diff --git a/.gitignore b/.gitignore
index 7d75fa8..ed8f8ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,4 +45,6 @@ tools/
 .env.staging
 .env.production
 
-.trunk
\ No newline at end of file
+.trunk
+
+*clean*.py
\ No newline at end of file
diff --git a/api.py b/api.py
index e2dc23d..bfb0e8d 100644
--- a/api.py
+++ b/api.py
@@ -133,7 +133,6 @@ async def lifespan(app: FastAPI):
         api_url=settings.universign_api_url, api_key=settings.universign_api_key
     )
 
-    # Configuration du service avec les dépendances
     sync_service.configure(
         sage_client=sage_client, email_queue=email_queue, settings=settings
     )
@@ -2666,7 +2665,6 @@ async def get_current_sage_config(
     }
 
 
-# Routes Collaborateurs
 @app.get(
     "/collaborateurs",
     response_model=List[CollaborateurDetails],
diff --git a/config/config.py b/config/config.py
index 63bf99b..d60c4d8 100644
--- a/config/config.py
+++ b/config/config.py
@@ -7,7 +7,6 @@ class Settings(BaseSettings):
         env_file=".env", env_file_encoding="utf-8", case_sensitive=False, extra="ignore"
     )
 
-    # === JWT & Auth ===
     jwt_secret: str
     jwt_algorithm: str
     access_token_expire_minutes: int
@@ -21,15 +20,12 @@ class Settings(BaseSettings):
     SAGE_TYPE_BON_AVOIR: int = 50
     SAGE_TYPE_FACTURE: int = 60
 
-    # === Sage Gateway (Windows) ===
     sage_gateway_url: str
     sage_gateway_token: str
     frontend_url: str
 
-    # === Base de données ===
     database_url: str = "sqlite+aiosqlite:///./data/sage_dataven.db"
 
-    # === SMTP ===
     smtp_host: str
     smtp_port: int = 587
     smtp_user: str
@@ -37,21 +33,17 @@ class Settings(BaseSettings):
     smtp_from: str
     smtp_use_tls: bool = True
 
-    # === Universign ===
     universign_api_key: str
     universign_api_url: str
 
-    # === API ===
     api_host: str
     api_port: int
     api_reload: bool = False
 
-    # === Email Queue ===
     max_email_workers: int = 3
     max_retry_attempts: int = 3
     retry_delay_seconds: int = 3
 
-    # === CORS ===
     cors_origins: List[str] = ["*"]
 
 
diff --git a/core/dependencies.py b/core/dependencies.py
index 039081c..ff443a6 100644
--- a/core/dependencies.py
+++ b/core/dependencies.py
@@ -1,4 +1,4 @@
-from fastapi import Depends, HTTPException, status
+from fastapi import Depends, HTTPException, status, Request
 from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select
@@ -6,89 +6,161 @@ from database import get_session, User
 from security.auth import decode_token
 from typing import Optional
 from datetime import datetime
+import logging
 
-security = HTTPBearer()
+logger = logging.getLogger(__name__)
+
+security = HTTPBearer(auto_error=False)
 
 
-async def get_current_user(
-    credentials: HTTPAuthorizationCredentials = Depends(security),
+async def get_current_user_hybrid(
+    request: Request,
+    credentials: Optional[HTTPAuthorizationCredentials] = Depends(security),
     session: AsyncSession = Depends(get_session),
 ) -> User:
-    token = credentials.credentials
+    if credentials and credentials.credentials:
+        token = credentials.credentials
 
-    payload = decode_token(token)
-    if not payload:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Token invalide ou expiré",
-            headers={"WWW-Authenticate": "Bearer"},
+        payload = decode_token(token)
+        if not payload:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Token invalide ou expiré",
+                headers={"WWW-Authenticate": "Bearer"},
+            )
+
+        if payload.get("type") != "access":
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Type de token incorrect",
+                headers={"WWW-Authenticate": "Bearer"},
+            )
+
+        user_id: str = payload.get("sub")
+        if not user_id:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Token malformé",
+                headers={"WWW-Authenticate": "Bearer"},
+            )
+
+        result = await session.execute(select(User).where(User.id == user_id))
+        user = result.scalar_one_or_none()
+
+        if not user:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Utilisateur introuvable",
+                headers={"WWW-Authenticate": "Bearer"},
+            )
+
+        if not user.is_active:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN, detail="Compte désactivé"
+            )
+
+        if not user.is_verified:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Email non vérifié. Consultez votre boîte de réception.",
+            )
+
+        if user.locked_until and user.locked_until > datetime.now():
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN,
+                detail="Compte temporairement verrouillé suite à trop de tentatives échouées",
+            )
+
+        logger.debug(f" Authentifié via JWT: {user.email}")
+        return user
+
+    api_key_obj = getattr(request.state, "api_key", None)
+
+    if api_key_obj:
+        if api_key_obj.user_id:
+            result = await session.execute(
+                select(User).where(User.id == api_key_obj.user_id)
+            )
+            user = result.scalar_one_or_none()
+
+            if user:
+                logger.debug(
+                    f" Authentifié via API Key ({api_key_obj.name}) → User: {user.email}"
+                )
+                return user
+
+        from database import User as UserModel
+
+        virtual_user = UserModel(
+            id=f"api_key_{api_key_obj.id}",
+            email=f"{api_key_obj.name.lower().replace(' ', '_')}@api-key.local",
+            nom="API Key",
+            prenom=api_key_obj.name,
+            role="api_client",
+            is_verified=True,
+            is_active=True,
         )
 
