fix: show realtime active account users

Author: specialpointcentral

backend/cmd/server/wire_gen.go

@@ -125,6 +125,7 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
 		h.errorResponse(c, http.StatusInternalServerError, "api_error", "User context not found")
 		return
 	}
+	c.Request = c.Request.WithContext(service.WithSub2APIUserID(c.Request.Context(), subject.UserID))
 	reqLog := requestLogger(
 		c,
 		"handler.gateway.messages",
@@ -322,7 +323,7 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
 		}
 
 		for {
-			selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionKey, reqModel, fs.FailedAccountIDs, "", int64(0)) // Gemini 不使用会话限制
+			selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionKey, reqModel, fs.FailedAccountIDs, "", subject.UserID) // Gemini 不使用会话限制
 			if err != nil {
 				if len(fs.FailedAccountIDs) == 0 {
 					reqLog.Warn("gateway.select_account_no_available",

backend/internal/handler/gateway_handler.go

@@ -36,6 +36,7 @@ func (h *GatewayHandler) ChatCompletions(c *gin.Context) {
 		h.chatCompletionsErrorResponse(c, http.StatusInternalServerError, "api_error", "User context not found")
 		return
 	}
+	c.Request = c.Request.WithContext(service.WithSub2APIUserID(c.Request.Context(), subject.UserID))
 	reqLog := requestLogger(
 		c,
 		"handler.gateway.chat_completions",
@@ -166,7 +167,7 @@ func (h *GatewayHandler) ChatCompletions(c *gin.Context) {
 	fs := NewFailoverState(h.maxAccountSwitches, false)
 
 	for {
-		selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionHash, reqModel, fs.FailedAccountIDs, "", int64(0))
+		selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionHash, reqModel, fs.FailedAccountIDs, "", subject.UserID)
 		if err != nil {
 			if len(fs.FailedAccountIDs) == 0 {
 				h.chatCompletionsErrorResponse(c, http.StatusServiceUnavailable, "api_error", "No available accounts: "+err.Error())

backend/internal/handler/gateway_handler_chat_completions.go

@@ -36,6 +36,7 @@ func (h *GatewayHandler) Responses(c *gin.Context) {
 		h.responsesErrorResponse(c, http.StatusInternalServerError, "api_error", "User context not found")
 		return
 	}
+	c.Request = c.Request.WithContext(service.WithSub2APIUserID(c.Request.Context(), subject.UserID))
 	reqLog := requestLogger(
 		c,
 		"handler.gateway.responses",
@@ -171,7 +172,7 @@ func (h *GatewayHandler) Responses(c *gin.Context) {
 	fs := NewFailoverState(h.maxAccountSwitches, false)
 
 	for {
-		selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionHash, reqModel, fs.FailedAccountIDs, "", int64(0))
+		selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionHash, reqModel, fs.FailedAccountIDs, "", subject.UserID)
 		if err != nil {
 			if len(fs.FailedAccountIDs) == 0 {
 				h.responsesErrorResponse(c, http.StatusServiceUnavailable, "api_error", "No available accounts: "+err.Error())

backend/internal/handler/gateway_handler_responses.go

@@ -138,6 +138,9 @@ func (f *fakeConcurrencyCache) GetAccountConcurrencyBatch(_ context.Context, acc
 }
 func (f *fakeConcurrencyCache) CleanupExpiredAccountSlots(context.Context, int64) error { return nil }
 func (f *fakeConcurrencyCache) CleanupStaleProcessSlots(context.Context, string) error  { return nil }
+func (f *fakeConcurrencyCache) GetAccountActiveUserConcurrency(context.Context, int64) (map[int64]int, error) {
+	return nil, nil
+}
 
 func newTestGatewayHandler(t *testing.T, group *service.Group, accounts []*service.Account) (*GatewayHandler, func()) {
 	t.Helper()

backend/internal/handler/gateway_handler_warmup_intercept_unit_test.go

@@ -93,6 +93,10 @@ func (m *concurrencyCacheMock) CleanupStaleProcessSlots(ctx context.Context, act
 	return nil
 }
 
