chore: add log size limit

internal/services/tasks/task_log_service.go

@@ -8,6 +8,7 @@ import (
 	"github.com/engigu/baihu-panel/internal/logger"
 	"github.com/engigu/baihu-panel/internal/models"
 	"github.com/engigu/baihu-panel/internal/systime"
+	"github.com/engigu/baihu-panel/internal/constant"
 	"github.com/engigu/baihu-panel/internal/utils"
 )
 
@@ -161,8 +162,9 @@ func (s *TaskLogService) ProcessTaskCompletion(taskLog *models.TaskLog) error {
 
 // CreateTaskLogFromAgentResult 从 Agent 结果创建任务日志
 func (s *TaskLogService) CreateTaskLogFromAgentResult(result *models.AgentTaskResult) (*models.TaskLog, error) {
-	// 压缩输出
-	compressed, err := utils.CompressToBase64(result.Output)
+	// 裁剪并压缩输出
+	trimmedOutput := utils.TrimLog(result.Output, constant.MaxLogSize)
+	compressed, err := utils.CompressToBase64(trimmedOutput)
 	if err != nil {
 		logger.Errorf("[TaskLog] 压缩日志失败: %v", err)
 		compressed = ""
@@ -202,8 +204,9 @@ func (s *TaskLogService) CreateTaskLogFromLocalExecution(taskID string, command,
 	if isCompressed {
 		compressed = output
 	} else {
-		// 压缩输出
-		compressed, err = utils.CompressToBase64(output)
+		// 裁剪并压缩输出
+		trimmedOutput := utils.TrimLog(output, constant.MaxLogSize)
+		compressed, err = utils.CompressToBase64(trimmedOutput)
 		if err != nil {
 			logger.Errorf("[TaskLog] 压缩日志失败: %v", err)
 			compressed = ""

internal/services/tasks/tiny_log.go

@@ -4,11 +4,13 @@ import (
 	"bufio"
 	"bytes"
 	"encoding/base64"
+	"fmt"
 	"io"
 	"os"
 	"sync"
 	"unicode/utf8"
 
+	"github.com/engigu/baihu-panel/internal/constant"
 	"github.com/engigu/baihu-panel/internal/utils"
 )
 
@@ -236,6 +238,33 @@ func (l *TinyLog) CompressAndCleanup() (string, error) {
 	zw := utils.GetZlibWriter(b64Writer)
 	defer utils.PutZlibWriter(zw)
 
+	// 获取文件大小
+	stat, err := f.Stat()
+	if err != nil {
+		return "", err
+	}
+	size := stat.Size()
+	maxSize := int64(constant.MaxLogSize)
+	if maxSize < 1024*1024 {
+		maxSize = 1024 * 1024
+	}
+
+	var readStart int64 = 0
+	if size > maxSize {
+		readStart = size - maxSize
+		// 写入一条截断提示
+		truncatedMsg := fmt.Sprintf("\n\n[System] 日志过长，已自动截断，仅保留末尾 %d MB...\n\n", maxSize/1024/1024)
+		if _, err := zw.Write([]byte(truncatedMsg)); err != nil {
+			return "", err
+		}
+	}
+
+	if readStart > 0 {
+		if _, err := f.Seek(readStart, io.SeekStart); err != nil {
+			return "", err
+		}
+	}
+
 	// 流处理: 文件 -> Zlib -> Base64 -> 缓冲区
 	if _, err := io.Copy(zw, f); err != nil {
 		return "", err