fix(sdk-js): avoid sending run metadata in UI messages (#4467)

libs/langgraph/langgraph/graph/ui.py

@@ -100,10 +100,9 @@ def push_ui_message(
         "name": name,
         "props": props,
         "metadata": {
-            **(config.get("metadata") or {}),
+            "run_id": config.get("run_id", None),
             "tags": config.get("tags", None),
             "name": config.get("run_name", None),
-            "run_id": config.get("run_id", None),
             **(metadata or {}),
             **({"message_id": message_id} if message_id else {}),
         },

libs/sdk-js/src/react-ui/server/server.ts

@@ -38,13 +38,6 @@ export const typedUi = <Decl extends Record<string, ElementType>>(
   const runId = (config.metadata?.run_id as string | undefined) ?? config.runId;
   if (!runId) throw new Error("run_id is required");
 
-  const metadata = {
-    ...config.metadata,
-    tags: config.tags,
-    name: config.runName,
-    run_id: runId,
-  };
-
   const handlePush = <K extends keyof PropMap & string>(
     message: {
       id?: string;
@@ -60,7 +53,9 @@ export const typedUi = <Decl extends Record<string, ElementType>>(
       name: message?.name,
       props: message?.props,
       metadata: {
-        ...metadata,
+        run_id: runId,
+        tags: config.tags,
+        name: config.runName,
         ...message?.metadata,
         ...(options?.message ? { message_id: options.message.id } : null),
       },

libs/sdk-js/src/react-ui/types.ts

@@ -5,7 +5,9 @@ export interface UIMessage {
   name: string;
   props: Record<string, unknown>;
   metadata: {
-    run_id: string;
+    run_id?: string;
+    name?: string;
+    tags?: string[];
     message_id?: string;
     [key: string]: unknown;
   };