From 9ea2ce2aa87b2f4dfe4596a48c464a8b1c771bb3 Mon Sep 17 00:00:00 2001
From: cthomas <caren@letta.com>
Date: Mon, 25 Aug 2025 11:51:41 -0700
Subject: [PATCH] feat: populate seq_id in chunks for background mode (#4160)

---
 letta/server/rest_api/redis_stream_manager.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/letta/server/rest_api/redis_stream_manager.py b/letta/server/rest_api/redis_stream_manager.py
index 3ae5eb33..26d5ae92 100644
--- a/letta/server/rest_api/redis_stream_manager.py
+++ b/letta/server/rest_api/redis_stream_manager.py
@@ -282,6 +282,9 @@ async def redis_sse_stream_generator(
                         logger.debug(f"No data found for chunk {chunk_seq_id} in run {run_id}")
                         continue
 
+                    if '"seq_id":null' in data:
+                        data = data.replace('"seq_id":null', f'"seq_id":{chunk_seq_id}')
+
                     yield data
                     yielded_any = True