Update app.py

app.py

@@ -9,6 +9,8 @@ from pathlib import Path
 import torch
 import numpy as np
 from PIL import Image
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
+
 
 # --- Import dos Serviços de Backend ---
 
@@ -21,6 +23,15 @@ from api.seedvr_server import SeedVRServer
 # Inicializa o servidor SeedVR uma vez, se disponível
 seedvr_inference_server = SeedVRServer() if SeedVRServer else None
 
+
+from dataclasses import dataclass
+class ConditioningItem:
+    media_item: torch.Tensor
+    media_frame_number: int
+    conditioning_strength: float
+    media_x: Optional[int] = None
+    media_y: Optional[int] = None
+
 # --- ESTADO DA SESSÃO ---
 def create_initial_state():
     return {