feat(plugins): discover packages and persist state

app-instance/backend/beaver/foundation/config/loader.py

@@ -16,6 +16,7 @@ from .schema import (
     ChannelConfig,
     EmbeddingConfig,
     MCPServerConfig,
+    PluginsConfig,
     ProviderConfig,
     ToolsConfig,
 )
@@ -73,6 +74,7 @@ def load_config(
         providers=_parse_providers(data.get("providers")),
         embedding=_parse_embedding(data),
         tools=_parse_tools(data.get("tools")),
+        plugins=_parse_plugins(data.get("plugins")),
         authz=_parse_authz(data.get("authz")),
         channels=_parse_channels(data.get("channels")),
         backend_identity=_parse_backend_identity(data.get("backend_identity") or data.get("backendIdentity")),
@@ -188,6 +190,17 @@ def _parse_tools(raw: Any) -> ToolsConfig:
     )
 
 
+def _parse_plugins(raw: Any) -> PluginsConfig:
+    data = _as_dict(raw)
+    return PluginsConfig(
+        search_paths=_string_list(data.get("searchPaths") or data.get("search_paths")),
+        auto_sync=_bool(
+            data.get("autoSync") if "autoSync" in data else data.get("auto_sync"),
+            default=True,
+        ),
+    )
+
+
 def _parse_authz(raw: Any) -> AuthzConfig:
     data = _as_dict(raw)
     return AuthzConfig(