From b4a54cb631a23f38c2bb353b92504becd5295791 Mon Sep 17 00:00:00 2001
From: Low Jian Sheng <15527690+lowjiansheng@users.noreply.github.com>
Date: Tue, 23 Sep 2025 02:19:35 +0800
Subject: [PATCH 1/3] add github rules (#3)

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 77b85e519..a7bf6a681 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
+# Github Forked Branch Rules
+`master` - kept in sync with main repository. Do not merge anything into this branch other than sync code.
+`develop` - default branch of this forked repository. Merge all PRs into this branch.
+`release` - only release from this branch. Merge the `develop` into `release` branch before doing a tagged release.
+
 # Go OpenAI
 [![Go Reference](https://pkg.go.dev/badge/github.com/sashabaranov/go-openai.svg)](https://pkg.go.dev/github.com/sashabaranov/go-openai)
 [![Go Report Card](https://goreportcard.com/badge/github.com/sashabaranov/go-openai)](https://goreportcard.com/report/github.com/sashabaranov/go-openai)

From e9196ceaf4e77491bd68a267a7953abc0f39d8ea Mon Sep 17 00:00:00 2001
From: Low Jian Sheng <15527690+lowjiansheng@users.noreply.github.com>
Date: Tue, 23 Sep 2025 12:03:50 +0800
Subject: [PATCH 2/3] add prefix to chat completion messages (#4)

---
 chat.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/chat.go b/chat.go
index 0aa018715..8b8172ded 100644
--- a/chat.go
+++ b/chat.go
@@ -119,6 +119,9 @@ type ChatCompletionMessage struct {
 
 	// For Role=tool prompts this should be set to the ID given in the assistant's prior request to call a tool.
 	ToolCallID string `json:"tool_call_id,omitempty"`
+
+	// Messari custom fields
+	Prefix bool `json:"prefix"`
 }
 
 func (m ChatCompletionMessage) MarshalJSON() ([]byte, error) {

From 2cf63a9f93f3821f41a7f59c448385fb73c3de42 Mon Sep 17 00:00:00 2001
From: Low Jian Sheng <15527690+lowjiansheng@users.noreply.github.com>
Date: Tue, 23 Sep 2025 12:47:43 +0800
Subject: [PATCH 3/3] Fix compilation error with ChatCompletionMessage (#6)

---
 chat.go     | 6 +++++-
 messages.go | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/chat.go b/chat.go
index 8b8172ded..2a53c1697 100644
--- a/chat.go
+++ b/chat.go
@@ -121,7 +121,7 @@ type ChatCompletionMessage struct {
 	ToolCallID string `json:"tool_call_id,omitempty"`
 
 	// Messari custom fields
-	Prefix bool `json:"prefix"`
+	Prefix bool `json:"prefix,omitempty"`
 }
 
 func (m ChatCompletionMessage) MarshalJSON() ([]byte, error) {
@@ -139,6 +139,7 @@ func (m ChatCompletionMessage) MarshalJSON() ([]byte, error) {
 			FunctionCall     *FunctionCall     `json:"function_call,omitempty"`
 			ToolCalls        []ToolCall        `json:"tool_calls,omitempty"`
 			ToolCallID       string            `json:"tool_call_id,omitempty"`
+			Prefix           bool              `json:"prefix,omitempty"`
 		}(m)
 		return json.Marshal(msg)
 	}
@@ -153,6 +154,7 @@ func (m ChatCompletionMessage) MarshalJSON() ([]byte, error) {
 		FunctionCall     *FunctionCall     `json:"function_call,omitempty"`
 		ToolCalls        []ToolCall        `json:"tool_calls,omitempty"`
 		ToolCallID       string            `json:"tool_call_id,omitempty"`
+		Prefix           bool              `json:"prefix,omitempty"`
 	}(m)
 	return json.Marshal(msg)
 }
@@ -168,6 +170,7 @@ func (m *ChatCompletionMessage) UnmarshalJSON(bs []byte) error {
 		FunctionCall     *FunctionCall `json:"function_call,omitempty"`
 		ToolCalls        []ToolCall    `json:"tool_calls,omitempty"`
 		ToolCallID       string        `json:"tool_call_id,omitempty"`
+		Prefix           bool          `json:"prefix,omitempty"`
 	}{}
 
 	if err := json.Unmarshal(bs, &msg); err == nil {
@@ -184,6 +187,7 @@ func (m *ChatCompletionMessage) UnmarshalJSON(bs []byte) error {
 		FunctionCall     *FunctionCall     `json:"function_call,omitempty"`
 		ToolCalls        []ToolCall        `json:"tool_calls,omitempty"`
 		ToolCallID       string            `json:"tool_call_id,omitempty"`
+		Prefix           bool              `json:"prefix,omitempty"`
 	}{}
 	if err := json.Unmarshal(bs, &multiMsg); err != nil {
 		return err
diff --git a/messages.go b/messages.go
index 47eb0cd89..538833f54 100644
--- a/messages.go
+++ b/messages.go
@@ -26,7 +26,7 @@ type Message struct {
 	httpHeader
 
 	// Messari custom fields
-	Prefix bool `json:"prefix"`
+	Prefix bool `json:"prefix,omitempty"`
 }
 
 type MessagesList struct {