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Merged
mudler merged 2 commits into from
Feb 12, 2026
Merged

feat(realtime): Allow sending text, image and audio conversation items" #8524

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4a91d4b
feat(realtime): Allow sending text and image conversation items
richiejp Feb 12, 2026
8dca94b
Merge branch 'master' into feat/realtime-streaming
mudler Feb 12, 2026
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141 changes: 120 additions & 21 deletions core/http/endpoints/openai/realtime.go
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Original file line number Diff line number Diff line change
Expand Up @@ -398,7 +398,36 @@ func registerRealtime(application *application.Application, model string) func(c

case types.ConversationItemCreateEvent:
xlog.Debug("recv", "message", string(msg))
sendNotImplemented(c, "conversation.item.create")
// Add the item to the conversation
item := e.Item
// Ensure IDs are present
if item.User != nil && item.User.ID == "" {
item.User.ID = generateItemID()
}
if item.Assistant != nil && item.Assistant.ID == "" {
item.Assistant.ID = generateItemID()
}
if item.System != nil && item.System.ID == "" {
item.System.ID = generateItemID()
}
if item.FunctionCall != nil && item.FunctionCall.ID == "" {
item.FunctionCall.ID = generateItemID()
}
if item.FunctionCallOutput != nil && item.FunctionCallOutput.ID == "" {
item.FunctionCallOutput.ID = generateItemID()
}

conversation.Lock.Lock()
conversation.Items = append(conversation.Items, &item)
conversation.Lock.Unlock()

sendEvent(c, types.ConversationItemAddedEvent{
ServerEventBase: types.ServerEventBase{
EventID: e.EventID,
},
PreviousItemID: e.PreviousItemID,
Item: item,
})

case types.ConversationItemDeleteEvent:
sendError(c, "not_implemented", "Deleting items not implemented", "", "event_TODO")
Expand Down Expand Up @@ -444,7 +473,34 @@ func registerRealtime(application *application.Application, model string) func(c

case types.ResponseCreateEvent:
xlog.Debug("recv", "message", string(msg))
sendNotImplemented(c, "response.create")

// Handle optional items to add to context
if len(e.Response.Input) > 0 {
conversation.Lock.Lock()
for _, item := range e.Response.Input {
// Ensure IDs are present
if item.User != nil && item.User.ID == "" {
item.User.ID = generateItemID()
}
if item.Assistant != nil && item.Assistant.ID == "" {
item.Assistant.ID = generateItemID()
}
if item.System != nil && item.System.ID == "" {
item.System.ID = generateItemID()
}
if item.FunctionCall != nil && item.FunctionCall.ID == "" {
item.FunctionCall.ID = generateItemID()
}
if item.FunctionCallOutput != nil && item.FunctionCallOutput.ID == "" {
item.FunctionCallOutput.ID = generateItemID()
}

conversation.Items = append(conversation.Items, &item)
}
conversation.Lock.Unlock()
}

go triggerResponse(session, conversation, c, &e.Response)

case types.ResponseCancelEvent:
xlog.Debug("recv", "message", string(msg))
Expand Down Expand Up @@ -825,8 +881,7 @@ func runVAD(ctx context.Context, session *Session, adata []int16) ([]schema.VADS
func generateResponse(session *Session, utt []byte, transcript string, conv *Conversation, c *LockedWebsocket, mt int) {
xlog.Debug("Generating realtime response...")

config := session.ModelInterface.PredictConfig()

// Create user message item
item := types.MessageItemUnion{
User: &types.MessageItemUser{
ID: generateItemID(),
Expand All @@ -848,33 +903,73 @@ func generateResponse(session *Session, utt []byte, transcript string, conv *Con
Item: item,
})

triggerResponse(session, conv, c, nil)
}

func triggerResponse(session *Session, conv *Conversation, c *LockedWebsocket, overrides *types.ResponseCreateParams) {
config := session.ModelInterface.PredictConfig()

