Format four files ruff had drifted from

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01H7LwYgJfpkbLCTeiAf8U4A

backend/app/api/routes/messages.py

@@ -87,9 +87,7 @@ async def publish_message(
         detail=body.source_detail,
     )
     try:
-        await run_in_threadpool(
-            controller.publish_message, name, body.value, source
-        )
+        await run_in_threadpool(controller.publish_message, name, body.value, source)
     except KeyError:
         raise HTTPException(
             status_code=404, detail=f"No flow declares a message named '{name}'"

backend/app/mcp/http.py

@@ -66,7 +66,13 @@ def _transport_security() -> TransportSecuritySettings:
     allowed_origins = [f"https://{host}", f"http://{host}"]
     if settings.ENVIRONMENT == "local":
         # The test client and a direct uvicorn run do not go through Traefik.
-        allowed_hosts += ["localhost", "localhost:*", "127.0.0.1", "127.0.0.1:*", "testserver"]
+        allowed_hosts += [
+            "localhost",
+            "localhost:*",
+            "127.0.0.1",
+            "127.0.0.1:*",
+            "testserver",
+        ]
         allowed_origins += ["http://localhost", "http://127.0.0.1"]
     return TransportSecuritySettings(
         enable_dns_rebinding_protection=True,