fix(journey): persist dismissed suggestions in local storage

client/src/pages/JourneyPage.test.tsx

@@ -78,6 +78,8 @@ function setupDefaultHandlers(journeys: ReturnType<typeof buildJourneyListItem>[
 
 beforeEach(() => {
   vi.clearAllMocks();
+  window.localStorage.clear();
+  delete window.__addToast;
   mockNavigate.mockReset();
   resetAllStores();
   seedDefaults();
@@ -193,6 +195,77 @@ describe('JourneyPage', () => {
     });
   });
 
+  it('FE-PAGE-JOURNEY-007c: keeps a dismissed suggestion hidden after remount', async () => {
+    const user = userEvent.setup();
+    const suggestions = [
+      { id: 991, title: 'Kyoto Weekend', start_date: '2026-03-01', end_date: '2026-03-02', place_count: 2 },
+      { id: 993, title: 'Lisbon Loop', start_date: '2026-04-01', end_date: '2026-04-02', place_count: 3 },
+    ];
+    server.use(
+      http.get('/api/journeys', () => HttpResponse.json({ journeys: [] })),
+      http.get('/api/journeys/suggestions', () => HttpResponse.json({ trips: suggestions })),
+    );
+
+    const firstRender = render(<JourneyPage />);
+    const dismissButton = await screen.findByRole('button', { name: 'Dismiss' });
+    await user.click(dismissButton);
+
+    expect(await screen.findByText(/Lisbon Loop/)).toBeInTheDocument();
+    const dismissedRecord = JSON.parse(window.localStorage.getItem(`trek:journey:dismissed-suggestions:v1:${useAuthStore.getState().user?.id}`) || '[]');
+    expect(dismissedRecord).toContain(991);
+    firstRender.unmount();
+
+    render(<JourneyPage />);
+    expect(await screen.findByText(/Lisbon Loop/)).toBeInTheDocument();
+    expect(screen.queryByText(/Kyoto Weekend/)).not.toBeInTheDocument();
+  });
+
+  it('FE-PAGE-JOURNEY-007d: keeps the suggestion visible and reports a storage failure', async () => {
+    const user = userEvent.setup();
+    const suggestion = { id: 992, title: 'Coast Trip', start_date: '2026-03-01', end_date: '2026-03-02', place_count: 2 };
+    const addToast = vi.fn();
+    window.__addToast = addToast;
+    const setItem = vi.spyOn(Storage.prototype, 'setItem').mockImplementation(() => {
+      throw new DOMException('Storage is full', 'QuotaExceededError');
+    });
+    server.use(
+      http.get('/api/journeys', () => HttpResponse.json({ journeys: [] })),
+      http.get('/api/journeys/suggestions', () => HttpResponse.json({ trips: [suggestion] })),
+    );
+
+    render(<JourneyPage />);
+    await user.click(await screen.findByRole('button', { name: 'Dismiss' }));
+
+    expect(addToast).toHaveBeenCalledWith('Could not dismiss this suggestion', 'error', undefined);
+    expect(screen.getByText(/Trip just ended/i)).toBeInTheDocument();
+    setItem.mockRestore();
+    delete window.__addToast;
+  });
+
+  it('FE-PAGE-JOURNEY-007e: deletes dismissed IDs absent from the suggestions response', async () => {
+    const userId = useAuthStore.getState().user?.id;
+    const absentTripId = 994;
+    const stillDismissedTripId = 995;
+    const returnedTripId = 996;
+    const key = `trek:journey:dismissed-suggestions:v1:${userId}`;
+    window.localStorage.setItem(key, JSON.stringify([absentTripId, stillDismissedTripId]));
+    server.use(
+      http.get('/api/journeys', () => HttpResponse.json({ journeys: [] })),
+      http.get('/api/journeys/suggestions', () => HttpResponse.json({
+        trips: [
+          { id: returnedTripId, title: 'Returned Trip', start_date: '2026-04-01', end_date: '2026-04-02', place_count: 2 },
+          { id: stillDismissedTripId, title: 'Still Dismissed', start_date: '2026-05-01', end_date: '2026-05-02', place_count: 2 },
+        ],
+      })),
+    );
+
+    render(<JourneyPage />);
+
+    expect(await screen.findByText(/Returned Trip/)).toBeInTheDocument();
+    expect(screen.queryByText(/Still Dismissed/)).not.toBeInTheDocument();
+    expect(JSON.parse(window.localStorage.getItem(key) || '[]')).toEqual([stillDismissedTripId]);
+  });
+
   // FE-PAGE-JOURNEY-007b — XSS regression: the suggestion banner interpolates
   // a user-controlled trip title into an HTML template that is later passed to
   // dangerouslySetInnerHTML. The sanitiser in @trek/shared must drop any script
@@ -266,7 +339,7 @@ describe('JourneyPage', () => {
     });
 