-    if payload.get("type") != "access":
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Type de token incorrect",
-            headers={"WWW-Authenticate": "Bearer"},
-        )
+        virtual_user._is_api_key_user = True
+        virtual_user._api_key_obj = api_key_obj
 
-    user_id: str = payload.get("sub")
-    if not user_id:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Token malformé",
-            headers={"WWW-Authenticate": "Bearer"},
-        )
+        logger.debug(f" Authentifié via API Key: {api_key_obj.name} (user virtuel)")
+        return virtual_user
 
-    result = await session.execute(select(User).where(User.id == user_id))
-    user = result.scalar_one_or_none()
-
-    if not user:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Utilisateur introuvable",
-            headers={"WWW-Authenticate": "Bearer"},
-        )
-
-    if not user.is_active:
-        raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN, detail="Compte désactivé"
-        )
-
-    if not user.is_verified:
-        raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN,
-            detail="Email non vérifié. Consultez votre boîte de réception.",
-        )
-
-    if user.locked_until and user.locked_until > datetime.now():
-        raise HTTPException(
-            status_code=status.HTTP_403_FORBIDDEN,
-            detail="Compte temporairement verrouillé suite à trop de tentatives échouées",
-        )
-
-    return user
+    raise HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Authentification requise (JWT ou API Key)",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
 
 
-async def get_current_user_optional(
+async def get_current_user_optional_hybrid(
+    request: Request,
     credentials: Optional[HTTPAuthorizationCredentials] = Depends(security),
     session: AsyncSession = Depends(get_session),
 ) -> Optional[User]:
-    if not credentials:
-        return None
-
+    """Version optionnelle de get_current_user_hybrid (ne lève pas d'erreur)"""
     try:
-        return await get_current_user(credentials, session)
+        return await get_current_user_hybrid(request, credentials, session)
     except HTTPException:
         return None
 
 
-def require_role(*allowed_roles: str):
-    async def role_checker(user: User = Depends(get_current_user)) -> User:
-        if user.role not in allowed_roles:
+def require_role_hybrid(*allowed_roles: str):
+    async def role_checker(
+        request: Request, user: User = Depends(get_current_user_hybrid)
+    ) -> User:
+        is_api_key_user = getattr(user, "_is_api_key_user", False)
+
+        if is_api_key_user:
+            if "api_client" not in allowed_roles and "*" not in allowed_roles:
+                raise HTTPException(
+                    status_code=status.HTTP_403_FORBIDDEN,
+                    detail=f"Accès refusé. Rôles requis: {', '.join(allowed_roles)}. API Keys non autorisées.",
+                )
+            logger.debug(" API Key autorisée pour cette route")
+            return user
+
+        if user.role not in allowed_roles and "*" not in allowed_roles:
             raise HTTPException(
                 status_code=status.HTTP_403_FORBIDDEN,
                 detail=f"Accès refusé. Rôles requis: {', '.join(allowed_roles)}",
             )
+
         return user
 
     return role_checker
+
+
+def is_api_key_user(user: User) -> bool:
+    """Vérifie si l'utilisateur est authentifié via API Key"""
+    return getattr(user, "_is_api_key_user", False)
+
+
+def get_api_key_from_user(user: User):
+    """Récupère l'objet API Key depuis un user virtuel"""
+    return getattr(user, "_api_key_obj", None)
+
+
+get_current_user = get_current_user_hybrid
+get_current_user_optional = get_current_user_optional_hybrid
diff --git a/create_admin.py b/create_admin.py
index d3cb786..96197ec 100644
--- a/create_admin.py
+++ b/create_admin.py
@@ -19,7 +19,6 @@ async def create_admin():
     print(" Création d'un compte administrateur")
     print("=" * 60 + "\n")
 
-    # Saisie des informations
     email = input("Email de l'admin: ").strip().lower()
     if not email or "@" not in email:
         print(" Email invalide")
@@ -32,7 +31,6 @@ async def create_admin():
         print(" Prénom et nom requis")
         return False
 
-    # Mot de passe avec validation
     while True:
         password = input(
             "Mot de passe (min 8 car., 1 maj, 1 min, 1 chiffre, 1 spécial): "
@@ -58,7 +56,6 @@ async def create_admin():
             print(f"\n Un utilisateur avec l'email {email} existe déjà")
             return False
 
