feat: improve extension type name

Author: mrh997

schema/agentic_message.go

@@ -68,10 +68,10 @@ type AgenticMessage struct {
 type AgenticResponseMeta struct {
 	TokenUsage *TokenUsage
 
-	OpenAIExtensions *openai.ResponseMeta
-	GeminiExtensions *gemini.ResponseMeta
-	ClaudeExtensions *claude.MessageMeta
-	Extensions       any
+	OpenAIExtension *openai.ResponseMetaExtension
+	GeminiExtension *gemini.ResponseMetaExtension
+	ClaudeExtension *claude.ResponseMetaExtension
+	Extension       any
 }
 
 type StreamMeta struct {
@@ -166,9 +166,9 @@ type UserInputFile struct {
 type AssistantGenText struct {
 	Text string
 
-	OpenAIExtensions *openai.OutputText
-	ClaudeExtensions *claude.TextBlock
-	Extensions       any
+	OpenAIExtension *openai.AssistantGenTextExtension
+	ClaudeExtension *claude.AssistantGenTextExtension
+	Extension       any
 
 	// Extra stores additional information.
 	Extra map[string]any

schema/claude/content_block.go

@@ -16,7 +16,7 @@
 
 package claude
 
-type TextBlock struct {
+type AssistantGenTextExtension struct {
 	Citations []*TextCitation `json:"citations"`
 }
 

schema/claude/message_meta.go renamed to schema/claude/response_meta.go

@@ -16,7 +16,7 @@
 
 package claude
 
-type MessageMeta struct {
+type ResponseMetaExtension struct {
 	ID         string `json:"id"`
 	StopReason string `json:"stop_reason"`
 }

schema/gemini/response_meta.go

@@ -16,7 +16,7 @@
 
 package gemini
 
-type ResponseMeta struct {
+type ResponseMetaExtension struct {
 	ID            string             `json:"id"`
 	FinishReason  string             `json:"finish_reason"`
 	GroundingMeta *GroundingMetadata `json:"grounding_meta,omitempty"`

schema/openai/content_block.go

@@ -16,7 +16,7 @@
 
 package openai
 
-type OutputText struct {
+type AssistantGenTextExtension struct {
 	ItemID      string            `json:"item_id"`
 	Annotations []*TextAnnotation `json:"annotations"`
 }

schema/openai/response_meta.go

@@ -16,7 +16,7 @@
 
 package openai
 
-type ResponseMeta struct {
+type ResponseMetaExtension struct {
 	ID                string             `json:"id"`
 	Status            string             `json:"status"`
 	Error             *ResponseError     `json:"error,omitempty"`