diff --git a/agent.py b/agent.py
index 02d72a2..b219b81 100644
--- a/agent.py
+++ b/agent.py
@@ -237,7 +237,7 @@ class PolicyConfig(StrictModel):
 
 
 class AnalyzeRevenueLeakageInput(StrictModel):
-    tenant_id: str = Field(min_length=3, max_length=128)
+    tenant_id: str = Field(default="tenant-smoke", min_length=3, max_length=128)
     run_id: str | None = Field(default=None, min_length=8, max_length=80)
     use_synthetic_data: bool = True
     snapshots: SnapshotBundle | None = None