-        # Créer l'admin
         admin = User(
             id=str(uuid.uuid4()),
             email=email,
diff --git a/routes/enterprise.py b/routes/enterprise.py
index 2ed18d1..2de1e5f 100644
--- a/routes/enterprise.py
+++ b/routes/enterprise.py
@@ -22,7 +22,6 @@ async def rechercher_entreprise(
     try:
         logger.info(f" Recherche entreprise: '{q}'")
 
-        # Appel API
         api_response = await rechercher_entreprise_api(q, per_page)
 
         resultats_api = api_response.get("results", [])
diff --git a/routes/universign.py b/routes/universign.py
index b8a16c3..2bf0e7a 100644
--- a/routes/universign.py
+++ b/routes/universign.py
@@ -512,7 +512,6 @@ async def webhook_universign(
         transaction_id = None
 
         if payload.get("type", "").startswith("transaction.") and "payload" in payload:
-            # Le transaction_id est dans payload.object.id
             nested_object = payload.get("payload", {}).get("object", {})
             if nested_object.get("object") == "transaction":
                 transaction_id = nested_object.get("id")
diff --git a/sage_client.py b/sage_client.py
index 0137512..9ad7b50 100644
--- a/sage_client.py
+++ b/sage_client.py
@@ -1,4 +1,3 @@
-# sage_client.py
 import requests
 from typing import Dict, List, Optional
 from config.config import settings
@@ -468,7 +467,6 @@ class SageGatewayClient:
             "tva_encaissement": tva_encaissement,
         }
 
-        # Champs optionnels
         if date_reglement:
             payload["date_reglement"] = date_reglement
         if code_journal:
diff --git a/schemas/articles/articles.py b/schemas/articles/articles.py
index 79b2d62..26996a7 100644
--- a/schemas/articles/articles.py
+++ b/schemas/articles/articles.py
@@ -76,7 +76,6 @@ class Article(BaseModel):
     )
     nb_emplacements: int = Field(0, description="Nombre d'emplacements")
 
-    # Champs énumérés normalisés
     suivi_stock: Optional[int] = Field(
         None,
         description="Type de suivi de stock (AR_SuiviStock): 0=Aucun, 1=CMUP, 2=FIFO/LIFO, 3=Sérialisé",
diff --git a/schemas/documents/reglements.py b/schemas/documents/reglements.py
index bf6d178..5cc5e2c 100644
--- a/schemas/documents/reglements.py
+++ b/schemas/documents/reglements.py
@@ -10,12 +10,10 @@ logger = logging.getLogger(__name__)
 class ReglementFactureCreate(BaseModel):
     """Requête de règlement d'une facture côté VPS"""
 
-    # Montant et devise
     montant: Decimal = Field(..., gt=0, description="Montant à régler")
     devise_code: Optional[int] = Field(0, description="Code devise (0=EUR par défaut)")
     cours_devise: Optional[Decimal] = Field(1.0, description="Cours de la devise")
 
-    # Mode et journal
     mode_reglement: int = Field(
         ..., ge=0, description="Code mode règlement depuis /reglements/modes"
     )
@@ -23,13 +21,11 @@ class ReglementFactureCreate(BaseModel):
         ..., min_length=1, description="Code journal depuis /journaux/tresorerie"
     )
 
-    # Dates
     date_reglement: Optional[date] = Field(
         None, description="Date du règlement (défaut: aujourd'hui)"
     )
     date_echeance: Optional[date] = Field(None, description="Date d'échéance")
 
-    # Références
     reference: Optional[str] = Field(
         "", max_length=17, description="Référence pièce règlement"
     )
@@ -37,7 +33,6 @@ class ReglementFactureCreate(BaseModel):
         "", max_length=35, description="Libellé du règlement"
     )
 
-    # TVA sur encaissement
     tva_encaissement: Optional[bool] = Field(
         False, description="Appliquer TVA sur encaissement"
     )
@@ -81,7 +76,6 @@ class ReglementMultipleCreate(BaseModel):
     libelle: Optional[str] = Field("")
     tva_encaissement: Optional[bool] = Field(False)
 
-    # Factures spécifiques (optionnel)
     numeros_factures: Optional[List[str]] = Field(
         None, description="Si vide, règle les plus anciennes en premier"
     )
diff --git a/schemas/sage/sage_gateway.py b/schemas/sage/sage_gateway.py
index e503641..9501129 100644
--- a/schemas/sage/sage_gateway.py
+++ b/schemas/sage/sage_gateway.py
@@ -10,7 +10,6 @@ class GatewayHealthStatus(str, Enum):
     UNKNOWN = "unknown"
 
 
-# === CREATE ===
 class SageGatewayCreate(BaseModel):
 
     name: str = Field(
@@ -71,7 +70,6 @@ class SageGatewayUpdate(BaseModel):
         return v.rstrip("/") if v else v
 
 
-# === RESPONSE ===
 class SageGatewayResponse(BaseModel):
 
     id: str
diff --git a/schemas/tiers/commercial.py b/schemas/tiers/commercial.py
index 5a4685b..de74165 100644
--- a/schemas/tiers/commercial.py
+++ b/schemas/tiers/commercial.py
@@ -9,7 +9,6 @@ class CollaborateurBase(BaseModel):
     prenom: Optional[str] = Field(None, max_length=50)
     fonction: Optional[str] = Field(None, max_length=50)
 
