chore: complete v1.1 milestone

Archive v1.1 Calendar & Polish milestone artifacts (roadmap,
requirements, phase directories) to milestones/. Evolve PROJECT.md
with validated requirements and new key decisions. Update
RETROSPECTIVE.md with v1.1 section and cross-milestone trends.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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2026-03-16 23:32:04 +01:00
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---
phase: 07-task-sorting
verified: 2026-03-16T22:00:00Z
status: passed
score: 9/9 must-haves verified
re_verification: false
---
# Phase 7: Task Sorting Verification Report
**Phase Goal:** Users can reorder task lists by the dimension most useful to them — name, how often the task recurs, or how much effort it requires
**Verified:** 2026-03-16T22:00:00Z
**Status:** passed
**Re-verification:** No — initial verification
---
## Goal Achievement
### Observable Truths
| # | Truth | Status | Evidence |
|----|--------------------------------------------------------------------------------|------------|------------------------------------------------------------------------------------------------------|
| 1 | Sort preference persists across app restarts | VERIFIED | `SortPreferenceNotifier._loadPersisted()` reads `SharedPreferences.getString('task_sort_option')` on build; 2 restart-recovery tests pass |
| 2 | CalendarDayList tasks are sorted according to the active sort preference | VERIFIED | `calendarDayProvider` calls `ref.watch(sortPreferenceProvider)` and applies `_sortTasks(dayTasks, sortOption)` before returning `CalendarDayState` |
| 3 | TaskListScreen tasks are sorted according to the active sort preference | VERIFIED | `tasksInRoomProvider` calls `ref.watch(sortPreferenceProvider)` and applies `stream.map((tasks) => _sortTasksRaw(tasks, sortOption))` |
| 4 | Default sort is alphabetical (matches current CalendarDayList behavior) | VERIFIED | `SortPreferenceNotifier.build()` returns `TaskSortOption.alphabetical` synchronously; test "build() returns default state of alphabetical" confirms |
| 5 | A sort dropdown is visible in the HomeScreen AppBar showing the current label | VERIFIED | `HomeScreen.build()` returns `Scaffold(appBar: AppBar(actions: const [SortDropdown()]))` — wired and rendered |
| 6 | A sort dropdown is visible in the TaskListScreen AppBar | VERIFIED | `TaskListScreen.build()` AppBar actions list: `[const SortDropdown(), edit IconButton, delete IconButton]` |
| 7 | Tapping the dropdown shows three options: A-Z, Intervall, Aufwand | VERIFIED | `SortDropdown` builds `PopupMenuButton` from `TaskSortOption.values` (3 items), labels map to `l10n.sortAlphabetical/sortInterval/sortEffort` |
| 8 | Selecting a sort option updates the task list order immediately | VERIFIED | `onSelected` calls `ref.read(sortPreferenceProvider.notifier).setSortOption(value)`; providers watch `sortPreferenceProvider` and rebuild reactively |
| 9 | The sort preference persists across screen navigations and app restarts | VERIFIED | `@Riverpod(keepAlive: true)` prevents disposal during navigation; SharedPreferences stores and reloads value |
**Score:** 9/9 truths verified
---
## Required Artifacts
### Plan 07-01 Artifacts
| Artifact | Expected | Status | Details |
|----------|----------|--------|---------|
| `lib/features/tasks/domain/task_sort_option.dart` | `TaskSortOption` enum with alphabetical, interval, effort | VERIFIED | Exactly 3 values, comments match intent. No stubs. |
| `lib/features/tasks/presentation/sort_preference_notifier.dart` | `SortPreferenceNotifier` with SharedPreferences persistence | VERIFIED | `build()` returns `alphabetical` synchronously, `_loadPersisted()` async, `setSortOption()` sets state + persists. Pattern matches `ThemeNotifier`. |
| `lib/features/tasks/presentation/sort_preference_notifier.g.dart` | Generated Riverpod provider file | VERIFIED | Generated correctly; `sortPreferenceProvider` declared as `SortPreferenceNotifierProvider._()` with `isAutoDispose: false` (keepAlive). |
| `lib/features/home/presentation/calendar_providers.dart` | `calendarDayProvider` sorts `dayTasks` by active sort preference | VERIFIED | `ref.watch(sortPreferenceProvider)` present. `_sortTasks()` helper implements all 3 sort modes. `overdueTasks` intentionally unsorted. |
| `lib/features/tasks/presentation/task_providers.dart` | `tasksInRoomProvider` sorts tasks by active sort preference | VERIFIED | `ref.watch(sortPreferenceProvider)` present. `_sortTasksRaw()` helper + `stream.map()` applied correctly. |
| `test/features/tasks/presentation/sort_preference_notifier_test.dart` | Unit tests for sort preference persistence and default | VERIFIED | 7 tests: default alphabetical, setSortOption interval, setSortOption effort, persist to SharedPreferences, restart recovery (effort), restart recovery (interval), unknown value fallback. |
### Plan 07-02 Artifacts
| Artifact | Expected | Status | Details |
|----------|----------|--------|---------|
| `lib/features/tasks/presentation/sort_dropdown.dart` | Reusable `SortDropdown` `ConsumerWidget` | VERIFIED | `ConsumerWidget`, `PopupMenuButton<TaskSortOption>`, Opacity check mark pattern, `ref.watch` for display, `ref.read` for mutation, `_label()` helper. |
