Inserts a new PlanProductsSheet as step 1 of the planning flow.
Users see their current products as a multi-select checklist (all
selected by default) before choosing the planning mode and dates.
- Empty state explains the benefit and offers "Add products" CTA
while always allowing "Plan without products" to skip
- Selected product IDs flow through PlanMenuSheet →
PlanDatePickerSheet → MenuService.generateForDates → backend
- Backend: added ProductIDs field to generate-menu request body;
uses ListForPromptByIDs when set, ListForPrompt otherwise
- Backend: added Repository.ListForPromptByIDs (filtered SQL query)
- All 12 ARB locale files updated with planProducts* keys
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Fix _isoWeek: correct Sunday shift (-3 instead of +4), use floor+1 formula,
match jan1 timezone to input — planned meals now appear correctly for UTC+ users
- Add kPlanningHorizonDays=28 / kMenuPastWeeks=8 constants; apply to home date
strip, plan picker (strip + calendar), and menu screen prev/next navigation
- Menu screen week nav: disable arrows at min/max limits using compareTo
- Home screen: replace _GenerateActionCard/_WeekPlannedChip conditional with
always-visible _FutureDayPlanButton(dateString); show _DayPlannedChip only
when the specific day has planned meals; remove standalone _PlanMenuButton
- _FutureDayPlanButton uses selected date as defaultStart instead of lastPlanned+1
- Rename weekPlannedLabel -> dayPlannedLabel across all 12 locales
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>