fix(config): remove stale 'default' library entry and consolidate example images on startup

py/utils/example_images_paths.py

@@ -113,6 +113,35 @@ def get_model_folder(model_hash: str, library_name: Optional[str] = None) -> str
                     exc,
                 )
                 return legacy_folder
+    elif not os.path.exists(resolved_folder):
+        # Reverse migration: when consolidating from multi-library to
+        # single-library mode (e.g. after "default" was cleaned up), look
+        # for existing example images inside library-named subdirectories
+        # and bring them back to the root level.
+        root = get_example_images_root()
+        if root:
+            try:
+                for entry in os.listdir(root):
+                    entry_path = os.path.join(root, entry)
+                    if not os.path.isdir(entry_path):
+                        continue
+                    if is_hash_folder(entry) or entry == "_deleted":
+                        continue
+                    if not _library_folder_has_only_hash_dirs(entry_path):
+                        continue
+                    legacy = os.path.join(entry_path, normalized_hash)
+                    if os.path.exists(legacy):
+                        shutil.move(legacy, resolved_folder)
+                        logger.info(
+                            "Consolidated example images from '%s' to '%s'",
+                            legacy, resolved_folder,
+                        )
+                        break
+            except OSError as exc:
+                logger.error(
+                    "Failed to consolidate example images during "
+                    "library merge: %s", exc,
+                )
 
     return resolved_folder