-    # Adresse
     adresse: Optional[str] = Field(None, max_length=100)
     complement: Optional[str] = Field(None, max_length=100)
     code_postal: Optional[str] = Field(None, max_length=10)
@@ -17,7 +16,6 @@ class CollaborateurBase(BaseModel):
     code_region: Optional[str] = Field(None, max_length=50)
     pays: Optional[str] = Field(None, max_length=50)
 
-    # Services
     service: Optional[str] = Field(None, max_length=50)
     vendeur: bool = Field(default=False)
     caissier: bool = Field(default=False)
@@ -25,18 +23,15 @@ class CollaborateurBase(BaseModel):
     chef_ventes: bool = Field(default=False)
     numero_chef_ventes: Optional[int] = None
 
-    # Contact
     telephone: Optional[str] = Field(None, max_length=20)
     telecopie: Optional[str] = Field(None, max_length=20)
     email: Optional[EmailStr] = None
     tel_portable: Optional[str] = Field(None, max_length=20)
 
-    # Réseaux sociaux
     facebook: Optional[str] = Field(None, max_length=100)
     linkedin: Optional[str] = Field(None, max_length=100)
     skype: Optional[str] = Field(None, max_length=100)
 
-    # Autres
     matricule: Optional[str] = Field(None, max_length=20)
     sommeil: bool = Field(default=False)
 
diff --git a/schemas/tiers/tiers.py b/schemas/tiers/tiers.py
index 58166a1..7a46ef5 100644
--- a/schemas/tiers/tiers.py
+++ b/schemas/tiers/tiers.py
@@ -14,7 +14,6 @@ class TypeTiersInt(IntEnum):
 
 
 class TiersDetails(BaseModel):
-    # IDENTIFICATION
     numero: Optional[str] = Field(None, description="Code tiers (CT_Num)")
     intitule: Optional[str] = Field(
         None, description="Raison sociale ou Nom complet (CT_Intitule)"
@@ -37,7 +36,6 @@ class TiersDetails(BaseModel):
     )
     code_naf: Optional[str] = Field(None, description="Code NAF/APE (CT_Ape)")
 
-    # ADRESSE
     contact: Optional[str] = Field(
         None, description="Nom du contact principal (CT_Contact)"
     )
@@ -50,7 +48,6 @@ class TiersDetails(BaseModel):
     region: Optional[str] = Field(None, description="Région/État (CT_CodeRegion)")
     pays: Optional[str] = Field(None, description="Pays (CT_Pays)")
 
-    # TELECOM
     telephone: Optional[str] = Field(None, description="Téléphone fixe (CT_Telephone)")
     telecopie: Optional[str] = Field(None, description="Fax (CT_Telecopie)")
     email: Optional[str] = Field(None, description="Email principal (CT_EMail)")
@@ -58,13 +55,11 @@ class TiersDetails(BaseModel):
     facebook: Optional[str] = Field(None, description="Profil Facebook (CT_Facebook)")
     linkedin: Optional[str] = Field(None, description="Profil LinkedIn (CT_LinkedIn)")
 
-    # TAUX
     taux01: Optional[float] = Field(None, description="Taux personnalisé 1 (CT_Taux01)")
     taux02: Optional[float] = Field(None, description="Taux personnalisé 2 (CT_Taux02)")
     taux03: Optional[float] = Field(None, description="Taux personnalisé 3 (CT_Taux03)")
     taux04: Optional[float] = Field(None, description="Taux personnalisé 4 (CT_Taux04)")
 
-    # STATISTIQUES
     statistique01: Optional[str] = Field(
         None, description="Statistique 1 (CT_Statistique01)"
     )
@@ -96,7 +91,6 @@ class TiersDetails(BaseModel):
         None, description="Statistique 10 (CT_Statistique10)"
     )
 
-    # COMMERCIAL
     encours_autorise: Optional[float] = Field(
         None, description="Encours maximum autorisé (CT_Encours)"
     )
@@ -113,7 +107,6 @@ class TiersDetails(BaseModel):
         None, description="Détails du commercial/collaborateur"
     )
 
-    # FACTURATION
     lettrage_auto: Optional[bool] = Field(
         None, description="Lettrage automatique (CT_Lettrage)"
     )
@@ -146,7 +139,6 @@ class TiersDetails(BaseModel):
         None, description="Bon à payer obligatoire (CT_BonAPayer)"
     )
 
-    # LOGISTIQUE
     priorite_livraison: Optional[int] = Field(
         None, description="Priorité livraison (CT_PrioriteLivr)"
     )
@@ -160,17 +152,14 @@ class TiersDetails(BaseModel):
         None, description="Délai appro jours (CT_DelaiAppro)"
     )
 
-    # COMMENTAIRE
     commentaire: Optional[str] = Field(
         None, description="Commentaire libre (CT_Commentaire)"
     )
 
