Remove auto metadata extraction; use drag-and-drop upload for info

ui/events/run_handlers.py

@@ -139,56 +139,6 @@ def create_run_event(prefix: str, task_type: str, ui_components: dict):
             inputs=input_list_flat,
             outputs=[res_gal, ui_components.get('gallery')]
         )
-        # When a user selects an image from the global Gallery tab, load its generation info
-        def _show_meta(selected, *_):
-            # `selected` may be a string (filepath), a list, or a tuple containing the path.
-            # Gradio can sometimes pass a tuple like (path, None) or a list of such tuples.
-            # We extract the first string path we find.
-            def extract_path(val):
-                if isinstance(val, str):
-                    return val
-                if isinstance(val, (list, tuple)):
-                    for item in val:
-                        result = extract_path(item)
-                        if result:
-                            return result
-                return None
-
-            path = extract_path(selected)
-            if not path:
-                print(f"[DEBUG] No valid image path extracted from {selected}")
-                return "(ไม่มีข้อมูลเมตาดาต้า)"
-
-            # Try to read metadata from the extracted path. If this fails (e.g., path points to a temporary Gradio copy), fall back to the most‑recent file in the output directory.
-            meta = ""
-            try:
-                from PIL import Image
-                with Image.open(path) as im:
-                    meta = im.info.get("parameters", "")
-                print(f"[DEBUG] Metadata extracted from {path}: {meta}")
-            except Exception as e:
-                print(f"[DEBUG] Failed to read metadata from {path}: {e}")
-                # Fallback: find latest file in the configured OUTPUT_DIR
-                try:
-                    from pathlib import Path
-                    out_dir = Path(os.path.abspath(OUTPUT_DIR))
-                    files = sorted(out_dir.glob("*.png"), key=lambda p: p.stat().st_mtime, reverse=True)
-                    if files:
-                        fallback_path = files[0]
-                        with Image.open(fallback_path) as im2:
-                            meta = im2.info.get("parameters", "")
-                        print(f"[DEBUG] Fallback metadata from {fallback_path}: {meta}")
-                except Exception as e2:
-                    print(f"[DEBUG] Fallback metadata extraction failed: {e2}")
-
-            # If metadata exists, we can also include the filename for clarity
-            if meta:
-                filename = os.path.basename(path)
-                return f"{filename}\n{meta}"
-            else:
-                return "(ไม่มีข้อมูลเมตาดาต้า)"
-
-        # Connect the select event of the global gallery to update its metadata textbox
-        gallery_tab = ui_components.get('gallery')
-        if gallery_tab:
-            gallery_tab.select(fn=_show_meta, inputs=gallery_tab, outputs=ui_components.get('gallery_metadata'))
+        # Auto metadata extraction on gallery selection removed.
+        # Users can now drag‑and‑drop an image onto the "Drag image here for info" component
+        # to view its generation info.