feat: implementar Fases 3, 4 y 5 del roadmap (Planificacion Avanzada, Historial de Corridas y Copia Local Duplicada)

backend/app/api/auth.py

@@ -10,12 +10,24 @@ from app.services.event_service import log_event
 
 router = APIRouter(prefix="/auth", tags=["Authentication"])
 
+import logging
+logger = logging.getLogger("uvicorn.error")
+
 @router.post("/login", response_model=TokenResponse)
 async def login(credentials: LoginRequest, db: AsyncSession = Depends(get_db)):
-    result = await db.execute(select(User).where(User.email == credentials.email.strip().lower()))
+    email_clean = credentials.email.strip().lower()
+    result = await db.execute(select(User).where(User.email == email_clean))
     user = result.scalar_one_or_none()
     
-    if not user or not verify_password(credentials.password, user.hashed_password):
+    if not user:
+        logger.warning(f"Login failed: User not found with email '{email_clean}'")
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect email or password"
+        )
+        
+    if not verify_password(credentials.password, user.hashed_password):
+        logger.warning(f"Login failed: Password mismatch for email '{email_clean}' (sent password length: {len(credentials.password)})")
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
             detail="Incorrect email or password"