diff --git a/agent.py b/agent.py
index 475b074..cd88133 100644
--- a/agent.py
+++ b/agent.py
@@ -426,7 +426,9 @@ class CustomerIntegrationEngineer(A2AAgent[CustomerIntegrationEngineerConfig, No
 
     @a2a.tool(description="Capture requirements, produce architecture and field mapping artifacts", timeout_seconds=120, idempotent=True, max_retries=0, cost_class="deterministic")
     async def design_integration(self, ctx: RunContext[NoAuth], request: DesignIntegrationRequest) -> DesignIntegrationResult:
-        req = request.requirements.model_copy(update={"dry_run": request.dry_run or request.requirements.dry_run})
+        req = request.requirements.model_copy(
+            update={"dry_run": _effective_dry_run(self, request.dry_run, request.requirements.dry_run)}
+        )
         audit = [_audit("design_started", req.integration_id, {"dry_run": req.dry_run})]
         await _emit(ctx, audit[-1])
         warnings = _requirements_warnings(req)