Merge remote-tracking branch 'upstream/alpha' into update-gemini-ratio

relay/channel/gemini/dto.go

@@ -140,6 +140,7 @@ type GeminiChatGenerationConfig struct {
 	Seed               int64                 `json:"seed,omitempty"`
 	ResponseModalities []string              `json:"responseModalities,omitempty"`
 	ThinkingConfig     *GeminiThinkingConfig `json:"thinkingConfig,omitempty"`
+	SpeechConfig       json.RawMessage       `json:"speechConfig,omitempty"` // RawMessage to allow flexible speech config
 }
 
 type GeminiChatCandidate struct {

relay/channel/gemini/relay-gemini.go

@@ -373,7 +373,9 @@ func CovertGemini2OpenAI(textRequest dto.GeneralOpenAIRequest, info *relaycommon
 		if content.Role == "assistant" {
 			content.Role = "model"
 		}
-		geminiRequest.Contents = append(geminiRequest.Contents, content)
+		if len(content.Parts) > 0 {
+			geminiRequest.Contents = append(geminiRequest.Contents, content)
+		}
 	}
 
 	if len(system_content) > 0 {

relay/channel/vertex/adaptor.go

@@ -123,14 +123,23 @@ func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {
 		if v, ok := claudeModelMap[info.UpstreamModelName]; ok {
 			model = v
 		}
-		return fmt.Sprintf(
-			"https://%s-aiplatform.googleapis.com/v1/projects/%s/locations/%s/publishers/anthropic/models/%s:%s",
-			region,
-			adc.ProjectID,
-			region,
-			model,
-			suffix,
-		), nil
+		if region == "global" {
+			return fmt.Sprintf(
+				"https://aiplatform.googleapis.com/v1/projects/%s/locations/global/publishers/anthropic/models/%s:%s",
+				adc.ProjectID,
+				model,
+				suffix,
+			), nil
+		} else {
+			return fmt.Sprintf(
+				"https://%s-aiplatform.googleapis.com/v1/projects/%s/locations/%s/publishers/anthropic/models/%s:%s",
+				region,
+				adc.ProjectID,
+				region,
+				model,
+				suffix,
+			), nil
+		}
 	} else if a.RequestMode == RequestModeLlama {
 		return fmt.Sprintf(
 			"https://%s-aiplatform.googleapis.com/v1beta1/projects/%s/locations/%s/endpoints/openapi/chat/completions",