-    # ANALYTIQUE
     section_analytique: Optional[str] = Field(
         None, description="Section analytique (CA_Num)"
     )
 
-    # ORGANISATION / SURVEILLANCE
     mode_reglement_code: Optional[int] = Field(
         None, description="Code mode règlement (MR_No)"
     )
@@ -200,7 +189,6 @@ class TiersDetails(BaseModel):
         None, description="Résultat financier (CT_SvResultat)"
     )
 
-    # COMPTE GENERAL ET CATEGORIES
     compte_general: Optional[str] = Field(
         None, description="Compte général principal (CG_NumPrinc)"
     )
@@ -211,7 +199,6 @@ class TiersDetails(BaseModel):
         None, description="Catégorie comptable (N_CatCompta)"
     )
 
-    # CONTACTS
     contacts: Optional[List[Contact]] = Field(
         default_factory=list, description="Liste des contacts du tiers"
     )
diff --git a/services/universign_document.py b/services/universign_document.py
index fa899a9..394c3ce 100644
--- a/services/universign_document.py
+++ b/services/universign_document.py
@@ -23,7 +23,7 @@ class UniversignDocumentService:
 
     def fetch_transaction_documents(self, transaction_id: str) -> Optional[List[Dict]]:
         try:
-            logger.info(f"📋 Récupération documents pour transaction: {transaction_id}")
+            logger.info(f" Récupération documents pour transaction: {transaction_id}")
 
             response = requests.get(
                 f"{self.api_url}/transactions/{transaction_id}",
@@ -38,7 +38,6 @@ class UniversignDocumentService:
 
                 logger.info(f"{len(documents)} document(s) trouvé(s)")
 
-                # Log détaillé de chaque document
                 for idx, doc in enumerate(documents):
                     logger.debug(
                         f"  Document {idx}: id={doc.get('id')}, "
@@ -64,7 +63,7 @@ class UniversignDocumentService:
             logger.error(f"⏱️ Timeout récupération transaction {transaction_id}")
             return None
         except Exception as e:
-            logger.error(f"❌ Erreur fetch documents: {e}", exc_info=True)
+            logger.error(f" Erreur fetch documents: {e}", exc_info=True)
             return None
 
     def download_signed_document(
@@ -94,7 +93,6 @@ class UniversignDocumentService:
                     f"Content-Type={content_type}, Size={content_length}"
                 )
 
-                # Vérification du type de contenu
                 if (
                     "pdf" not in content_type.lower()
                     and "octet-stream" not in content_type.lower()
@@ -104,31 +102,30 @@ class UniversignDocumentService:
                         f"Tentative de lecture quand même..."
                     )
 
-                # Lecture du contenu
                 content = response.content
 
                 if len(content) < 1024:
-                    logger.error(f"❌ Document trop petit: {len(content)} octets")
+                    logger.error(f" Document trop petit: {len(content)} octets")
                     return None
 
                 return content
 
             elif response.status_code == 404:
                 logger.error(
-                    f"❌ Document {document_id} introuvable pour transaction {transaction_id}"
+                    f" Document {document_id} introuvable pour transaction {transaction_id}"
                 )
                 return None
 
             elif response.status_code == 403:
                 logger.error(
-                    f"❌ Accès refusé au document {document_id}. "
+                    f" Accès refusé au document {document_id}. "
                     f"Vérifiez que la transaction est bien signée."
                 )
                 return None
 
             else:
                 logger.error(
-                    f"❌ Erreur HTTP {response.status_code}: {response.text[:500]}"
+                    f" Erreur HTTP {response.status_code}: {response.text[:500]}"
                 )
                 return None
 
@@ -136,13 +133,12 @@ class UniversignDocumentService:
             logger.error(f"⏱️ Timeout téléchargement document {document_id}")
             return None
         except Exception as e:
-            logger.error(f"❌ Erreur téléchargement: {e}", exc_info=True)
+            logger.error(f" Erreur téléchargement: {e}", exc_info=True)
             return None
 
     async def download_and_store_signed_document(
         self, session: AsyncSession, transaction, force: bool = False
     ) -> Tuple[bool, Optional[str]]:
-        # Vérification si déjà téléchargé
         if not force and transaction.signed_document_path:
             if os.path.exists(transaction.signed_document_path):
                 logger.debug(
@@ -153,7 +149,6 @@ class UniversignDocumentService:
         transaction.download_attempts += 1
 
         try:
-            # ÉTAPE 1: Récupérer les documents de la transaction
             logger.info(
                 f"Récupération document signé pour: {transaction.transaction_id}"
             )
@@ -167,13 +162,11 @@ class UniversignDocumentService:
                 await session.commit()
                 return False, error
 
-            # ÉTAPE 2: Récupérer le premier document (ou chercher celui qui est signé)
             document_id = None
             for doc in documents:
                 doc_id = doc.get("id")
                 doc_status = doc.get("status", "").lower()
 
