diff --git a/agent.py b/agent.py
index 86f6523..76f9cde 100644
--- a/agent.py
+++ b/agent.py
@@ -47,6 +47,10 @@ class LaunchCheckStudioV1Config(BaseModel):
     max_response_bytes: int = Field(default=MAX_RESPONSE_BYTES, ge=32_000, le=1_000_000)
 
 
+class LaunchCheckStudioV1State(BaseModel):
+    storage: str = "managed-postgres"
+
+
 @dataclass(frozen=True)
 class FetchResult:
     final_url: str
@@ -112,6 +116,7 @@ class LaunchCheckStudioV1(A2AAgent[LaunchCheckStudioV1Config, PlatformUserAuth])
     auth_model = PlatformUserAuth
 
     state = State.DURABLE
+    state_model = LaunchCheckStudioV1State
     resources = Resources(cpu="500m", memory="512Mi", max_runtime_seconds=120)
     egress = EgressPolicy(deny_internet_by_default=False)
     tools_used = ("httpx", "psycopg", "postgres")
@@ -276,7 +281,7 @@ async def _validate_public_url(raw_url: str) -> dict[str, Any]:
     netloc = host
     if parsed.port:
         netloc = f"{host}:{parsed.port}"
-    normalized = urlunparse((parsed.scheme.lower(), netloc, parsed.path or "/", "", parsed.query, ""))
+    normalized = urlunparse((parsed.scheme.lower(), netloc, parsed.path or "", "", parsed.query, ""))
     return {"ok": True, "url": normalized}