// Default values
tools := session.Tools
toolChoice := session.ToolChoice
instructions := session.Instructions
// Overrides
if overrides != nil {
if overrides.Tools != nil {
tools = overrides.Tools
}
if overrides.ToolChoice != nil {
toolChoice = overrides.ToolChoice
}
if overrides.Instructions != "" {
instructions = overrides.Instructions
}
}

var conversationHistory schema.Messages
conversationHistory = append(conversationHistory, schema.Message{
Role: string(types.MessageRoleSystem),
StringContent: session.Instructions,
Content: session.Instructions,
StringContent: instructions,
Content: instructions,
})

imgIndex := 0
conv.Lock.Lock()
for _, item := range conv.Items {
if item.User != nil {
msg := schema.Message{
Role: string(types.MessageRoleUser),
}
textContent := ""
nrOfImgsInMessage := 0
for _, content := range item.User.Content {
switch content.Type {
case types.MessageContentTypeInputText:
conversationHistory = append(conversationHistory, schema.Message{
Role: string(types.MessageRoleUser),
StringContent: content.Text,
Content: content.Text,
})
textContent += content.Text
case types.MessageContentTypeInputAudio:
conversationHistory = append(conversationHistory, schema.Message{
Role: string(types.MessageRoleUser),
StringContent: content.Transcript,
Content: content.Transcript,
StringAudios: []string{content.Audio},
})
textContent += content.Transcript
case types.MessageContentTypeInputImage:
msg.StringImages = append(msg.StringImages, content.ImageURL)
imgIndex++
nrOfImgsInMessage++
}
}
if nrOfImgsInMessage > 0 {
templated, err := templates.TemplateMultiModal(config.TemplateConfig.Multimodal, templates.MultiModalOptions{
TotalImages: imgIndex,
ImagesInMessage: nrOfImgsInMessage,
}, textContent)
if err != nil {
xlog.Warn("Failed to apply multimodal template", "error", err)
templated = textContent
}
msg.StringContent = templated
msg.Content = templated
} else {
msg.StringContent = textContent
msg.Content = textContent
}
conversationHistory = append(conversationHistory, msg)
} else if item.Assistant != nil {
for _, content := range item.Assistant.Content {
switch content.Type {
Expand Down Expand Up @@ -905,6 +1000,11 @@ func generateResponse(session *Session, utt []byte, transcript string, conv *Con
}
conv.Lock.Unlock()

var images []string
for _, m := range conversationHistory {
images = append(images, m.StringImages...)
}

responseID := generateUniqueID()
sendEvent(c, types.ResponseCreatedEvent{
ServerEventBase: types.ServerEventBase{},
Expand All @@ -915,15 +1015,15 @@ func generateResponse(session *Session, utt []byte, transcript string, conv *Con
},
})

predFunc, err := session.ModelInterface.Predict(context.TODO(), conversationHistory, nil, nil, nil, nil, session.Tools, session.ToolChoice, nil, nil, nil)
predFunc, err := session.ModelInterface.Predict(context.TODO(), conversationHistory, images, nil, nil, nil, tools, toolChoice, nil, nil, nil)
if err != nil {
sendError(c, "inference_failed", fmt.Sprintf("backend error: %v", err), "", item.Assistant.ID)
sendError(c, "inference_failed", fmt.Sprintf("backend error: %v", err), "", "") // item.Assistant.ID is unknown here
return
}

pred, err := predFunc()
if err != nil {
sendError(c, "prediction_failed", fmt.Sprintf("backend error: %v", err), "", item.Assistant.ID)
sendError(c, "prediction_failed", fmt.Sprintf("backend error: %v", err), "", "")
return
}

Expand Down Expand Up @@ -1171,7 +1271,6 @@ func generateResponse(session *Session, utt []byte, transcript string, conv *Con
Status: types.ResponseStatusCompleted,
},
})

}

// Helper functions to generate unique IDs
Expand Down
1 change: 1 addition & 0 deletions core/http/endpoints/openai/types/message_item.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ const (
MessageContentTypeTranscript MessageContentType = "transcript"
MessageContentTypeInputText MessageContentType = "input_text"
MessageContentTypeInputAudio MessageContentType = "input_audio"
MessageContentTypeInputImage MessageContentType = "input_image"
MessageContentTypeOutputText MessageContentType = "output_text"
MessageContentTypeOutputAudio MessageContentType = "output_audio"
)
Expand Down
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