Add hidden state components in app.py to facilitate data passing between stages, enhancing the application's state management.

app.py

@@ -227,6 +227,15 @@ with gr.Blocks(css=css) as demo:
             <h3 style="color: #5b47d1;">Anime Character Converter with Combined LoRAs</h3>
         </div>
         """)
+
+        # Hidden state components to pass data between stages
+        state_image = gr.State()
+        state_seed = gr.State()
+        state_guidance = gr.State()
+        state_steps = gr.State()
+        state_height = gr.State()
+        state_width = gr.State()
+
         with gr.Row():
             with gr.Column(scale=1):
                 gr.Markdown("### 📥 Input")