feat: Introduce standard request normalization and response building for OpenAI and Claude, enhance tool call streaming, and improve caller identification.

internal/util/standard_request.go

@@ -0,0 +1,30 @@
+package util
+
+type StandardRequest struct {
+	Surface        string
+	RequestedModel string
+	ResolvedModel  string
+	ResponseModel  string
+	Messages       []any
+	FinalPrompt    string
+	ToolNames      []string
+	Stream         bool
+	Thinking       bool
+	Search         bool
+	PassThrough    map[string]any
+}
+
+func (r StandardRequest) CompletionPayload(sessionID string) map[string]any {
+	payload := map[string]any{
+		"chat_session_id":   sessionID,
+		"parent_message_id": nil,
+		"prompt":            r.FinalPrompt,
+		"ref_file_ids":      []any{},
+		"thinking_enabled":  r.Thinking,
+		"search_enabled":    r.Search,
+	}
+	for k, v := range r.PassThrough {
+		payload[k] = v
+	}
+	return payload
+}