# Task 3a - Color and Back Button Fix Agent

## Task
Fix colors (blue→orange) and add back buttons to EducationModule, MessagesModule, MedicineModule

## Work Completed

### EducationModule.tsx
- Replaced ALL blue/cyan/violet/purple decorative colors with orange/amber equivalents
- Added `setCurrentSection` to useAppStore destructuring
- Added back button (ArrowLeft icon) to main view header
- Changes span: classOptions gradients, quiz views, result views, wizard views, main header, quick start button

### MessagesModule.tsx
- Replaced bg-violet-500 → bg-amber-500 in avatar colors
- Replaced bg-cyan-500 → bg-orange-600 in avatar colors
- Added `setCurrentSection` to useAppStore destructuring
- Added back button (ArrowLeft icon) to conversation list header

### MedicineModule.tsx
- Replaced bg-blue-100 → bg-orange-100 in "Stay Hydrated" health tip
- Replaced bg-violet-100 → bg-amber-100 in "Proper Sleep" health tip
- Replaced bg-blue-100/text-blue-600 → bg-orange-100/text-orange-600 in upload prescription card
- Back button already existed - no change needed

## Verification
- grep for blue-|cyan-|violet-|purple-|sky- returns 0 matches in all three files
- ESLint passes (only pre-existing errors in server-keepalive.js)
- Dev server compiles cleanly
