fix: 修复关闭SSH终端标签页时会话状态未更新的问题

server/api/session_upload_progress.go

@@ -0,0 +1,20 @@
+package api
+
+import (
+	"fmt"
+	"github.com/labstack/echo/v4"
+)
+
+type WriteCounter struct {
+	Resp  *echo.Response `json:"-"`
+	Total uint64         `json:"total"`
+}
+
+func (wc *WriteCounter) Write(p []byte) (n int, err error) {
+	wc.Total += uint64(len(p))
+	// 向前端写入进度
+	data := fmt.Sprintf("%d㊥", wc.Total)
+	_, _ = wc.Resp.Write([]byte(data))
+	wc.Resp.Flush()
+	return n, nil
+}