优化日志加载和清理功能，增加流式读取和定期清理日志服务

Web/src/views/LogView.vue

@@ -185,10 +185,17 @@ const loadLogs = async (reset = false) => {
       total.value = response.total
 
       // 判断是否还有更多数据
-      if (logList.value.length >= total.value || newLogs.length < pageSize.value) {
-        finished.value = true
+      // total = -1 表示总数未知，此时只根据返回数据量判断
+      if (total.value === -1) {
+        // 如果返回的数据少于请求的数量，说明没有更多了
+        finished.value = newLogs.length < pageSize.value
       } else {
-        finished.value = false
+        // 如果有明确的总数，则判断是否已加载完全部数据
+        if (logList.value.length >= total.value || newLogs.length < pageSize.value) {
+          finished.value = true
+        } else {
+          finished.value = false
+        }
       }
     } else {
       showToast(response.message || '获取日志失败')