fix: restore current page after refresh

frontend/src/App.vue

@@ -6,7 +6,7 @@ import {
   Settings, Trash2, X, Repeat2,
 } from 'lucide-vue-next'
 import { buildTaskRrule, defaultTaskDueAt, filterTasks, fromDateTimeLocal, groupTaskTree, moveItemWithinScope, parseTaskRrule, renderMarkdown, toDateTimeLocal, type TaskRepeatConfig } from './lib/task-utils'
-import { defaultView, isTaskView, nextTotalAfterLocalTaskAdd, readStoredBoolean, shouldToggleRowSwipe, writeCountdownCache, writeStoredBoolean } from './lib/mvp-utils'
+import { isTaskView, nextTotalAfterLocalTaskAdd, readStoredBoolean, readStoredNavigation, shouldToggleRowSwipe, writeCountdownCache, writeStoredBoolean, writeStoredNavigation } from './lib/mvp-utils'
 import { csrfHeader } from './lib/csrf'
 import MvpPanel from './MvpPanel.vue'
 import CountdownPanel from './CountdownPanel.vue'
@@ -30,8 +30,10 @@ const archivedLists = ref<TaskList[]>([])
 const tasks = ref<Task[]>([])
 const overdueTasks = ref<Task[]>([])
 const trash = ref<Task[]>([])
-const activeList = ref('')
+const NAVIGATION_STORAGE_KEY = 'dodo.navigation'
-const activeView = ref<View>(defaultView())
+const restoredNavigation = readStoredNavigation(window.localStorage, NAVIGATION_STORAGE_KEY)
+const activeList = ref(restoredNavigation.listId)
+const activeView = ref<View>(restoredNavigation.view)
 const selectedTask = ref<Task | null>(null)
 const query = ref('')
 const error = ref('')
@@ -274,6 +276,20 @@ function toast(message: string) {
 }
 function fail(reason: unknown) { error.value = reason instanceof Error ? reason.message : '请求失败' }
 
+function restoreNavigation(inboxId: string) {
+  if (restoredNavigation.view === 'tasks' && restoredNavigation.listId) {
+    activeList.value = lists.value.some((item) => item.id === restoredNavigation.listId) ? restoredNavigation.listId : inboxId
+  } else {
+    activeList.value = inboxId
+  }
+}
+
+async function loadRestoredView() {
+  if (activeView.value === 'trash') await loadTrash()
+  else if (isTaskView(activeView.value)) await loadAll()
+  else { tasks.value = []; totalTasks.value = 0 }
+}
+
 async function bootstrap() {
   authReady.value = false
   try {
@@ -285,11 +301,11 @@ async function bootstrap() {
       folders.value = data.folders ?? []
       lists.value = data.lists ?? []
       navigationLoaded.value = true
-      activeList.value = data.inbox_id || lists.value.find((item: TaskList) => item.is_inbox)?.id || lists.value[0]?.id || ''
+      restoreNavigation(data.inbox_id || lists.value.find((item: TaskList) => item.is_inbox)?.id || lists.value[0]?.id || '')
       expandedFolders.value = new Set(folders.value.map((folder) => folder.id))
       await loadArchivedLists()
       void preloadCountdowns()
-      await loadAll()
+      await loadRestoredView()
     }
   } catch {
     authenticated.value = false
@@ -308,10 +324,10 @@ async function submitAuth() {
     folders.value = data.folders ?? []
     lists.value = data.lists ?? []
     navigationLoaded.value = true
-    activeList.value = data.inbox_id || lists.value.find((item: TaskList) => item.is_inbox)?.id || lists.value[0]?.id || ''
+    restoreNavigation(data.inbox_id || lists.value.find((item: TaskList) => item.is_inbox)?.id || lists.value[0]?.id || '')
     expandedFolders.value = new Set(folders.value.map((folder) => folder.id))
     void preloadCountdowns()
-    await loadAll()
+    await loadRestoredView()
   } catch (reason) { fail(reason) }
 }
 async function loadTaskPages(path: string) {
@@ -393,6 +409,7 @@ async function loadTrash() {
 async function switchView(view: View, listId?: string) {
   activeView.value = view
   if (listId) activeList.value = listId
+  writeStoredNavigation(window.localStorage, NAVIGATION_STORAGE_KEY, view, activeList.value)
   page.value = 1
   selectedTask.value = null; mobileSidebar.value = false; mobileDetail.value = false; mobileMore.value = false; taskComposeOpen.value = false
   if (view === 'trash') await loadTrash()