-                # Priorité aux documents marqués comme signés/complétés
                 if doc_status in ["signed", "completed", "closed"]:
                     document_id = doc_id
                     logger.info(
@@ -181,34 +174,30 @@ class UniversignDocumentService:
                     )
                     break
 
-                # Fallback sur le premier document si aucun n'est explicitement signé
                 if document_id is None:
                     document_id = doc_id
 
             if not document_id:
                 error = "Impossible de déterminer l'ID du document à télécharger"
-                logger.error(f"❌ {error}")
+                logger.error(f" {error}")
                 transaction.download_error = error
                 await session.commit()
                 return False, error
 
-            # Stocker le document_id pour référence future
             if hasattr(transaction, "universign_document_id"):
                 transaction.universign_document_id = document_id
 
-            # ÉTAPE 3: Télécharger le document signé
             pdf_content = self.download_signed_document(
                 transaction_id=transaction.transaction_id, document_id=document_id
             )
 
             if not pdf_content:
                 error = f"Échec téléchargement document {document_id}"
-                logger.error(f"❌ {error}")
+                logger.error(f" {error}")
                 transaction.download_error = error
                 await session.commit()
                 return False, error
 
-            # ÉTAPE 4: Stocker le fichier localement
             filename = self._generate_filename(transaction)
             file_path = SIGNED_DOCS_DIR / filename
 
@@ -217,13 +206,11 @@ class UniversignDocumentService:
 
             file_size = os.path.getsize(file_path)
 
-            # Mise à jour de la transaction
             transaction.signed_document_path = str(file_path)
             transaction.signed_document_downloaded_at = datetime.now()
             transaction.signed_document_size_bytes = file_size
             transaction.download_error = None
 
-            # Stocker aussi l'URL de téléchargement pour référence
             transaction.document_url = (
                 f"{self.api_url}/transactions/{transaction.transaction_id}"
                 f"/documents/{document_id}/download"
@@ -239,14 +226,14 @@ class UniversignDocumentService:
 
         except OSError as e:
             error = f"Erreur filesystem: {str(e)}"
-            logger.error(f"❌ {error}")
+            logger.error(f" {error}")
             transaction.download_error = error
             await session.commit()
             return False, error
 
         except Exception as e:
             error = f"Erreur inattendue: {str(e)}"
-            logger.error(f"❌ {error}", exc_info=True)
+            logger.error(f" {error}", exc_info=True)
             transaction.download_error = error
             await session.commit()
             return False, error
@@ -294,7 +281,6 @@ class UniversignDocumentService:
 
         return deleted, int(size_freed_mb)
 
-    # === MÉTHODES DE DIAGNOSTIC ===
 
     def diagnose_transaction(self, transaction_id: str) -> Dict:
         """
@@ -308,7 +294,6 @@ class UniversignDocumentService:
         }
 
         try:
-            # Test 1: Récupération de la transaction
             logger.info(f"Diagnostic transaction: {transaction_id}")
 
             response = requests.get(
@@ -334,7 +319,6 @@ class UniversignDocumentService:
                 "participants_count": len(data.get("participants", [])),
             }
 
-            # Test 2: Documents disponibles
             documents = data.get("documents", [])
             result["checks"]["documents"] = []
 
@@ -345,7 +329,6 @@ class UniversignDocumentService:
                     "status": doc.get("status"),
                 }
 
-                # Test téléchargement
                 if doc.get("id"):
                     download_url = (
                         f"{self.api_url}/transactions/{transaction_id}"
diff --git a/services/universign_sync.py b/services/universign_sync.py
index 28e633c..da634f2 100644
--- a/services/universign_sync.py
+++ b/services/universign_sync.py
@@ -159,7 +159,6 @@ class UniversignSyncService:
 
         return stats
 
-    # CORRECTION 1 : process_webhook dans universign_sync.py
     async def process_webhook(
         self, session: AsyncSession, payload: Dict, transaction_id: str = None
     ) -> Tuple[bool, Optional[str]]:
@@ -167,9 +166,7 @@ class UniversignSyncService:
         Traite un webhook Universign - CORRECTION : meilleure gestion des payloads
         """
         try:
-            # Si transaction_id n'est pas fourni, essayer de l'extraire
             if not transaction_id:
-                # Même logique que dans universign.py
                 if (
                     payload.get("type", "").startswith("transaction.")
                     and "payload" in payload
@@ -195,7 +192,6 @@ class UniversignSyncService:
                 f"📨 Traitement webhook: transaction={transaction_id}, event={event_type}"
             )
 
-            # Récupérer la transaction locale
             query = (
                 select(UniversignTransaction)
                 .options(selectinload(UniversignTransaction.signers))
@@ -208,25 +204,20 @@ class UniversignSyncService:
                 logger.warning(f"Transaction {transaction_id} inconnue localement")
                 return False, "Transaction inconnue"
 
-            # Marquer comme webhook reçu
             transaction.webhook_received = True
 
-            # Stocker l'ancien statut pour comparaison
             old_status = transaction.local_status.value
 
-            # Force la synchronisation complète
             success, error = await self.sync_transaction(
                 session, transaction, force=True
             )
 
