fix(chat): 优化后台限流与 SSE 日志

backend/internal/router/router.go

@@ -60,6 +60,7 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 	engine.Use(middleware.RequestID())
 	engine.Use(middleware.RequestLogger(logger))
 	engine.Use(middleware.Recovery(logger))
+	jwtManager := auth.NewJWTManager(cfg.JWTSecret)
 
 	health := handler.NewHealthHandler()
 	engine.GET("/health", health.Check)
@@ -69,7 +70,7 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 		engine.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
 	}
 	if cfg.RateLimit.Enabled {
-		engine.Use(middleware.RateLimitPerMinute(cfg.RateLimit.RequestsPerMinute, deps.Redis))
+		engine.Use(middleware.AdminAwareRateLimitPerMinute(cfg.RateLimit.RequestsPerMinute, deps.Redis, jwtManager))
 	}
 
 	// 业务字段加密器（实名/收款账号）：主密钥 + legacy 回退，用于密钥轮换期间透明解出旧密文。
@@ -112,7 +113,6 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 		logger.Debug("开发环境使用模拟业务字段加密器")
 	}
 
-	jwtManager := auth.NewJWTManager(cfg.JWTSecret)
 	var userRepo *auth.UserRepository
 	if deps.DB != nil {
 		userRepo = auth.NewUserRepository(deps.DB)
@@ -285,7 +285,7 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 	chatHandler := chat.NewHandler(chatService)
 	var chatHubHandler *chathub.Handler
 	if chatHub != nil {
-		chatHubHandler = chathub.NewHandler(chatHub)
+		chatHubHandler = chathub.NewHandler(chatHub, logger)
 	}
 	var disputeRepo *dispute.Repository
 	if deps.DB != nil {