Refactor UI layout in create_app function for improved organization and clarity; update typing hints in Asset class for better type safety.

app.py

@@ -489,9 +489,11 @@ def create_app():
                         scale=4,
                     )
                     random_btn = gr.Button("🔄 Random Seed", variant="secondary", scale=1)
+                
                 pipeline_btn = gr.Button("🎯 Start Complete Pipeline", variant="primary", size="lg")
             
-            pipeline_skeleton_out = gr.File(label="Final Rigged Model")
+            with gr.Column(scale=1):
+                pipeline_skeleton_out = gr.File(label="Final Rigged Model")
         
         random_btn.click(
             fn=lambda: int(torch.randint(0, 100000, (1,)).item()),

src/data/asset.py

@@ -3,7 +3,7 @@ from dataclasses import dataclass
 import numpy as np
 from numpy import ndarray
 
-from typing import Dict, Union, List, Tuple
+from typing import Dict, Union, List, Tuple, Any
 
 from .order import Order
 from .raw_data import RawData
@@ -82,7 +82,7 @@ class Asset(Exporter):
     # pose matrix for skinning loss calculation, shape (J, 4, 4)
     pose_matrix: Union[ndarray, None]=None
     
-    meta: Union[Dict[str, ...], None]=None
+    meta: Union[Dict[str, Any], None]=None
     
     @property
     def N(self):