-            # Log du changement de statut
             if success and transaction.local_status.value != old_status:
                 logger.info(
                     f"Webhook traité: {transaction_id} | "
                     f"{old_status} → {transaction.local_status.value}"
                 )
 
-            # Enregistrer le log du webhook
             await self._log_sync_attempt(
                 session=session,
                 transaction=transaction,
@@ -248,7 +239,6 @@ class UniversignSyncService:
             logger.error(f"💥 Erreur traitement webhook: {e}", exc_info=True)
             return False, str(e)
 
-    # CORRECTION 2 : _sync_signers - Ne pas écraser les signers existants
     async def _sync_signers(
         self,
         session: AsyncSession,
@@ -271,7 +261,6 @@ class UniversignSyncService:
                 logger.warning(f"Signataire sans email à l'index {idx}, ignoré")
                 continue
 
-            # PROTECTION : gérer les statuts inconnus
             raw_status = signer_data.get("status") or signer_data.get(
                 "state", "waiting"
             )
@@ -302,7 +291,6 @@ class UniversignSyncService:
                 if signer_data.get("name") and not signer.name:
                     signer.name = signer_data.get("name")
             else:
-                # Nouveau signer avec gestion d'erreur intégrée
                 try:
                     signer = UniversignSigner(
                         id=f"{transaction.id}_signer_{idx}_{int(datetime.now().timestamp())}",
@@ -330,7 +318,6 @@ class UniversignSyncService:
     ):
         import json
 
-        # Si statut final et pas de force, skip
         if is_final_status(transaction.local_status.value) and not force:
             logger.debug(
                 f"⏭️ Skip {transaction.transaction_id}: statut final "
@@ -340,14 +327,13 @@ class UniversignSyncService:
             await session.commit()
             return True, None
 
-        # Récupération du statut distant
         logger.info(f"Synchronisation: {transaction.transaction_id}")
 
         result = self.fetch_transaction_status(transaction.transaction_id)
 
         if not result:
             error = "Échec récupération données Universign"
-            logger.error(f"❌ {error}: {transaction.transaction_id}")
+            logger.error(f" {error}: {transaction.transaction_id}")
             transaction.sync_attempts += 1
             transaction.sync_error = error
             await self._log_sync_attempt(session, transaction, "polling", False, error)
@@ -358,9 +344,8 @@ class UniversignSyncService:
             universign_data = result["transaction"]
             universign_status_raw = universign_data.get("state", "draft")
 
-            logger.info(f"📊 Statut Universign brut: {universign_status_raw}")
+            logger.info(f" Statut Universign brut: {universign_status_raw}")
 
-            # Convertir le statut
             new_local_status = map_universign_to_local(universign_status_raw)
             previous_local_status = transaction.local_status.value
 
@@ -369,7 +354,6 @@ class UniversignSyncService:
                 f"{new_local_status} (Local) | Actuel: {previous_local_status}"
             )
 
-            # Vérifier la transition
             if not is_transition_allowed(previous_local_status, new_local_status):
                 logger.warning(
                     f"Transition refusée: {previous_local_status} → {new_local_status}"
@@ -383,10 +367,9 @@ class UniversignSyncService:
 
             if status_changed:
                 logger.info(
-                    f"🔔 CHANGEMENT DÉTECTÉ: {previous_local_status} → {new_local_status}"
+                    f"CHANGEMENT DÉTECTÉ: {previous_local_status} → {new_local_status}"
                 )
 
-            # Mise à jour du statut Universign brut
             try:
                 transaction.universign_status = UniversignTransactionStatus(
                     universign_status_raw
@@ -404,14 +387,12 @@ class UniversignSyncService:
                 else:
                     transaction.universign_status = UniversignTransactionStatus.STARTED
 
-            # Mise à jour du statut local
             transaction.local_status = LocalDocumentStatus(new_local_status)
             transaction.universign_status_updated_at = datetime.now()
 
-            # Mise à jour des dates
             if new_local_status == "EN_COURS" and not transaction.sent_at:
                 transaction.sent_at = datetime.now()
-                logger.info("📅 Date d'envoi mise à jour")
+                logger.info("Date d'envoi mise à jour")
 
             if new_local_status == "SIGNE" and not transaction.signed_at:
                 transaction.signed_at = datetime.now()
@@ -419,15 +400,11 @@ class UniversignSyncService:
 
             if new_local_status == "REFUSE" and not transaction.refused_at:
                 transaction.refused_at = datetime.now()
-                logger.info("❌ Date de refus mise à jour")
+                logger.info(" Date de refus mise à jour")
 
             if new_local_status == "EXPIRE" and not transaction.expired_at:
                 transaction.expired_at = datetime.now()
-                logger.info("⏰ Date d'expiration mise à jour")
-
-            # === SECTION CORRIGÉE: Gestion des documents ===
-            # Ne plus chercher document_url dans la réponse (elle n'existe pas!)
-            # Le téléchargement se fait via le service document qui utilise le bon endpoint
+                logger.info("Date d'expiration mise à jour")
 
             documents = universign_data.get("documents", [])
             if documents:
@@ -437,7 +414,6 @@ class UniversignSyncService:
                     f"status={first_doc.get('status')}"
                 )
 
-            # Téléchargement automatique du document signé
             if new_local_status == "SIGNE" and not transaction.signed_document_path:
                 logger.info("Déclenchement téléchargement document signé...")
 
