[docs]: adding js/curl tabs (#1558)

* jsifying

* x

* z

* x

* fix background run output

* reformatting

* z

* z

* z

* z

* z

* add tabs to stream debug

* default urls

docs/docs/cloud/how-tos/stream_multiple.md

@@ -10,6 +10,8 @@ First let's set up our client and thread:
     from langgraph_sdk import get_client
 
     client = get_client(url=<DEPLOYMENT_URL>)
+    # Using the graph deployed with the name "agent"
+    assistant_id = "agent"
     # create thread
     thread = await client.threads.create()
     print(thread)
@@ -21,9 +23,11 @@ First let's set up our client and thread:
     import { Client } from "@langchain/langgraph-sdk";
 
     const client = new Client({ apiUrl: <DEPLOYMENT_URL> });
+    // Using the graph deployed with the name "agent"
+    const assistantID = "agent";
     // create thread
     const thread = await client.threads.create();
-    console.log(thread)
+    console.log(thread);
     ```
 
 === "CURL"
@@ -36,12 +40,15 @@ First let's set up our client and thread:
 
 Output:
 
-    {'thread_id': 'bfc68029-1f7b-400f-beab-6f9032a52da4',
-     'created_at': '2024-06-24T21:30:07.980789+00:00',
-     'updated_at': '2024-06-24T21:30:07.980789+00:00',
-     'metadata': {},
-     'status': 'idle',
-     'config': {}}
+    {
+        'thread_id': 'bfc68029-1f7b-400f-beab-6f9032a52da4',
+        'created_at': '2024-06-24T21:30:07.980789+00:00',
+        'updated_at': '2024-06-24T21:30:07.980789+00:00',
+        'metadata': {},
+        'status': 'idle',
+        'config': {},
+        'values': None
+    }
 
 When configuring multiple streaming modes for a run, responses for each respective mode will be produced. In the following example, note that a `list` of modes (`messages`, `events`, `debug`) is passed to the `stream_mode` parameter and the response contains `events`, `debug`, `messages/complete`, `messages/metadata`, and `messages/partial` event types.
 
@@ -61,7 +68,7 @@ When configuring multiple streaming modes for a run, responses for each respecti
     # stream events with multiple streaming modes
     async for chunk in client.runs.stream(
         thread_id=thread["thread_id"],
-        assistant_id="agent",
+        assistant_id=assistant_id,
         input=input,
         stream_mode=["messages", "events", "debug"],
     ):
@@ -75,27 +82,27 @@ When configuring multiple streaming modes for a run, responses for each respecti
     ```js
     // create input
     const input = {
-      "messages": [
+      messages: [
         {
-          "role": "human",
-          "content": "What's the weather in SF?",
+          role: "human",
+          content: "What's the weather in SF?",
         }
       ]
-    }
+    };
 
     // stream events with multiple streaming modes
     const streamResponse = client.runs.stream(
       thread["thread_id"],
-      "agent",
+      assistantID,
       {
         input,
         streamMode: ["messages", "events", "debug"]
       }
     );
     for await (const chunk of streamResponse) {
-      console.log(f"Receiving new event of type: {chunk.event}...")
-      console.log(chunk.data)
-      console.log("\n\n")
+      console.log(`Receiving new event of type: ${chunk.event}...`);
+      console.log(chunk.data);
+      console.log("\n\n");
     }
     ```
 
@@ -482,5 +489,4 @@ Output:
     None
     
     
-