diff --git a/agent.py b/agent.py
index 0022926..07c5ff5 100644
--- a/agent.py
+++ b/agent.py
@@ -56,6 +56,10 @@ class ContractClockStudioV1Config(BaseModel):
     pass
 
 
+class ContractClockState(BaseModel):
+    persistence: Literal["managed_postgres"] = "managed_postgres"
+
+
 class DeadlineOut(BaseModel):
     kind: Literal["renewal", "notice"]
     date: str