fix: finish hooking up accommodations flow

agent/uis/utils/get-tool-response.ts

@@ -0,0 +1,23 @@
+import {
+  useStreamContext,
+  type UIMessage,
+} from "@langchain/langgraph-sdk/react-ui";
+import { Message, ToolMessage } from "@langchain/langgraph-sdk";
+
+type StreamContextType = ReturnType<
+  typeof useStreamContext<
+    { messages: Message[]; ui: UIMessage[] },
+    { MetaType: { ui: UIMessage | undefined } }
+  >
+>;
+
+export function getToolResponse(
+  toolCallId: string,
+  thread: StreamContextType,
+): ToolMessage | undefined {
+  const toolResponse = thread.messages.findLast(
+    (message): message is ToolMessage =>
+      message.type === "tool" && message.tool_call_id === toolCallId,
+  );
+  return toolResponse;
+}