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.

relay/channel/openai/responses_via_chat.go

@@ -35,6 +35,7 @@ func OaiChatToResponsesHandler(c *gin.Context, info *relaycommon.RelayInfo, resp
 		return nil, types.WithOpenAIError(*oaiError, resp.StatusCode)
 	}
 
+	info.ObserveResponseModel(chatResp.Model)
 	if responseID := helper.GetResponseID(c); responseID != "" {
 		chatResp.Id = responseID
 	}
@@ -140,6 +141,7 @@ func OaiChatToResponsesStreamHandler(c *gin.Context, info *relaycommon.RelayInfo
 			return
 		}
 
+		info.ObserveResponseModel(chunk.Model)
 		results, err := service.ConvertStreamResponseChunk(c, info, state, &chunk)
 		if err != nil {
 			if failResponsesStream(err) {