Flatten selected_path recursively to get image path and improve debug

ui/events/run_handlers.py

@@ -118,9 +118,11 @@ def create_run_event(prefix: str, task_type: str, ui_components: dict):
         def _show_meta(selected_path, *_):
             # `selected_path` may be a string (filepath) or a list/tuple of filepaths.
             try:
-                # Normalise to a single path (first element if it's a tuple/list)
-                path = selected_path[0] if isinstance(selected_path, (list, tuple)) else selected_path
-                print(f"[DEBUG] Normalised gallery path: {path}")
+                # Recursively flatten until we get a string path
+                path = selected_path
+                while isinstance(path, (list, tuple)) and len(path) > 0:
+                    path = path[0]
+                print(f"[DEBUG] Extracted image path: {path}")
                 from PIL import Image
                 with Image.open(path) as im:
                     meta = im.info.get("parameters", "")