| `lib/features/home/presentation/home_screen.dart` | HomeScreen with AppBar containing `SortDropdown` | VERIFIED | `Scaffold(appBar: AppBar(title: Text(l10n.tabHome), actions: const [SortDropdown()]))`. Existing Stack body preserved. |
| `lib/features/tasks/presentation/task_list_screen.dart` | TaskListScreen AppBar with `SortDropdown` before edit/delete | VERIFIED | `actions: [const SortDropdown(), IconButton(edit), IconButton(delete)]`. Correct order. |
---
## Key Link Verification
### Plan 07-01 Key Links
| From | To | Via | Status | Details |
|------|----|-----|--------|---------|
| `calendar_providers.dart` | `sortPreferenceProvider` | `ref.watch(sortPreferenceProvider)` in `calendarDayProvider` | WIRED | Line 77: `final sortOption = ref.watch(sortPreferenceProvider);`. Applied at line 101: `dayTasks: _sortTasks(dayTasks, sortOption)`. |
| `task_providers.dart` | `sortPreferenceProvider` | `ref.watch(sortPreferenceProvider)` in `tasksInRoomProvider` | WIRED | Line 43: `final sortOption = ref.watch(sortPreferenceProvider);`. Applied at lines 44-46 via `stream.map`. |
### Plan 07-02 Key Links
| From | To | Via | Status | Details |
|------|----|-----|--------|---------|
| `sort_dropdown.dart` | `sortPreferenceProvider` | `ref.watch` for display, `ref.read` for mutation | WIRED | Line 21: `ref.watch(sortPreferenceProvider)`. Line 27: `ref.read(sortPreferenceProvider.notifier).setSortOption(value)`. |
| `home_screen.dart` | `sort_dropdown.dart` | `SortDropdown` widget in AppBar actions | WIRED | Import on line 7. Used in `AppBar(actions: const [SortDropdown()])` on line 37. |
| `task_list_screen.dart` | `sort_dropdown.dart` | `SortDropdown` widget in AppBar actions | WIRED | Import on line 7. Used in `actions: [const SortDropdown(), ...]` on line 31. |
---
## Requirements Coverage
| Requirement | Source Plan | Description | Status | Evidence |
|-------------|-------------|-------------|--------|----------|
| SORT-01 | 07-01, 07-02 | User can sort tasks alphabetically | SATISFIED | `TaskSortOption.alphabetical` is the default. `_sortTasks()` and `_sortTasksRaw()` implement case-insensitive A-Z sort. `SortDropdown` displays "AZ" label (l10n). |
| SORT-02 | 07-01, 07-02 | User can sort tasks by frequency interval | SATISFIED | `TaskSortOption.interval` sort implemented: `intervalType.index` ascending with `intervalDays` tiebreaker. Displayed as "Intervall" in `SortDropdown`. |
| SORT-03 | 07-01, 07-02 | User can sort tasks by effort level | SATISFIED | `TaskSortOption.effort` sort implemented: `effortLevel.index` ascending (low=0, medium=1, high=2). Displayed as "Aufwand" in `SortDropdown`. |
No orphaned requirements. All three SORT requirements are claimed by both plans and fully implemented.
---
## Anti-Patterns Found
None. All seven implementation files scanned — no TODO, FIXME, XXX, HACK, PLACEHOLDER, return null, return {}, return [], or empty arrow functions found.
---
## Human Verification Required
### 1. Visual check: Sort dropdown appearance in AppBar
**Test:** Launch the app, navigate to HomeScreen. Verify the AppBar shows a sort icon (Icons.sort) followed by the current sort label text "AZ".
**Expected:** Sort icon and "AZ" text visible in the top-right AppBar area.
**Why human:** Widget rendering and visual layout cannot be verified programmatically.
### 2. Popup menu interaction: Check marks on active option
**Test:** Tap the sort dropdown, verify three items appear with a check mark next to the currently selected option and no check mark on the other two.
**Expected:** Check mark visible on "AZ" (default), invisible (but space-preserving) on "Intervall" and "Aufwand".
**Why human:** Opacity(0) vs Opacity(1) rendering and visual alignment cannot be verified with grep.
### 3. Reactive reorder on selection
**Test:** With tasks loaded in HomeScreen, tap the sort dropdown and select "Aufwand". Verify the task list reorders immediately without a page reload.
**Expected:** Task list updates instantly, sorted low-effort first.
**Why human:** Real-time Riverpod reactive rebuild requires a running app to observe.
### 4. Cross-screen persistence of sort preference
**Test:** Select "Intervall" in HomeScreen, then navigate to a room's TaskListScreen. Verify the sort dropdown there also shows "Intervall".
**Expected:** Sort preference is shared across screens (same `sortPreferenceProvider`, `keepAlive: true`).
**Why human:** Cross-screen navigation state cannot be verified statically.
---
## Gaps Summary
None. All 9 observable truths verified. All artifacts exist, are substantive, and are correctly wired. All 3 requirements (SORT-01, SORT-02, SORT-03) are fully satisfied. All 5 commits (a9f2983, 13c7d62, 3697e4e, e5eccb7, a3e4d02) confirmed present in git log. No anti-patterns detected in implementation files.
The phase delivers its stated goal: users can reorder task lists by name (AZ), frequency interval, or effort level via a persistent, reactive sort preference accessible from both HomeScreen and TaskListScreen AppBars.
---
_Verified: 2026-03-16T22:00:00Z_
_Verifier: Claude (gsd-verifier)_