     // Click dismiss
-    await user.click(screen.getByText(/Dismiss/i));
+    await user.click(screen.getByRole('button', { name: 'Dismiss' }));
 
     await waitFor(() => {
       expect(screen.queryByText(/Trip just ended/i)).not.toBeInTheDocument();

client/src/pages/JourneyPage.tsx

@@ -45,7 +45,7 @@ function JourneyPageDesktop() {
     showCreate, setShowCreate, newTitle, setNewTitle, newSubtitle, setNewSubtitle,
     availableTrips, selectedTripIds, setSelectedTripIds,
     searchOpen, setSearchOpen, searchQuery, setSearchQuery, searchInputRef,
-    activeSuggestion, setDismissedSuggestions,
+    activeSuggestion, dismissSuggestion,
     activeJourney, activeJourneyIsLive, filteredJourneys,
     openCreateModal, handleCreate, totalPlaces,
   } = useJourney()
@@ -112,7 +112,7 @@ function JourneyPageDesktop() {
                   </div>
                   <div className="flex items-center gap-2 flex-shrink-0">
                     <button type="button"
-                      onClick={() => setDismissedSuggestions(prev => new Set([...prev, activeSuggestion.id]))}
+                      onClick={() => dismissSuggestion(activeSuggestion.id)}
                       className="px-3 py-1.5 rounded-lg bg-white/10 border border-white/20 text-[12px] font-medium text-white hover:bg-white/20"
                     >
                       {t('journey.frontpage.dismiss')}

client/src/pages/journey/useJourney.ts

@@ -1,11 +1,48 @@
 import { useEffect, useState, useMemo, useRef } from 'react'
 import { useNavigate, useSearchParams } from 'react-router'
 import { useJourneyStore } from '../../store/journeyStore'
+import { useAuthStore } from '../../store/authStore'
 import { journeyApi } from '../../api/client'
 import { useToast } from '../../components/shared/Toast'
 import { useTranslation } from '../../i18n'
 import { computeJourneyLifecycle } from '../../utils/journeyLifecycle'
 
+function dismissedSuggestionsKey(userId: number | undefined): string {
+  return `trek:journey:dismissed-suggestions:v1:${userId ?? 'anonymous'}`
+}
+
+function readDismissedSuggestions(userId: number | undefined): Set<number> {
+  try {
+    const value: unknown = JSON.parse(window.localStorage.getItem(dismissedSuggestionsKey(userId)) || '[]')
+    if (!Array.isArray(value)) return new Set()
+
+    const dismissed = new Set<number>()
+    for (const item of value) {
+      if (Number.isInteger(item)) {
+        dismissed.add(item)
+        continue
+      }
+      if (!item || typeof item !== 'object') {
+        continue
+      }
+      const record = item as { id?: unknown; dismissedAt?: unknown }
+      if (typeof record.id === 'number' && Number.isInteger(record.id)) dismissed.add(record.id)
+    }
+    return dismissed
+  } catch {
+    return new Set()
+  }
+}
+
+function saveDismissedSuggestions(userId: number | undefined, dismissed: Set<number>): void {
+  const key = dismissedSuggestionsKey(userId)
+  if (dismissed.size === 0) {
+    window.localStorage.removeItem(key)
+    return
+  }
+  window.localStorage.setItem(key, JSON.stringify([...dismissed]))
+}
+
 /**
  * Journey list page logic — owns the journey store load, the create-journey
  * modal (title, available trips, selection), the search box, the trip
@@ -18,6 +55,7 @@ export function useJourney() {
   const toast = useToast()
   const { t } = useTranslation()
   const { journeys, loading, loadJourneys, createJourney } = useJourneyStore()
+  const userId = useAuthStore(s => s.user?.id)
 
   const [showCreate, setShowCreate] = useState(false)
   const [newTitle, setNewTitle] = useState('')
@@ -30,15 +68,37 @@ export function useJourney() {
 
