updated old legacy store names

TUI.py

@@ -53,7 +53,7 @@ from SYS.result_table import Table, extract_hash_value, extract_store_value, get
 
 from SYS.config import load_config  # type: ignore  # noqa: E402
 from SYS.database import db
-from Store.registry import Store as StoreRegistry  # type: ignore  # noqa: E402
+from PluginCore.backend_registry import BackendRegistry  # type: ignore  # noqa: E402
 from SYS.cmdlet_catalog import ensure_registry_loaded, list_cmdlet_names  # type: ignore  # noqa: E402
 from SYS.cli_syntax import validate_pipeline_text  # type: ignore  # noqa: E402
 
@@ -261,7 +261,7 @@ class TagEditorPopup(ModalScreen[None]):
         if not store_key or not hash_value:
             return None
         try:
-            registry = StoreRegistry(config=cfg, suppress_debug=True)
+            registry = BackendRegistry(config=cfg, suppress_debug=True)
         except Exception:
             return []
         match = None
@@ -984,9 +984,9 @@ class PipelineHubApp(App):
 
         stores: List[str] = []
         try:
-            stores = StoreRegistry(config=cfg, suppress_debug=True).list_backends()
+            stores = BackendRegistry(config=cfg, suppress_debug=True).list_backends()
         except Exception:
-            logger.exception("Failed to list store backends from StoreRegistry")
+            logger.exception("Failed to list store backends from BackendRegistry")
             stores = []
 
         # Always offer a reasonable default even if config is missing.
@@ -1380,7 +1380,7 @@ class PipelineHubApp(App):
             cfg = {}
 
         try:
-            registry = StoreRegistry(config=cfg, suppress_debug=True)
+            registry = BackendRegistry(config=cfg, suppress_debug=True)
         except Exception:
             return None