feat: sync deployed v1.0.0-rc.38-custom.42

Sync production source including routing, billing, Astra detection and public uptime. Update custom build instructions and license packaging.

controller/channel_upstream_update.go

@@ -398,7 +398,7 @@ func fetchChannelUpstreamModelIDs(channel *model.Channel) ([]string, error) {
 		return normalizeModelNames(models), nil
 	}
 
-	if channel.Type == constant.ChannelTypeAdvancedCustom {
+	if constant.IsAdvancedCustomChannel(channel.Type) {
 		return fetchAdvancedCustomUpstreamModelIDs(channel, baseURL)
 	}
 
@@ -417,10 +417,13 @@ func fetchChannelUpstreamModelIDs(channel *model.Channel) ([]string, error) {
 			url = fmt.Sprintf("%s/api/paas/v4/models", baseURL)
 		}
 	case constant.ChannelTypeVolcEngine:
+		// 火山方舟 OpenAI 兼容 API 根路径是 /api/v3（chat/embeddings 均为
+		// {base}/api/v3/...，见 relay/channel/volcengine 的 GetRequestURL），
+		// 不存在 /v1/models 端点。原拼接会导致「获取模型列表」固定 404 失败。
 		if plan, ok := constant.ChannelSpecialBases[baseURL]; ok && plan.OpenAIBaseURL != "" {
 			url = fmt.Sprintf("%s/v1/models", plan.OpenAIBaseURL)
 		} else {
-			url = fmt.Sprintf("%s/v1/models", baseURL)
+			url = fmt.Sprintf("%s/api/v3/models", baseURL)
 		}
 	case constant.ChannelTypeMoonshot:
 		if plan, ok := constant.ChannelSpecialBases[baseURL]; ok && plan.OpenAIBaseURL != "" {
@@ -473,7 +476,7 @@ func fetchAdvancedCustomUpstreamModelIDs(channel *model.Channel, baseURL string)
 		RelayMode:      relayconstant.RelayModeUnknown,
 		RequestURLPath: dto.AdvancedCustomModelListPath,
 		ChannelMeta: &relaycommon.ChannelMeta{
-			ChannelType:          constant.ChannelTypeAdvancedCustom,
+			ChannelType:          channel.Type,
 			ChannelBaseUrl:       baseURL,
 			ApiKey:               key,
 			ChannelOtherSettings: channel.GetOtherSettings(),