   // suggestion
   const [suggestions, setSuggestions] = useState<any[]>([])
-  const [dismissedSuggestions, setDismissedSuggestions] = useState<Set<number>>(new Set())
+  const [dismissedSuggestions, setDismissedSuggestions] = useState<Set<number>>(() => readDismissedSuggestions(userId))
 
   const [searchParams, setSearchParams] = useSearchParams()
 
   useEffect(() => {
     loadJourneys()
-    journeyApi.suggestions().then(d => setSuggestions(d.trips || [])).catch(() => {})
   }, [])
 
+  useEffect(() => {
+    let cancelled = false
+    setSuggestions([])
+    setDismissedSuggestions(readDismissedSuggestions(userId))
+    journeyApi.suggestions().then(d => {
+      if (cancelled) return
+      const trips = d.trips || []
+      const suggestionIds = new Set<number>(trips.map((trip: { id: number }) => trip.id))
+      const stored = readDismissedSuggestions(userId)
+      const retained = new Set([...stored].filter(id => suggestionIds.has(id)))
+      setSuggestions(trips)
+      setDismissedSuggestions(retained)
+      if (retained.size !== stored.size) {
+        try {
+          saveDismissedSuggestions(userId, retained)
+        } catch {
+          toast.error(t('journey.frontpage.dismissError'))
+        }
+      }
+    }).catch(() => {})
+    return () => { cancelled = true }
+  }, [userId])
+
   // The bottom-nav "+" opens the new-journey modal via ?create=1.
   useEffect(() => {
     if (searchParams.get('create') === '1') {
@@ -49,6 +109,17 @@ export function useJourney() {
 
   const activeSuggestion = suggestions.find(s => !dismissedSuggestions.has(s.id))
 
+  const dismissSuggestion = (tripId: number) => {
+    const next = new Set(dismissedSuggestions)
+    next.add(tripId)
+    try {
+      saveDismissedSuggestions(userId, next)
+      setDismissedSuggestions(next)
+    } catch {
+      toast.error(t('journey.frontpage.dismissError'))
+    }
+  }
+
   // The frontpage always features one journey as the hero. A journey tied to a
   // currently-running trip wins; otherwise we fall back to the most recent one
   // (the list arrives sorted by updated_at DESC, so journeys[0] is the newest).
@@ -118,7 +189,7 @@ export function useJourney() {
     showCreate, setShowCreate, newTitle, setNewTitle, newSubtitle, setNewSubtitle,
     availableTrips, selectedTripIds, setSelectedTripIds,
     searchOpen, setSearchOpen, searchQuery, setSearchQuery, searchInputRef,
-    activeSuggestion, setDismissedSuggestions,
+    activeSuggestion, dismissSuggestion,
     activeJourney, activeJourneyIsLive, filteredJourneys,
     openCreateModal, handleCreate, totalPlaces,
   }

shared/src/i18n/en/journey.ts

@@ -70,6 +70,7 @@ const journey: TranslationStrings = {
   'journey.frontpage.suggestionLabel': 'Trip just ended',
   'journey.frontpage.suggestionText': 'Turn <strong>{title}</strong> into a Journey',
   'journey.frontpage.dismiss': 'Dismiss',
+  'journey.frontpage.dismissError': 'Could not dismiss this suggestion',
   'journey.frontpage.journeyName': 'Journey Name',
   'journey.frontpage.namePlaceholder': 'e.g. Southeast Asia 2026',
   'journey.frontpage.selectTrips': 'Select Trips',

shared/src/i18n/zh/journey.ts

@@ -69,6 +69,7 @@ const journey: TranslationStrings = {
   'journey.frontpage.suggestionLabel': '旅行刚结束',
   'journey.frontpage.suggestionText': '将 <strong>{title}</strong> 变成一段旅程',
   'journey.frontpage.dismiss': '忽略',
+  'journey.frontpage.dismissError': '无法忽略这条建议，请重试',
   'journey.frontpage.journeyName': '旅程名称',
   'journey.frontpage.namePlaceholder': '例如 东南亚 2026',
   'journey.frontpage.selectTrips': '选择旅行',