+func (m *concurrencyCacheMock) GetAccountActiveUserConcurrency(ctx context.Context, accountID int64) (map[int64]int, error) {
+	return nil, nil
+}
+
 func TestConcurrencyHelper_TryAcquireUserSlot(t *testing.T) {
 	cache := &concurrencyCacheMock{
 		acquireUserSlotFn: func(ctx context.Context, userID int64, maxConcurrency int, requestID string) (bool, error) {

backend/internal/handler/gateway_helper_fastpath_test.go

@@ -124,6 +124,10 @@ func (s *helperConcurrencyCacheStub) CleanupStaleProcessSlots(ctx context.Contex
 	return nil
 }
 
+func (s *helperConcurrencyCacheStub) GetAccountActiveUserConcurrency(ctx context.Context, accountID int64) (map[int64]int, error) {
+	return nil, nil
+}
+
 func newHelperTestContext(method, path string) (*gin.Context, *httptest.ResponseRecorder) {
 	gin.SetMode(gin.TestMode)
 	rec := httptest.NewRecorder()

backend/internal/handler/gateway_helper_hotpath_test.go

@@ -143,6 +143,7 @@ func (h *GatewayHandler) GeminiV1BetaModels(c *gin.Context) {
 		googleError(c, http.StatusInternalServerError, "User context not found")
 		return
 	}
+	c.Request = c.Request.WithContext(service.WithSub2APIUserID(c.Request.Context(), authSubject.UserID))
 	reqLog := requestLogger(
 		c,
 		"handler.gemini_v1beta.models",
@@ -369,7 +370,7 @@ func (h *GatewayHandler) GeminiV1BetaModels(c *gin.Context) {
 	}
 
 	for {
-		selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionKey, modelName, fs.FailedAccountIDs, "", int64(0)) // Gemini 不使用会话限制
+		selection, err := h.gatewayService.SelectAccountWithLoadAwareness(c.Request.Context(), apiKey.GroupID, sessionKey, modelName, fs.FailedAccountIDs, "", authSubject.UserID) // Gemini 不使用会话限制
 		if err != nil {
 			if len(fs.FailedAccountIDs) == 0 {
 				googleError(c, http.StatusServiceUnavailable, "No available Gemini accounts: "+err.Error())

backend/internal/handler/gemini_v1beta_handler.go

@@ -113,6 +113,7 @@ func (h *OpenAIGatewayHandler) Responses(c *gin.Context) {
 	if !h.ensureResponsesDependencies(c, reqLog) {
 		return
 	}
+	c.Request = c.Request.WithContext(service.WithSub2APIUserID(c.Request.Context(), subject.UserID))
 
 	// Read request body
 	body, err := pkghttputil.ReadRequestBodyWithPrealloc(c.Request)
@@ -572,6 +573,7 @@ func (h *OpenAIGatewayHandler) Messages(c *gin.Context) {
 	if !h.ensureResponsesDependencies(c, reqLog) {
 		return
 	}
+	c.Request = c.Request.WithContext(service.WithSub2APIUserID(c.Request.Context(), subject.UserID))
 
 	body, err := pkghttputil.ReadRequestBodyWithPrealloc(c.Request)
 	if err != nil {
@@ -1097,6 +1099,7 @@ func (h *OpenAIGatewayHandler) ResponsesWebSocket(c *gin.Context) {
 	if !h.ensureResponsesDependencies(c, reqLog) {
 		return
 	}
+	c.Request = c.Request.WithContext(service.WithSub2APIUserID(c.Request.Context(), subject.UserID))
 	reqLog.Info("openai.websocket_ingress_started")
 	clientIP := ip.GetClientIP(c)
 	userAgent := strings.TrimSpace(c.GetHeader("User-Agent"))

backend/internal/handler/openai_gateway_handler.go

@@ -55,4 +55,7 @@ const (
 
 	// ClaudeCodeVersion stores the extracted Claude Code version from User-Agent (e.g. "2.1.22")
 	ClaudeCodeVersion Key = "ctx_claude_code_version"
+
+	// Sub2APIUserID 当前请求的系统用户 ID，用于账号并发槽位中编码用户信息以支持实时活跃用户统计
+	Sub2APIUserID Key = "ctx_sub2api_user_id"
 )