fix(monitor): preserve the saved auto-refresh preference

frontend/src/composables/useAutoRefresh.ts

@@ -4,6 +4,7 @@ export interface UseAutoRefreshOptions {
   storageKey: string
   intervals?: readonly number[]
   defaultInterval?: number
+  defaultEnabled?: boolean
   onRefresh: () => Promise<void> | void
   /** Skip tick when this returns true (e.g. modal open, document hidden). */
   shouldPause?: () => boolean
@@ -18,7 +19,7 @@ export function useAutoRefresh(options: UseAutoRefreshOptions) {
     shouldPause,
   } = options
 
-  const enabled = ref(false)
+  const enabled = ref(options.defaultEnabled ?? false)
   const intervalSeconds = ref(defaultInterval ?? intervals[intervals.length - 1])
   const countdown = ref(0)
   const fetching = ref(false)

frontend/src/views/user/ChannelStatusV1View.vue

@@ -66,6 +66,7 @@ const autoRefresh = useAutoRefresh({
   storageKey: 'channel-status-auto-refresh',
   intervals: [30, 60, 120] as const,
   defaultInterval: DEFAULT_INTERVAL_SECONDS,
+  defaultEnabled: true,
   onRefresh: () => reload(true),
   shouldPause: () => document.hidden || loading.value,
 })
@@ -162,7 +163,7 @@ watch(
 onMounted(() => {
   void reload(false)
   if (appStore.cachedPublicSettings?.channel_monitor_enabled !== false) {
-    autoRefresh.setEnabled(true)
+    autoRefresh.setEnabled(autoRefresh.enabled.value)
   }
 })
 

frontend/src/views/user/__tests__/ChannelStatusV1View.refresh.spec.ts

@@ -24,6 +24,25 @@ beforeEach(() => { vi.useFakeTimers(); localStorage.clear(); list.mockReset().mo
 afterEach(() => { wrapper?.unmount(); vi.useRealTimers(); localStorage.clear() })
 
 describe('channel monitor refresh interval', () => {
+  it('keeps automatic refresh disabled after reopening the page', async () => {
+    wrapper = mountView(); await flushPromises()
+    await wrapper.get('.disable').trigger('click')
+    wrapper.unmount()
+    wrapper = mountView(); await flushPromises()
+    const calls = list.mock.calls.length
+    await vi.advanceTimersByTimeAsync(240000)
+    expect(list).toHaveBeenCalledTimes(calls)
+    expect(JSON.parse(localStorage.getItem('channel-status-auto-refresh')!).enabled).toBe(false)
+    await wrapper.get('.refresh').trigger('click'); await flushPromises()
+    expect(list).toHaveBeenCalledTimes(calls + 1)
+  })
+
+  it('starts automatic refresh for a first visit', async () => {
+    wrapper = mountView(); await flushPromises()
+    await vi.advanceTimersByTimeAsync(120000)
+    expect(list.mock.calls.length).toBeGreaterThan(1)
+  })
+
   it('refreshes at the selected interval on successive automatic refreshes', async () => {
     wrapper = mountView(); await flushPromises()
     await wrapper.get('.interval').trigger('click')