update and cleanup repo

PluginCore/backend_registry.py

@@ -21,7 +21,7 @@ _PLUGIN_DISCOVERED_CLASSES_CACHE: Dict[str, Optional[Type[BackendBase]]] = {}
 
 # Backends that failed to initialize earlier in the current process.
 # Keyed by (backend_type, instance_key) where instance_key is the configured name
-# under config.store.<type>.<instance_key>.
+# under config.plugin.<type>.<instance_key>.
 _FAILED_BACKEND_CACHE: Dict[tuple[str, str], str] = {}
 
 
@@ -186,12 +186,12 @@ class BackendRegistry:
         self._load_backends()
 
     def _load_backends(self) -> None:
-        store_cfg = self._config.get("store")
-        if not isinstance(store_cfg, dict):
-            store_cfg = {}
+        plugin_cfg = self._config.get("plugin")
+        if not isinstance(plugin_cfg, dict):
+            plugin_cfg = {}
 
         self._backend_types = {}
-        for raw_backend_type, instances in store_cfg.items():
+        for raw_backend_type, instances in plugin_cfg.items():
             if not isinstance(instances, dict):
                 continue
 
@@ -357,7 +357,7 @@ def list_configured_backend_names(config: Optional[Dict[str, Any]]) -> list[str]
     """Return configured backend instance names without instantiating backends."""
     try:
         names: list[str] = []
-        for section_name in ("store", "plugin", "provider"):
+        for section_name in ("plugin",):
             section_cfg = (config or {}).get(section_name) or {}
             if not isinstance(section_cfg, dict):
                 continue
@@ -403,7 +403,7 @@ def get_backend_instance(
         return None
     desired = str(backend_name or "").strip().lower()
 
-    for section_name in ("store", "plugin", "provider"):
+    for section_name in ("plugin",):
         section_cfg = (config or {}).get(section_name) or {}
         if not isinstance(section_cfg, dict):
             continue