docs(03): create phase plan for daily plan and cleanliness

.planning/ROADMAP.md

@@ -64,7 +64,11 @@ Plans:
   4. A progress indicator shows completed vs total tasks for today (e.g., "5 von 12 erledigt")
   5. When no tasks are due, an encouraging "all clear" empty state is shown instead of an empty list
   6. Each room card displays a cleanliness indicator derived from the ratio of overdue tasks to total tasks in that room
-**Plans**: TBD
+**Plans**: 3 plans
+Plans:
+- [ ] 03-01-PLAN.md — Data layer: DailyPlanDao with cross-room join query, providers, and localization keys
+- [ ] 03-02-PLAN.md — Daily plan UI: HomeScreen rewrite with progress card, task sections, animated completion, empty state
+- [ ] 03-03-PLAN.md — Visual and functional verification checkpoint
 
 ### Phase 4: Notifications
 **Goal**: Users receive a daily summary notification reminding them of today's task count, and can control notification behavior from settings
@@ -80,7 +84,7 @@ Plans:
 ## Progress
 
 **Execution Order:**
-Phases execute in numeric order: 1 → 2 → 3 → 4
+Phases execute in numeric order: 1 -> 2 -> 3 -> 4
 
 Note: Phase 4 depends on Phase 2 (needs scheduling data) but can be developed in parallel with Phase 3.
 
@@ -88,5 +92,5 @@ Note: Phase 4 depends on Phase 2 (needs scheduling data) but can be developed in
 |-------|----------------|--------|-----------|
 | 1. Foundation | 2/2 | Complete    | 2026-03-15 |
 | 2. Rooms and Tasks | 5/5 | Complete    | 2026-03-15 |
-| 3. Daily Plan and Cleanliness | 0/TBD | Not started | - |
+| 3. Daily Plan and Cleanliness | 0/3 | In progress | - |
 | 4. Notifications | 0/TBD | Not started | - |