From e302e01734d339a59aadb9765592b065f520bacc Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Wed, 16 Jul 2025 19:06:08 +0000
Subject: [PATCH 1/3] codegen metadata

---
 .stats.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.stats.yml b/.stats.yml
index e9e94382..66ee688c 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 97
 openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-670ea0d2cc44f52a87dd3cadea45632953283e0636ba30788fdbdb22a232ccac.yml
 openapi_spec_hash: d8b7d38911fead545adf3e4297956410
-config_hash: 5525bda35e48ea6387c6175c4d1651fa
+config_hash: b2a4028fdbb27a08de89831ed310e244

From faa0c91b9fef8d17658bdd144a45c7276967dfef Mon Sep 17 00:00:00 2001
From: David Meadows <dmeadows@stainless.com>
Date: Mon, 21 Jul 2025 16:56:47 -0400
Subject: [PATCH 2/3] chore(internal): refactor stream event processing to be
 more future proof

---
 packages/ssestream/ssestream.go | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/packages/ssestream/ssestream.go b/packages/ssestream/ssestream.go
index d5fd544d..3534aed8 100644
--- a/packages/ssestream/ssestream.go
+++ b/packages/ssestream/ssestream.go
@@ -136,13 +136,6 @@ func NewStream[T any](decoder Decoder, err error) *Stream[T] {
 	}
 }
 
-var eventPrefixesToBeParsed = []string{
-	"response.",
-	"image_generation.",
-	"image_generation.",
-	"transcript.",
-}
-
 // Next returns false if the stream has ended or an error occurred.
 // Call Stream.Current() to get the current value.
 // Call Stream.Err() to get the error.
@@ -172,15 +165,7 @@ func (s *Stream[T]) Next() bool {
 
 		var nxt T
 
-		hasPrefixToParse := false
-		for _, prefix := range eventPrefixesToBeParsed {
-			if strings.HasPrefix(s.decoder.Event().Type, prefix) {
-				hasPrefixToParse = true
-				break
-			}
-		}
-
-		if s.decoder.Event().Type == "" || hasPrefixToParse {
+		if s.decoder.Event().Type == "" || !strings.HasPrefix(s.decoder.Event().Type, "thread.") {
 			ep := gjson.GetBytes(s.decoder.Event().Data, "error")
 			if ep.Exists() {
 				s.err = fmt.Errorf("received error while streaming: %s", ep.String())

From 0bff779906d8b373f5f70a993358453dbd5ca471 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Fri, 25 Jul 2025 15:00:43 -0400
Subject: [PATCH 3/3] fix(client): check for empty ToolCalls before accessing

---
 streamaccumulator.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/streamaccumulator.go b/streamaccumulator.go
index 53b7069f..347809c1 100644
--- a/streamaccumulator.go
+++ b/streamaccumulator.go
@@ -169,7 +169,9 @@ func (prev *chatCompletionResponseState) update(chunk ChatCompletionChunk) (just
 		new.state = refusalResponseState
 	case delta.JSON.ToolCalls.Valid():
 		new.state = toolResponseState
-		new.index = int(delta.ToolCalls[0].Index)
+		if len(delta.ToolCalls) > 0 {
+			new.index = int(delta.ToolCalls[0].Index)
+		}
 	default:
 		new.state = finishedResponseState
 	}