定时任务操作添加点击反馈和文案提示

- 启用/禁用/立即执行/删除按钮添加 loading 状态(Spinner)
- 操作成功后显示绿色提示(如「已启用任务 xxx」)
- 操作失败后显示红色错误提示
- 按钮禁用期间防止重复点击

Co-Authored-By: new-provider/LongCat-2.0 <<EMAIL>>

frontend/src/admin/pages/Settings.tsx

@@ -54,6 +54,8 @@ export default function SettingsPage() {
   // 定时任务
   const [schedules, setSchedules] = useState<ScheduleItem[]>([])
   const [schedulesLoading, setSchedulesLoading] = useState(true)
+  const [scheduleNotice, setScheduleNotice] = useState<{ ok: boolean; text: string } | null>(null)
+  const [scheduleBusyId, setScheduleBusyId] = useState<string | null>(null)
 
   // ── 数据加载 ──
   const loadSettings = useCallback(async () => {
@@ -132,6 +134,48 @@ export default function SettingsPage() {
     }
   }
 
+  // ── 定时任务操作 ──
+  const handleToggleSchedule = async (s: ScheduleItem) => {
+    setScheduleBusyId(s.id)
+    setScheduleNotice(null)
+    try {
+      await updateSchedule(s.id, { enabled: !s.enabled })
+      setScheduleNotice({ ok: true, text: `已${!s.enabled ? '启用' : '禁用'}任务「${s.id}」` })
+      setSchedules(prev => prev.map(x => x.id === s.id ? { ...x, enabled: !x.enabled } : x))
+    } catch {
+      setScheduleNotice({ ok: false, text: '操作失败' })
+    } finally {
+      setScheduleBusyId(null)
+    }
+  }
+
+  const handleRunSchedule = async (s: ScheduleItem) => {
+    setScheduleBusyId(s.id)
+    setScheduleNotice(null)
+    try {
+      await runScheduleNow(s.id)
+      setScheduleNotice({ ok: true, text: `任务「${s.id}」已启动,请在日志页查看进度` })
+    } catch {
+      setScheduleNotice({ ok: false, text: '启动失败' })
+    } finally {
+      setScheduleBusyId(null)
+    }
+  }
+
+  const handleDeleteSchedule = async (s: ScheduleItem) => {
+    setScheduleBusyId(s.id)
+    setScheduleNotice(null)
+    try {
+      await deleteSchedule(s.id)
+      setScheduleNotice({ ok: true, text: `已删除任务「${s.id}」` })
+      setSchedules(prev => prev.filter(x => x.id !== s.id))
+    } catch {
+      setScheduleNotice({ ok: false, text: '删除失败' })
+    } finally {
+      setScheduleBusyId(null)
+    }
+  }
+
   const detectLLMModels = useCallback(async (): Promise<string[]> => {
     const r = await fetchLLMModels()
     if (!r.ok) throw new Error(r.detail)
@@ -390,6 +434,11 @@ export default function SettingsPage() {
             }
           />
           <CardBody>
+            {scheduleNotice && (
+              <div className="mb-3">
+                <Alert kind={scheduleNotice.ok ? 'ok' : 'error'} title={scheduleNotice.text} onClose={() => setScheduleNotice(null)} />
+              </div>
+            )}
             {schedulesLoading ? (
               <SkeletonBlock className="h-10 w-full" />
             ) : schedules.length === 0 ? (
@@ -414,22 +463,25 @@ export default function SettingsPage() {
                     </div>
                     <div className="flex items-center gap-2">
                       <button
-                        onClick={() => runScheduleNow(s.id)}
+                        onClick={() => handleRunSchedule(s)}
+                        disabled={scheduleBusyId === s.id}
                         className="btn btn-sm"
                       >
-                        立即执行
+                        {scheduleBusyId === s.id ? <Spinner /> : '立即执行'}
                       </button>
                       <button
-                        onClick={() => updateSchedule(s.id, { enabled: !s.enabled }).then(() => fetchSchedules().then(setSchedules))}
+                        onClick={() => handleToggleSchedule(s)}
+                        disabled={scheduleBusyId === s.id}
                         className={`btn btn-sm ${s.enabled ? '' : 'btn-solid'}`}
                       >
-                        {s.enabled ? '禁用' : '启用'}
+                        {scheduleBusyId === s.id ? <Spinner /> : (s.enabled ? '禁用' : '启用')}
                       </button>
                       <button
-                        onClick={() => deleteSchedule(s.id).then(() => fetchSchedules().then(setSchedules))}
+                        onClick={() => handleDeleteSchedule(s)}
+                        disabled={scheduleBusyId === s.id}
                         className="btn btn-sm btn-danger"
                       >
-                        删除
+                        {scheduleBusyId === s.id ? <Spinner /> : '删除'}
                       </button>
                     </div>
                   </div>