update

Store/registry.py

@@ -353,19 +353,35 @@ def list_configured_backend_names(config: Optional[Dict[str, Any]]) -> list[str]
     without triggering backend initialization (which may perform network calls).
 
     Behaviour:
-    - For each configured store type, returns the per-instance NAME override (case-insensitive)
-      when present, otherwise the instance key.
+    - Only includes store types that map to a discovered save backend class.
+    - Skips folder/provider-only/unknown entries so UI pickers do not surface
+      non-ingest destinations such as provider helpers.
+    - For each configured store type, returns the per-instance NAME override
+      (case-insensitive) when present, otherwise the instance key.
     """
     try:
         store_cfg = (config or {}).get("store") or {}
         if not isinstance(store_cfg, dict):
             return []
 
+        classes_by_type = _discover_store_classes()
         names: list[str] = []
         for raw_store_type, instances in store_cfg.items():
             if not isinstance(instances, dict):
                 continue
+            store_type = _normalize_store_type(str(raw_store_type))
+            if store_type == "folder" or store_type in _PROVIDER_ONLY_STORE_NAMES:
+                continue
+
+            store_cls = classes_by_type.get(store_type)
+            if store_cls is None:
+                continue
+
             for instance_name, instance_config in instances.items():
+                try:
+                    _build_kwargs(store_cls, str(instance_name), instance_config)
+                except Exception:
+                    continue
                 if isinstance(instance_config, dict):
                     override_name = _get_case_insensitive(dict(instance_config), "NAME")
                     if override_name: