feat(websocket): integrate WebSocket support and refactor SSE handling

- Added WebSocket support by introducing a new WSHandler and related infrastructure.
- Replaced SSE implementations with WebSocket equivalents across message and QR code handlers.
- Updated service and repository layers to utilize WebSocket for real-time messaging.
- Removed obsolete SSE hub and related code, streamlining the application for WebSocket usage.
- Enhanced router to include WebSocket endpoints for real-time communication.

internal/router/router.go

@@ -34,6 +34,7 @@ type Router struct {
 	adminLogHandler       *handler.AdminLogHandler
 	qrcodeHandler         *handler.QRCodeHandler
 	materialHandler       *handler.MaterialHandler
+	wsHandler             *handler.WSHandler
 	logService            *service.LogService
 	jwtService            *service.JWTService
 	casbinService         service.CasbinService
@@ -67,6 +68,7 @@ func New(
 	logService *service.LogService,
 	activityService service.UserActivityService,
 	casbinService service.CasbinService,
+	wsHandler *handler.WSHandler,
 ) *Router {
 	// 设置JWT服务
 	userHandler.SetJWTService(jwtService)
@@ -100,6 +102,7 @@ func New(
 		logService:            logService,
 		jwtService:            jwtService,
 		casbinService:         casbinService,
+		wsHandler:             wsHandler,
 	}
 
 	r.setupRoutes()
@@ -194,7 +197,7 @@ func (r *Router) setupRoutes() {
 			qrcode := v1.Group("/auth/qrcode")
 			{
 				qrcode.GET("", r.qrcodeHandler.GetQRCode)
-				qrcode.GET("/events", r.qrcodeHandler.SSEEvents)
+				qrcode.GET("/events", r.qrcodeHandler.WSEvents)
 			}
 
 			// 二维码操作（需认证）
@@ -327,9 +330,9 @@ func (r *Router) setupRoutes() {
 		}
 
 		realtime := v1.Group("/realtime")
-		realtime.Use(authMiddleware)
 		{
-			realtime.GET("/sse", r.messageHandler.HandleSSE)
+			// WebSocket端点 - 在中间件之前处理认证（通过query参数）
+			realtime.GET("/ws", r.wsHandler.HandleWebSocket)
 		}
 
 		// 消息操作路由