feat: permanently delete archived lists

frontend/src/style.test.ts

@@ -737,4 +737,32 @@ describe('sidebar layout', () => {
   it('styles archived rows through the new list-row-main structure', () => {
     expect(css).toContain('.archived-row .list-row-main>svg{color:#c9a45c}')
   })
+
+  it('offers permanent deletion only beside archived lists', () => {
+    expect(app).toContain('aria-label="永久删除清单" @click="openPurgeList(list,$event.currentTarget)"')
+    expect(app).toContain("api(`/lists/${purgeListTarget.value.id}/purge`, { method: 'DELETE' })")
+    expect(app).not.toMatch(/list\.is_inbox[^\n]*openPurgeList/)
+  })
+
+  it('uses a guarded custom confirmation that keeps failures visible', () => {
+    expect(app).toContain('将永久删除其中的全部任务、子任务、重复规则、附件及实体文件。此操作无法撤销。')
+    expect(app).toContain('ref="purgeCancelButton"')
+    expect(app).toContain('purgeCancelButton.value?.focus()')
+    expect(app).toContain('@keydown="handlePurgeDialogKeydown"')
+    expect(app).toContain("if (event.key === 'Escape' && !purgeListSubmitting.value) closePurgeList()")
+    expect(app).toContain('if (purgeListSubmitting.value) return')
+    expect(app).toContain('purgeListError.value = reason instanceof Error ? reason.message : \'永久删除失败\'')
+    expect(app).toContain(':disabled="purgeListSubmitting"')
+    expect(app).toContain('role="alert" class="purge-list-error"')
+    expect(css).toContain('.purge-list-dialog button{min-height:44px;')
+  })
+
+  it('removes a purged row and persists inbox navigation after archiving the current list', () => {
+    expect(app).toContain('archivedLists.value = archivedLists.value.filter((list) => list.id !== purgedId)')
+    expect(app).toContain("const wasCurrentList = activeView.value === 'tasks' && activeList.value === item.id")
+    expect(app).toContain('if (wasCurrentList)')
+    expect(app).toContain("await switchView('tasks', inboxId)")
+    expect(app).toContain('selectedTask.value = null')
+    expect(app).toContain("writeStoredNavigation(window.localStorage, NAVIGATION_STORAGE_KEY, view, activeList.value)")
+  })
 })