h

Store/registry.py

@@ -269,45 +269,7 @@ class Store:
     # get_backend_instance implementation moved to the bottom of this file to avoid
     # instantiating all backends during startup (see function `get_backend_instance`).
 
-    def _resolve_backend_name(self, backend_name: str) -> tuple[Optional[str], Optional[str]]:
-        requested = str(backend_name or "")
-        if requested in self._backends:
-            return requested, None
-
-        requested_norm = _normalize_store_type(requested)
-
-        ci_matches = [
-            name for name in self._backends
-            if _normalize_store_type(name) == requested_norm
-        ]
-        if len(ci_matches) == 1:
-            return ci_matches[0], None
-        if len(ci_matches) > 1:
-            return None, f"Ambiguous store alias '{backend_name}' matches {ci_matches}"
-
-        type_matches = [
-            name for name, store_type in self._backend_types.items()
-            if store_type == requested_norm
-        ]
-        if len(type_matches) == 1:
-            return type_matches[0], None
-        if len(type_matches) > 1:
-            return None, (
-                f"Ambiguous store alias '{backend_name}' matches type '{requested_norm}': {type_matches}"
-            )
-
-        prefix_matches = [
-            name for name, store_type in self._backend_types.items()
-            if store_type.startswith(requested_norm)
-        ]
-        if len(prefix_matches) == 1:
-            return prefix_matches[0], None
-        if len(prefix_matches) > 1:
-            return None, (
-                f"Ambiguous store alias '{backend_name}' matches type prefix '{requested_norm}': {prefix_matches}"
-            )
-
-        return None, None
+    # Duplicate _resolve_backend_name removed — the method is defined once earlier in the class.
 
     def get_backend_error(self, backend_name: str) -> Optional[str]:
         return self._backend_errors.get(str(backend_name))