fix(delegate): retain composite child toolsets

tools/delegate_tool_toolsets.py

@@ -5,7 +5,7 @@ from __future__ import annotations
 import logging
 from typing import List, Optional
 
-from toolsets import TOOLSETS
+from toolsets import TOOLSETS, resolve_toolset
 from tools.delegate_tool_config import _get_inherit_mcp_toolsets
 
 logger = logging.getLogger("tools.delegate_tool")  # log-record parity with the origin module
@@ -51,7 +51,10 @@ def _strip_blocked_tools(toolsets: List[str]) -> List[str]:
     """Remove toolsets whose tools are ALL blocked (derived from DELEGATE_BLOCKED_TOOLS so the two can't drift) plus
     composite toolsets children must never get (``delegation``, ``kanban``)."""
     blocked_toolset_names = {"delegation", "kanban"} | {
-        name for name, defn in TOOLSETS.items() if all(t in DELEGATE_BLOCKED_TOOLS for t in defn.get("tools", []))
+        name
+        for name in TOOLSETS
+        if (resolved_tools := resolve_toolset(name, include_registry=False))
+        and all(tool in DELEGATE_BLOCKED_TOOLS for tool in resolved_tools)
     }
     return [t for t in toolsets if t not in blocked_toolset_names]