@@ -455,21 +431,15 @@ class UniversignSyncService:
                         logger.warning(f"Échec téléchargement: {download_error}")
 
                 except Exception as e:
-                    logger.error(
-                        f"❌ Erreur téléchargement document: {e}", exc_info=True
-                    )
-            # === FIN SECTION CORRIGÉE ===
+                    logger.error(f" Erreur téléchargement document: {e}", exc_info=True)
 
-            # Synchroniser les signataires
             await self._sync_signers(session, transaction, universign_data)
 
-            # Mise à jour des métadonnées de sync
             transaction.last_synced_at = datetime.now()
             transaction.sync_attempts += 1
             transaction.needs_sync = not is_final_status(new_local_status)
             transaction.sync_error = None
 
-            # Log de la tentative
             await self._log_sync_attempt(
                 session=session,
                 transaction=transaction,
@@ -491,7 +461,6 @@ class UniversignSyncService:
 
             await session.commit()
 
-            # Exécuter les actions post-changement
             if status_changed:
                 logger.info(f"🎬 Exécution actions pour statut: {new_local_status}")
                 await self._execute_status_actions(
@@ -507,7 +476,7 @@ class UniversignSyncService:
 
         except Exception as e:
             error_msg = f"Erreur lors de la synchronisation: {str(e)}"
-            logger.error(f"❌ {error_msg}", exc_info=True)
+            logger.error(f" {error_msg}", exc_info=True)
 
             transaction.sync_error = error_msg[:1000]
             transaction.sync_attempts += 1
@@ -519,20 +488,16 @@ class UniversignSyncService:
 
             return False, error_msg
 
-    # CORRECTION 3 : Amélioration du logging dans sync_transaction
     async def _sync_transaction_documents_corrected(
         self, session, transaction, universign_data: dict, new_local_status: str
     ):
-        # Récupérer et stocker les infos documents
         documents = universign_data.get("documents", [])
 
         if documents:
-            # Stocker le premier document_id pour référence
             first_doc = documents[0]
             first_doc_id = first_doc.get("id")
 
             if first_doc_id:
-                # Stocker l'ID du document (si le champ existe dans le modèle)
                 if hasattr(transaction, "universign_document_id"):
                     transaction.universign_document_id = first_doc_id
 
@@ -543,7 +508,6 @@ class UniversignSyncService:
         else:
             logger.debug("Aucun document dans la réponse Universign")
 
-        # Téléchargement automatique si signé
         if new_local_status == "SIGNE":
             if not transaction.signed_document_path:
                 logger.info("Déclenchement téléchargement document signé...")
@@ -562,9 +526,7 @@ class UniversignSyncService:
                         logger.warning(f"Échec téléchargement: {download_error}")
 
                 except Exception as e:
-                    logger.error(
-                        f"❌ Erreur téléchargement document: {e}", exc_info=True
-                    )
+                    logger.error(f" Erreur téléchargement document: {e}", exc_info=True)
             else:
                 logger.debug(
                     f"Document déjà téléchargé: {transaction.signed_document_path}"
diff --git a/utils/generic_functions.py b/utils/generic_functions.py
index 41b734b..29a361e 100644
--- a/utils/generic_functions.py
+++ b/utils/generic_functions.py
@@ -290,15 +290,11 @@ def _preparer_lignes_document(lignes: List) -> List[Dict]:
 
 
 UNIVERSIGN_TO_LOCAL: Dict[str, str] = {
-    # États initiaux
     "draft": "EN_ATTENTE",
     "ready": "EN_ATTENTE",
-    # En cours
     "started": "EN_COURS",
-    # États finaux (succès)
     "completed": "SIGNE",
     "closed": "SIGNE",
-    # États finaux (échec)
     "refused": "REFUSE",
     "expired": "EXPIRE",
     "canceled": "REFUSE",
@@ -429,7 +425,7 @@ STATUS_MESSAGES: Dict[str, Dict[str, str]] = {
     "REFUSE": {
         "fr": "Signature refusée",
         "en": "Signature refused",
-        "icon": "❌",
+        "icon": "",
         "color": "red",
     },
     "EXPIRE": {
diff --git a/utils/universign_status_mapping.py b/utils/universign_status_mapping.py
index 50e29cc..8391698 100644
--- a/utils/universign_status_mapping.py
+++ b/utils/universign_status_mapping.py
@@ -96,7 +96,7 @@ STATUS_MESSAGES: Dict[str, Dict[str, str]] = {
     "REFUSE": {
         "fr": "Signature refusée",
         "en": "Signature refused",
-        "icon": "❌",
+        "icon": "",
         "color": "red",
     },
     "EXPIRE": {