diff --git a/src/core/preprocessing.py b/src/core/preprocessing.py
index fd9bdb0..b91253a 100644
--- a/src/core/preprocessing.py
+++ b/src/core/preprocessing.py
@@ -103,9 +103,11 @@ async def preprocess_request(
     # Format note for Tatlock (includes conversation context)
     steward_note = await format_steward_note(recommendation)
 
-    # Get scoped tools from household registry
+    # Get delegation tools from household registry
+    # Uses agent-as-tool pattern: expert agents get delegation wrappers,
+    # core tools are returned directly
     registry = get_household_registry()
-    scoped_tools = registry.get_scoped_tools(
+    scoped_tools = registry.get_delegation_tools(
         recommendation.recommended_capabilities
     )