Fix generate notification: reuse persistent notification and properly transition to error state

kimodo/demo/ui.py

@@ -3155,15 +3155,18 @@ def create_gui(
                     gui_save_example_button.disabled = False
                     gui_save_motion_button.disabled = False
                     gui_download_button.disabled = False
-                    try:
-                        event_client.add_notification(
-                            title="Generation failed!",
-                            body=f"Error: {str(e)}",
-                            auto_close_seconds=5.0,
-                            color="red",
-                        )
-                    except Exception:
-                        pass
+
+                # Reuse the same persistent notification so it does not get stuck loading.
+                try:
+                    generating_notif.title = "Generation failed!"
+                    generating_notif.body = f"Error: {str(e)}"
+                    generating_notif.loading = False
+                    generating_notif.with_close_button = True
+                    generating_notif.auto_close_seconds = 6.0
+                    generating_notif.color = "red"
+                except Exception:
+                    pass
+
                 demo.check_cuda_health()
 
     #

kimodo/model/text_encoder_api.py

@@ -43,6 +43,25 @@ class TextEncoderAPI:
             self.dtype = dtype
         return self
 
+    def _extract_result_path(self, result):
+        """Extract npy path from heterogeneous gradio_client responses."""
+        candidates = []
+        if isinstance(result, (list, tuple)):
+            candidates = list(result)
+        elif result is not None:
+            candidates = [result]
+
+        for item in candidates:
+            if isinstance(item, str) and item:
+                return item
+            if isinstance(item, dict):
+                for key in ("value", "path", "name"):
+                    value = item.get(key)
+                    if isinstance(value, str) and value:
+                        return value
+
+        raise RuntimeError(f"Text encoder API returned unexpected payload: {type(result).__name__}")
+
     def __call__(self, texts):
         """Encode text prompts into tensors.
 
@@ -66,7 +85,7 @@ class TextEncoderAPI:
                 filename=filename,
                 api_name="/DemoWrapper",
             ).result(timeout=300)
-            path = result[0]["value"]
+            path = self._extract_result_path(result)
             tensor = np.load(path)
             length = tensor.shape[0]