perf: 优化日志保留与分页查询

- 降低普通只读请求的日志写入并保留敏感 GET 审计

- 增加数据库分批清理、时间索引和文件滚动容量上限

- 增加近 30 天筛选、稳定倒序和分页大小限制

easyflow-ui-admin/app/src/locales/langs/en-US/sysLog.json

@@ -10,5 +10,8 @@
   "actionParams": "ActionParams",
   "actionBody": "ActionBody",
   "status": "Status",
-  "created": "Created"
+  "created": "Created",
+  "searchPlaceholder": "Search action name",
+  "startDate": "Start date",
+  "endDate": "End date"
 }

easyflow-ui-admin/app/src/locales/langs/zh-CN/sysLog.json

@@ -10,5 +10,8 @@
   "actionParams": "操作请求参数",
   "actionBody": "操作请求body",
   "status": "操作状态 1 成功 9 失败",
-  "created": "操作时间"
+  "created": "操作时间",
+  "searchPlaceholder": "搜索操作名称",
+  "startDate": "开始日期",
+  "endDate": "结束日期"
 }