feat(agents): dispatcher runs at xhigh effort

beaver_agent/agents.py

@@ -143,7 +143,7 @@ def raycast(name: str, model: str, effort: str) -> RaycastAgent:
 
 
 agents: list[BaseAgent] = [
-    dispatcher("beaver-dispatcher", "claude-opus-5-5", "high"),
+    dispatcher("beaver-dispatcher", "claude-opus-5-5", "xhigh"),
     deep("beaver-opus-high", "claude-opus-5-5", "high"),
     deep("beaver-opus-medium", "claude-opus-5-5", "medium"),
     deep("beaver-opus-xhigh", "claude-opus-5-5", "xhigh"),