feat: Agent CLI 与终端审计回放全面优化

- Agent CLI: 多轮对话、SSH 长连接、流式推理、Evolver 按用户隔离、历史侧栏
- 终端审计: 回放播放器、命令书签、筛选分页导出、命令输出统计、录制落盘修复
- 修复 session_commands 表迁移、Kill 竞态导致录制丢失、无录制会话回放提示
- 审计历史页只读（移除删除），移除回放弹框录制搜索

backend/controller/session_command.go

@@ -2,6 +2,7 @@ package controller
 
 import (
 	"net/http"
+	"time"
 
 	"ezops/model"
 
@@ -47,6 +48,16 @@ func (h *SessionCommandHandler) ListSessionCommands(c *gin.Context) {
 	if req.Command != "" {
 		query = query.Where("command LIKE ?", "%"+req.Command+"%")
 	}
+	if req.StartDate != "" {
+		if t, err := time.ParseInLocation("2006-01-02", req.StartDate, time.Local); err == nil {
+			query = query.Where("timestamp >= ?", t)
+		}
+	}
+	if req.EndDate != "" {
+		if t, err := time.ParseInLocation("2006-01-02", req.EndDate, time.Local); err == nil {
+			query = query.Where("timestamp < ?", t.Add(24*time.Hour))
+		}
+	}
 
 	var total int64
 	if err := query.Count(&total).Error; err != nil {
@@ -54,17 +65,43 @@ func (h *SessionCommandHandler) ListSessionCommands(c *gin.Context) {
 		return
 	}
 
-	var commands []model.SessionCommand
-	if err := query.Order("id DESC").
+	// 联表带出会话录制大小，前端可判断能否回放 // Logan.Li
+	var items []model.SessionCommandItem
+	listQuery := h.db.Table("sys_session_commands AS sc").
+		Select("sc.*, COALESCE(ts.record_size, 0) AS session_record_size").
+		Joins("LEFT JOIN sys_terminal_sessions AS ts ON ts.id = sc.session_id")
+	if req.SessionID > 0 {
+		listQuery = listQuery.Where("sc.session_id = ?", req.SessionID)
+	}
+	if req.Username != "" {
+		listQuery = listQuery.Where("sc.username LIKE ?", "%"+req.Username+"%")
+	}
+	if req.ServerID > 0 {
+		listQuery = listQuery.Where("sc.server_id = ?", req.ServerID)
+	}
+	if req.Command != "" {
+		listQuery = listQuery.Where("sc.command LIKE ?", "%"+req.Command+"%")
+	}
+	if req.StartDate != "" {
+		if t, err := time.ParseInLocation("2006-01-02", req.StartDate, time.Local); err == nil {
+			listQuery = listQuery.Where("sc.timestamp >= ?", t)
+		}
+	}
+	if req.EndDate != "" {
+		if t, err := time.ParseInLocation("2006-01-02", req.EndDate, time.Local); err == nil {
+			listQuery = listQuery.Where("sc.timestamp < ?", t.Add(24*time.Hour))
+		}
+	}
+	if err := listQuery.Order("sc.id DESC").
 		Offset((req.Page - 1) * req.PageSize).
 		Limit(req.PageSize).
-		Find(&commands).Error; err != nil {
+		Scan(&items).Error; err != nil {
 		c.JSON(http.StatusInternalServerError, model.Response{Code: 500, Message: "查询失败"})
 		return
 	}
 
 	c.JSON(http.StatusOK, model.Response{Code: 200, Data: model.ListResponse{
-		List:  commands,
+		List:  items,
 		Total: total,
 	}})
 }