frontend/src/lib/mvp-utils.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest'
-import { calendarModeLabel, clampFabPosition, countdownDayText, countdownKindLabel, dateKey, defaultView, habitButtonNotice, habitButtonValue, habitWeek, isFabDrag, isHabitComplete, isHabitScheduledToday, isTaskView, nextHabitSwipeValue, nextTotalAfterLocalTaskAdd, numericHabitInputValue, previousHabitSwipeValue, quickTaskFields, readCountdownCache, readHabitGridCache, readStoredBoolean, shouldToggleRowSwipe, writeCountdownCache, writeHabitGridCache, writeStoredBoolean } from './mvp-utils'
+import { calendarModeLabel, clampFabPosition, countdownDayText, countdownKindLabel, dateKey, defaultView, habitButtonNotice, habitButtonValue, habitWeek, isFabDrag, isHabitComplete, isHabitScheduledToday, isTaskView, nextHabitSwipeValue, nextTotalAfterLocalTaskAdd, numericHabitInputValue, previousHabitSwipeValue, quickTaskFields, readCountdownCache, readHabitGridCache, readStoredBoolean, readStoredNavigation, shouldToggleRowSwipe, writeCountdownCache, writeHabitGridCache, writeStoredBoolean, writeStoredNavigation } from './mvp-utils'
 
 describe('MVP view utilities', () => {
   it('formats a local date as YYYY-MM-DD', () => {
@@ -17,6 +17,19 @@ describe('MVP view utilities', () => {
     expect(['habits', 'settings', 'trash'].filter(isTaskView)).toEqual([])
   })
 
+  it('restores the last page and selected task list after refresh', () => {
+    const storage = new Map<string, string>()
+    const fakeStorage = {
+      getItem: (key: string) => storage.get(key) ?? null,
+      setItem: (key: string, value: string) => storage.set(key, value),
+    }
+    expect(readStoredNavigation(fakeStorage, 'dodo.navigation')).toEqual({ view: 'today', listId: '' })
+    writeStoredNavigation(fakeStorage, 'dodo.navigation', 'tasks', 'list-2')
+    expect(readStoredNavigation(fakeStorage, 'dodo.navigation')).toEqual({ view: 'tasks', listId: 'list-2' })
+    storage.set('dodo.navigation', JSON.stringify({ view: 'invalid', listId: 'list-2' }))
+    expect(readStoredNavigation(fakeStorage, 'dodo.navigation')).toEqual({ view: 'today', listId: '' })
+  })
+
   it('only completes numeric habits when progress reaches the target', () => {
     expect(isHabitComplete('numeric', 3, 5)).toBe(false)
     expect(isHabitComplete('numeric', 5, 5)).toBe(true)

frontend/src/lib/mvp-utils.ts

@@ -1,4 +1,21 @@
 type BooleanStorage = Pick<Storage, 'getItem' | 'setItem'>
+type NavigationView = 'tasks' | 'today' | 'upcoming' | 'trash' | 'habits' | 'countdowns' | 'settings'
+type StoredNavigation = { view: NavigationView; listId: string }
+const NAVIGATION_VIEWS = new Set<NavigationView>(['tasks', 'today', 'upcoming', 'trash', 'habits', 'countdowns', 'settings'])
+
+export function readStoredNavigation(storage: BooleanStorage, key: string): StoredNavigation {
+  try {
+    const value = JSON.parse(storage.getItem(key) ?? 'null')
+    if (value && NAVIGATION_VIEWS.has(value.view) && typeof value.listId === 'string') {
+      return { view: value.view, listId: value.listId }
+    }
+  } catch { /* storage may be unavailable or invalid */ }
+  return { view: defaultView(), listId: '' }
+}
+
+export function writeStoredNavigation(storage: BooleanStorage, key: string, view: NavigationView, listId: string) {
+  try { storage.setItem(key, JSON.stringify({ view, listId })) } catch { /* storage may be unavailable */ }
+}
 
 export function readStoredBoolean(storage: BooleanStorage, key: string, fallback: boolean) {
   try {

frontend/src/style.test.ts

@@ -120,6 +120,12 @@ describe('task and habit row decoration', () => {
     expect(css).toContain('.habit-progress{margin-left:auto;')
   })
 
+  it('restores the current page and list from local storage', () => {
+    expect(app).toContain("readStoredNavigation(window.localStorage, NAVIGATION_STORAGE_KEY)")
+    expect(app).toContain("writeStoredNavigation(window.localStorage, NAVIGATION_STORAGE_KEY, view, activeList.value)")
+    expect(app).toContain('if (restoredNavigation.view === \'tasks\' && restoredNavigation.listId)')
+  })
+
   it('restores the completed-item visibility choices from local storage', () => {
     expect(app).toContain("readStoredBoolean(window.localStorage, SHOW_COMPLETED_STORAGE_KEY, true)")
     expect(app).toContain("writeStoredBoolean(window.localStorage, SHOW_COMPLETED_STORAGE_KEY, value)")
@@ -366,7 +372,7 @@ describe('sidebar layout', () => {
   })
 
   it('loads archived lists during bootstrap so archived rows are visible after refresh', () => {
-    expect(app).toContain('expandedFolders.value = new Set(folders.value.map((folder) => folder.id))\n      await loadArchivedLists()\n      void preloadCountdowns()\n      await loadAll()')
+    expect(app).toContain('expandedFolders.value = new Set(folders.value.map((folder) => folder.id))\n      await loadArchivedLists()\n      void preloadCountdowns()\n      await loadRestoredView()')
   })
 
   it('styles archived rows through the new list-row-main structure', () => {