优化节点分配逻辑，使用 edge id 固定轮换顺位；日志与 journal 集成；完善命令执行后的资源清理

actions/edges.go

@@ -2,9 +2,10 @@ package actions
 
 import (
 	"fmt"
+	"zzman/model"
+
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
-	"zzman/model"
 )
 
 const batchSize = 1000
@@ -18,9 +19,9 @@ func FindEdgesByCity(tx *gorm.DB, cityId int) ([]model.Edge, error) {
 	return edges, nil
 }
 
-func SliceActiveEdgesByCity(tx *gorm.DB, cityId int, offset int, limit int) ([]model.Edge, error) {
+func SliceActiveEdges(tx *gorm.DB, cityId int, afterEdgeId int, count int) ([]model.Edge, error) {
 	var edges []model.Edge
-	err := tx.Limit(limit).Offset(offset).Find(&edges, "city_id = ? and active = 1", cityId).Error
+	err := tx.Limit(count).Find(&edges, "id > ? and city_id = ? and active = 1", afterEdgeId, cityId).Error
 	if err != nil {
 		return nil, fmt.Errorf("failed to find edges with offset: %w", err)
 	}
@@ -34,10 +35,7 @@ func SaveEdges(tx *gorm.DB, edges []model.Edge) error {
 
 	// 分批处理边缘设备数据
 	for i := 0; i < len(edges); i += batchSize {
-		end := i + batchSize
-		if end > len(edges) {
-			end = len(edges)
-		}
+		end := min(i+batchSize, len(edges))
 
 		batch := edges[i:end]
 		err := tx.Clauses(clause.OnConflict{