_file(
 
 async fn list_files(
     State(file_repository): State<FileRepository>,
-    ctx: Ctx
+    ctx: Ctx,
 ) -> Result<Json<Vec<FileRecord>>, LoftError> {
     info!("handler: list_files");
 
@@ -146,7 +148,7 @@ mod tests {
 
     async fn create_test_session(user_repository: &UserRepository) -> String {
         let user = user_repository
-            .create_user("testuser".to_string(), "hash".to_string())
+            .create_user("testuser", "hash")
             .await
             .unwrap();
         let token: String = rand::rng()
@@ -156,7 +158,7 @@ mod tests {
             .collect();
         let expires_at = chrono::Utc::now() + chrono::Duration::days(1);
         user_repository
-            .create_session(user.id, token.clone(), expires_at)
+            .create_session(user.id, &token, expires_at)
             .await
             .unwrap();
         token