more flickering fixes

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -1041,7 +1041,9 @@ function AssistantMessage(props: { message: AssistantMessage; parts: Part[]; las
         <Match
           when={
             (props.message.time.completed &&
-              props.parts.some((item) => item.type === "step-finish" && item.reason !== "tool-calls")) ||
+              props.parts.some(
+                (item) => item.type === "step-finish" && !["tool-calls", "unknown"].includes(item.reason),
+              )) ||
             props.last
           }
         >