fix spaces and background picker

app.py

@@ -8,7 +8,7 @@ from sentry_sdk import capture_exception, push_scope, capture_message
 from sentry_sdk.integrations.logging import LoggingIntegration
 from sentry_sdk.integrations.starlette import StarletteIntegration
 from sentry_sdk.integrations.fastapi import FastApiIntegration
-#import spaces
+import spaces
 dsn = os.getenv("SENTRY_DSN")
 if not dsn:
     print("WARNING: SENTRY_DSN not set – Sentry disabled")
@@ -310,7 +310,7 @@ if os.path.exists(DEFAULT_MATERIALS_CSV):
 else:
     initial_df.to_csv(DEFAULT_MATERIALS_CSV, index=False)
 
-#@spaces.GPU(duration=90)                       # GPU reserved only for this call
+@spaces.GPU(duration=90)                       # GPU reserved only for this call
 def run_autoforge_process(cmd, log_path):
     """
     Launch the external `autoforge` CLI.
@@ -740,6 +740,10 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
                     continue
                 else:
                     continue
+
+            if arg_name == "--background_color":
+                arg_widget_val = rgba_to_hex(arg_widget_val)
+
             if isinstance(arg_widget_val, bool):
                 if arg_widget_val:
                     command.append(arg_name)