fix

backend/src/services/correspondents.rs

@@ -1,5 +1,5 @@
 use chrono::Utc;
-use diesel::{dsl::not, prelude::*};
+use diesel::{dsl::not, prelude::*, Connection};
 use serde::{Deserialize, Serialize};
 use utoipa::ToSchema;
 use uuid::Uuid;
@@ -10,7 +10,6 @@ use crate::documents::correspondents::{
 use crate::error::{AppError, AppResult};
 use crate::schema::{document_correspondents, documents};
 use crate::services::helpers::load_active_document;
-use crate::services::TransactionExt;
 use crate::state::{AppState, PgPooledConnection};
 use crate::utils::db::validate_bulk_ids;
 
@@ -80,7 +79,7 @@ impl<'a> CorrespondentsService<'a> {
             .collect();
         let correspondent_ids = normalize_correspondent_ids(&raw_ids)?;
 
-        conn.app_transaction(|conn| {
+        conn.transaction::<_, AppError, _>(|conn| {
             let document = load_active_document(conn, tenant_id, document_id)?;
 
             let mut updated = false;
@@ -151,7 +150,7 @@ impl<'a> CorrespondentsService<'a> {
 
         let action = payload.action;
 
-        conn.app_transaction(|conn| {
+        conn.transaction::<_, AppError, _>(|conn| {
             let docs: Vec<(Uuid, Option<chrono::NaiveDateTime>)> = documents::table
                 .filter(documents::id.eq_any(&payload.document_ids))
                 .filter(documents::tenant_id.eq(tenant_id))