[ISSUE-030] Meal Plan Mobile Interface

## Phase 5: AI Infrastructure & Meal Planning (Weeks 7-9)

### Description
Create weekly meal plan view
Implement day-by-day view
Create meal cards with recipe info
Add meal status tracking (planned, prepped, cooked, eaten, skipped)
Show AI reasoning/explanation

### Dependencies
- #006
- #026

### Can Work in Parallel With
- #029
- #031

Start by reviewing dependencies #006 and #026, then inspect the existing mobile interface and meal-related entry points. Done should include weekly and day-by-day views, recipe meal cards, status tracking for all listed states, and an AI reasoning or explanation display.

Written by the indexing model from the issue text.