feature: add GetConversationsHasReadAndMaxSeq interface to the WebSocket API. (#2611)

internal/msggateway/client.go

@@ -22,6 +22,8 @@ import (
 	"sync/atomic"
 	"time"
 
+	"google.golang.org/protobuf/proto"
+
 	"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
 	"github.com/openimsdk/protocol/constant"
 	"github.com/openimsdk/protocol/sdkws"
@@ -30,7 +32,6 @@ import (
 	"github.com/openimsdk/tools/log"
 	"github.com/openimsdk/tools/mcontext"
 	"github.com/openimsdk/tools/utils/stringutil"
-	"google.golang.org/protobuf/proto"
 )
 
 var (
@@ -222,6 +223,8 @@ func (c *Client) handleMessage(message []byte) error {
 		resp, messageErr = c.longConnServer.PullMessageBySeqList(ctx, binaryReq)
 	case WSPullMsg:
 		resp, messageErr = c.longConnServer.GetSeqMessage(ctx, binaryReq)
+	case WSGetConvMaxReadSeq:
+		resp, messageErr = c.longConnServer.GetConversationsHasReadAndMaxSeq(ctx, binaryReq)
 	case WsLogoutMsg:
 		resp, messageErr = c.longConnServer.UserLogout(ctx, binaryReq)
 	case WsSetBackgroundStatus: