Fix gallery metadata handler to correctly extract path and add proper debug

ui/events/run_handlers.py

@@ -116,11 +116,11 @@ def create_run_event(prefix: str, task_type: str, ui_components: dict):
         )
         # When a user selects an image from the global Gallery tab, load its generation info
         def _show_meta(selected_path, *_):
-            # `selected_path` may be a string (filepath) or a list of filepaths.
+            # `selected_path` may be a string (filepath) or a list/tuple of filepaths.
             try:
-                # Normalise to a single path
+                # 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] Gallery selected path: {path}")
+                print(f"[DEBUG] Normalised gallery path: {path}")
                 from PIL import Image
                 with Image.open(path) as im:
                     meta = im.info.get("parameters", "")
@@ -129,6 +129,7 @@ def create_run_event(prefix: str, task_type: str, ui_components: dict):
                 meta = ""
             # If no metadata present, show a friendly placeholder.
             return meta if meta else "(ไม่มีข้อมูลเมตาดาต้า)"
+
         # Connect the select event of the global gallery to update its metadata textbox
         gallery_tab = ui_components.get('gallery')
         if gallery_tab: