remove deprecated mock admin endpoints

backend/internal/server/routes/admin.go

@@ -213,7 +213,6 @@ func registerDashboardRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 	{
 		dashboard.GET("/snapshot-v2", h.Admin.Dashboard.GetSnapshotV2)
 		dashboard.GET("/stats", h.Admin.Dashboard.GetStats)
-		dashboard.GET("/realtime", h.Admin.Dashboard.GetRealtimeMetrics)
 		dashboard.GET("/trend", h.Admin.Dashboard.GetUsageTrend)
 		dashboard.GET("/models", h.Admin.Dashboard.GetModelStats)
 		dashboard.GET("/groups", h.Admin.Dashboard.GetGroupStats)
@@ -237,7 +236,6 @@ func registerUserManagementRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 		users.DELETE("/:id", h.Admin.User.Delete)
 		users.POST("/:id/balance", h.Admin.User.UpdateBalance)
 		users.GET("/:id/api-keys", h.Admin.User.GetUserAPIKeys)
-		users.GET("/:id/usage", h.Admin.User.GetUserUsage)
 		users.GET("/:id/balance-history", h.Admin.User.GetBalanceHistory)
 		users.POST("/:id/replace-group", h.Admin.User.ReplaceGroup)
 
@@ -370,7 +368,6 @@ func registerProxyRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 		proxies.DELETE("/:id", h.Admin.Proxy.Delete)
 		proxies.POST("/:id/test", h.Admin.Proxy.Test)
 		proxies.POST("/:id/quality-check", h.Admin.Proxy.CheckQuality)
-		proxies.GET("/:id/stats", h.Admin.Proxy.GetStats)
 		proxies.GET("/:id/accounts", h.Admin.Proxy.GetProxyAccounts)
 		proxies.POST("/batch-delete", h.Admin.Proxy.BatchDelete)
 		proxies.POST("/batch", h.Admin.Proxy.BatchCreate)
@@ -381,7 +378,6 @@ func registerRedeemCodeRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 	codes := admin.Group("/redeem-codes")
 	{
 		codes.GET("", h.Admin.Redeem.List)
-		codes.GET("/stats", h.Admin.Redeem.GetStats)
 		codes.GET("/export", h.Admin.Redeem.Export)
 		codes.GET("/:id", h.Admin.Redeem.GetByID)
 		codes.POST("/create-and-redeem", h.Admin.Redeem.CreateAndRedeem)

backend/internal/server/routes/admin_routes_test.go

@@ -0,0 +1,41 @@
+package routes
+
+import (
+	"testing"
+
+	"github.com/Wei-Shaw/sub2api/internal/handler"
+	"github.com/Wei-Shaw/sub2api/internal/server/middleware"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRegisterAdminRoutes_OmitsDeprecatedMockEndpoints(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	engine := gin.New()
+	v1 := engine.Group("/api/v1")
+	adminAuth := middleware.AdminAuthMiddleware(func(c *gin.Context) {
+		c.Next()
+	})
+
+	RegisterAdminRoutes(v1, &handler.Handlers{
+		Admin: &handler.AdminHandlers{},
+	}, adminAuth)
+
+	routesByMethodAndPath := make(map[string]struct{})
+	for _, route := range engine.Routes() {
+		routesByMethodAndPath[route.Method+" "+route.Path] = struct{}{}
+	}
+
+	deprecatedRoutes := []string{
+		"GET /api/v1/admin/dashboard/realtime",
+		"GET /api/v1/admin/users/:id/usage",
+		"GET /api/v1/admin/proxies/:id/stats",
+		"GET /api/v1/admin/redeem-codes/stats",
+	}
+
+	for _, route := range deprecatedRoutes {
+		_, exists := routesByMethodAndPath[route]
+		require.Falsef(t, exists, "deprecated mock route should not be registered: %s", route)
+	}
+}