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+# Phase 7: Task Sorting - Context
+
+**Gathered:** 2026-03-16
+**Status:** Ready for planning
+
+<domain>
+## Phase Boundary
+
+Add sort controls to task list screens so users can reorder tasks by name (alphabetical), frequency interval, or effort level. The sort preference persists across app restarts. Requirements: SORT-01, SORT-02, SORT-03.
+
+</domain>
+
+<decisions>
+## Implementation Decisions
+
+### Sort control widget
+- Dropdown button in the AppBar, right side (trailing actions position)
+- When collapsed, shows the current sort name as text (e.g., "A-Z", "Intervall", "Aufwand")
+- Expands to show the 3 sort options as a standard dropdown menu
+
+### Sort option labels
+- Claude's discretion — pick German labels that fit the app's existing localization style (concise but clear)
+
+### Sort scope
+- One global sort preference applies to all task list screens
+- Same dropdown appears in both the home screen (CalendarDayList) and per-room (TaskListScreen) AppBars
+
+### Persistence
+- Store the sort preference in SharedPreferences (simple key-value for a single enum)
+- No database schema change needed
+- Persists across app restarts per success criteria
+
+### Default sort
+- Claude's discretion — pick the least disruptive default (likely alphabetical to match current CalendarDayList behavior)
+
+### Claude's Discretion
+- Sort option label text (German, concise)
+- Default sort order (recommend alphabetical for continuity)
+- Whether TaskListScreen also gets the dropdown (recommend yes for consistency with global setting, since the success criteria says "task list screens" plural)
+- Sort direction (always ascending — A-Z, daily→yearly, low→high — no toggle needed for MVP)
+- Dropdown styling (Material 3 DropdownButton or PopupMenuButton variant)
+- Sort icon or visual indicator in the dropdown
+- How overdue section interacts with sorting (recommend: overdue section stays pinned at top regardless of sort, only day tasks are sorted)
+
+</decisions>
+
+<specifics>
+## Specific Ideas
+
+No specific requirements — open to standard approaches that match existing app patterns.
+
+</specifics>
+
+<code_context>
+## Existing Code Insights
+
+### Reusable Assets
+- `EffortLevel` enum (low/medium/high) with `.index` for ordering — directly usable for effort sort
+- `IntervalType` enum with `.index` ordered roughly by frequency (daily=0 through yearly=7) — usable for interval sort
+- `FrequencyInterval.presets` list ordered most-frequent to least — reference for sort order
+- `Task.name` field — direct alphabetical sort target
+- `CalendarDayList` and `TaskListScreen` — the two list widgets that need sort integration
+- `AppLocalizations` + `.arb` files — existing German localization pipeline
+
+### Established Patterns
+- Manual `StreamProvider.autoDispose` for drift types (riverpod_generator issue) — sort provider follows same pattern
+- `calendarDayProvider` watches `selectedDateProvider` — can also watch a sort preference provider
+- `tasksInRoomProvider` family provider — can be extended with sort parameter or read global sort
+- Feature folder structure: `features/home/`, `features/tasks/` — sort logic may live in a shared location or in each feature
+
+### Integration Points
+- `HomeScreen` AppBar — add dropdown to trailing actions
+- `TaskListScreen` AppBar — already has edit/delete actions; add dropdown alongside
+- `CalendarDao.watchTasksForDate()` — currently sorts alphabetically; needs sort-aware query or in-memory sort
+- `TasksDao.watchTasksInRoom()` — currently sorts by nextDueDate; needs sort-aware query or in-memory sort
+- `SharedPreferences` — not yet used in the app; needs package addition and provider setup
+- `app_de.arb` — add localization strings for sort labels
+
+</code_context>
+
+<deferred>
+## Deferred Ideas
+
+None — discussion stayed within phase scope
+
+</deferred>
+
+---
+
+*Phase: 07-task-sorting*
+*Context gathered: 2026-03-16*