feat: add a service for periodic cleanup of error accounts based on configuration.

frontend/src/components/LiveLogViewer.tsx

@@ -131,8 +131,22 @@ export default function LiveLogViewer({
         }
     }
 
-    const handleClear = () => {
-        setLogs([])
+    const handleClear = async () => {
+        if (!confirm('确定要清空所有日志吗？此操作不可撤销。')) {
+            return
+        }
+        try {
+            const res = await fetch('/api/logs/clear', { method: 'POST' })
+            const data = await res.json()
+            if (data.code === 0) {
+                setLogs([])
+                pausedLogsRef.current = []
+            } else {
+                alert('清空日志失败: ' + (data.message || '未知错误'))
+            }
+        } catch (e) {
+            alert('清空日志失败: ' + (e instanceof Error ? e.message : '网络错误'))
+        }
     }
 
     return (
@@ -161,8 +175,8 @@ export default function LiveLogViewer({
                     </button>
                     <button
                         onClick={handleClear}
-                        className="p-1.5 rounded-lg bg-slate-700 text-slate-400 hover:bg-slate-600 transition-colors"
-                        title="清空"
+                        className="p-1.5 rounded-lg bg-red-500/20 text-red-400 hover:bg-red-500/30 transition-colors"
+                        title="清空所有日志"
                     >
                         <Trash2 className="h-3.5 w-3.5" />
                     </button>

frontend/src/pages/Cleaner.tsx

@@ -396,6 +396,31 @@ export default function Cleaner() {
                         <span className="text-sm text-slate-500 dark:text-slate-400">
                             共 {logTotal} 条
                         </span>
+                        <Button
+                            variant="outline"
+                            size="sm"
+                            onClick={async () => {
+                                if (!confirm('确定要清空所有清理日志吗？此操作不可撤销。')) return
+                                try {
+                                    const res = await fetch('/api/logs/clear-module?module=cleaner', { method: 'POST' })
+                                    const data = await res.json()
+                                    if (data.code === 0) {
+                                        setLogEntries([])
+                                        setLogTotal(0)
+                                        setLogTotalPages(0)
+                                        setMessage({ type: 'success', text: data.data.message || '日志已清空' })
+                                    } else {
+                                        setMessage({ type: 'error', text: data.message || '清空失败' })
+                                    }
+                                } catch {
+                                    setMessage({ type: 'error', text: '网络错误' })
+                                }
+                            }}
+                            icon={<Trash2 className="h-3 w-3" />}
+                            className="text-red-500 hover:text-red-600 border-red-300 hover:border-red-400 dark:border-red-800"
+                        >
+                            清空日志
+                        </Button>
                         <Button
                             variant="outline"
                             size="sm"