feat: add persistent system task log cleanup progress

web/default/src/i18n/locales/zh.json

@@ -52,6 +52,7 @@
     "{{modality}} not supported": "不支持 {{modality}}",
     "{{modality}} supported": "支持 {{modality}}",
     "{{n}} model(s) selected": "已选 {{n}} 个模型",
+    "{{processed}} of {{total}} log entries processed.": "已处理 {{processed}} / {{total}} 条日志。",
     "{{success}} succeeded, {{failed}} failed": "{{success}} 个成功，{{failed}} 个失败",
     "{{target}} test failed": "{{target}} 测试失败",
     "{{target}} test succeeded": "{{target}} 测试成功",
@@ -2352,6 +2353,8 @@
     "Locations": "位置",
     "Locked": "锁定",
     "log": "日志的完整详情",
+    "Log cleanup progress": "日志清理进度",
+    "Log cleanup task started.": "日志清理任务已启动。",
     "Log Details": "日志详情",
     "Log Directory": "日志目录",
     "Log File Count": "日志文件数",