diff --git a/agent.py b/agent.py
index 8ee2732..175652d 100644
--- a/agent.py
+++ b/agent.py
@@ -153,6 +153,10 @@ class ProductionProofV116HighUtili72553(
         description="Build and persist a one-page B2B sales operations dashboard with filters, trends, exceptions, history, receipt, and CSV artifact.",
         timeout_seconds=60,
         cost_class="standard",
+        grant_mode="read_write_overlay",
+        grant_allow_patterns=("outputs/dashboards/**",),
+        grant_outputs_prefix="outputs/dashboards/",
+        grant_write_prefixes=("outputs/dashboards/",),
     )
     async def build_dashboard(
         self,