feat: add GetClaudeAuthHeader function and update FetchUpstreamModels to support Anthropic channel type

controller/channel-billing.go

@@ -127,6 +127,14 @@ func GetAuthHeader(token string) http.Header {
 	return h
 }
 
+// GetClaudeAuthHeader get claude auth header
+func GetClaudeAuthHeader(token string) http.Header {
+	h := http.Header{}
+	h.Add("x-api-key", token)
+	h.Add("anthropic-version", "2023-06-01")
+	return h
+}
+
 func GetResponseBody(method, url string, channel *model.Channel, headers http.Header) ([]byte, error) {
 	req, err := http.NewRequest(method, url, nil)
 	if err != nil {

controller/channel.go

@@ -198,9 +198,10 @@ func FetchUpstreamModels(c *gin.Context) {
 	// 获取响应体 - 根据渠道类型决定是否添加 AuthHeader
 	var body []byte
 	key := strings.Split(channel.Key, "\n")[0]
-	if channel.Type == constant.ChannelTypeGemini {
-		body, err = GetResponseBody("GET", url, channel, GetAuthHeader(key)) // Use AuthHeader since Gemini now forces it
-	} else {
+	switch channel.Type {
+	case constant.ChannelTypeAnthropic:
+		body, err = GetResponseBody("GET", url, channel, GetClaudeAuthHeader(key))
+	default:
 		body, err = GetResponseBody("GET", url, channel, GetAuthHeader(key))
 	}
 	if err != nil {