docs: start milestone v1.1 Calendar & Polish

.planning/PROJECT.md

@@ -8,6 +8,18 @@ A local-first Flutter app for organizing household chores, built for personal/co
 
 Users can see what needs doing today, mark it done, and trust the app to schedule the next occurrence — without thinking about it.
 
+## Current Milestone: v1.1 Calendar & Polish
+
+**Goal:** Replace the stacked daily plan with a horizontal calendar strip UI, add task completion history, and task sorting options.
+
+**Target features:**
+- Horizontal date-strip calendar with day abbreviation + date number cards
+- Month color shift for visual boundary between months
+- Day-selection shows tasks in a list below the strip
+- Undone tasks carry over to the next day with color accent (overdue marker)
+- Task completion history log
+- Additional task sorting (alphabetical, interval, effort)
+
 ## Requirements
 
 ### Validated
@@ -23,11 +35,13 @@ Users can see what needs doing today, mark it done, and trust the app to schedul
 
 ### Active
 
-- [ ] Data export/import (JSON)
-- [ ] English localization
-- [ ] Room cover photos from camera or gallery
+- [ ] Horizontal calendar strip home screen (replacing stacked daily plan)
+- [ ] Overdue task carry-over with visual accent
 - [ ] Task completion history log
 - [ ] Additional task sorting (alphabetical, interval, effort)
+- [ ] Data export/import (JSON) — deferred
+- [ ] English localization — deferred
+- [ ] Room cover photos from camera or gallery — deferred
 
 ### Out of Scope
 
@@ -79,4 +93,4 @@ Users can see what needs doing today, mark it done, and trust the app to schedul
 | Manual StreamProvider for drift types | riverpod_generator throws InvalidTypeException with drift Task type | Revisit — may be fixed in future riverpod_generator versions |
 
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-*Last updated: 2026-03-16 after v1.0 milestone*
+*Last updated: 2026-03-16 after v1.1 milestone started*